KB introduction
概述Briefintroductionppt课件
2020/1/17
3. 酸效应(Solubility and pH)
溶液酸度对沉淀溶解度的影响称为～
讨论： 酸度对强酸型沉淀物的溶解度影响不
大， 但对弱酸型或多元酸型沉淀物的溶解
度影响较大 pH↓，[H+]↑，S↑
注： 因为酸度变化，构晶离子会与溶液中的H+或
OH-反应，降低了构晶离子的浓度，使沉淀溶解 平衡移向溶解，从而使沉淀溶解度增大
2020/1/17
图示 溶液酸度对CaC2O4溶解度的影响
CaC2O4
C2O42- + H+ HC2O4-+H+
Ca2+ + C2O42-
HC2O4H2C2O4
2020/1/17
1
C 2O42
[C2O42
]'
[C2O42
C2O42
]
[C2O42
] C2O42
S'
K
' SP
[Ca 2
][C2O42
]'
[Ca2 ][C2O42 ]
C2O42
K SP
C2O42
K SP
C 2O42
S'2
2020/1/17
Ba2与SO42等量反应的BaSO4沉淀溶解度为 S K SP 1.11010 1.0105 mol / L
200ml溶液中BaSO4沉淀的溶解损失为 1.0105 233.4 200 0.5mg 0.2mg
2020/1/17
kb 剑桥英语 词汇量
kb 剑桥英语词汇量The acquisition of vocabulary is a fundamental aspect of language learning, and it is particularly emphasized in the context of English as taught by the Cambridge system. The Cambridge English approach is renowned for its structured and comprehensive methodology, which is designed to incrementally build a learner's vocabulary from basic to advanced levels.Vocabulary size is often a reflection of language proficiency. Research suggests that a native English speaker entering university education will have a vocabulary size of approximately 15,000 to 20,000 word families. In contrast, a non-native English speaker may know 2,500 to 9,000 word families, which is sufficient for social and professional interactions.Cambridge English, as part of its educational offerings, provides learners with a robust framework to expand their vocabulary. This framework is aligned with the Common European Framework of Reference for Languages (CEFR), ensuring that learners can measure their progress against an internationally recognized standard.The vocabulary introduced at each level is carefully selected based on frequency, relevance, and the ability to enable learners to express themselves effectively in various contexts. For instance, at the A1 level, learners are introduced to basic words necessary for everyday interactions, such as greetings, numbers, and simple verbs. As learners progress to higher levels, the complexity and specificity of the vocabulary increase, allowing for more nuanced expression and comprehension.One of the key strategies employed by Cambridge English is the use of thematic clusters. This involves grouping words by common themes, such as work, education, or travel, which not only aids in memorization but also in practical application. By learning words in context, students can more easily recall and use them in appropriate situations.Another important aspect of the Cambridge vocabulary learning process is the use of collocations. Collocations are words that frequently go together, such as "make adecision" or "catch a cold." Understanding these common pairings is crucial for sounding natural in English. Cambridge materials often include exercises focused on collocations, helping learners to use words in a way that is both correct and idiomatic.Cambridge English also emphasizes the importance of understanding different word forms and derivations. For example, learners are taught to recognize that from the verb "to decide," one can derive the noun "decision" and the adjective "decisive." This understanding of morphology aids in expanding one's vocabulary efficiently, as it allows learners to generate multiple related words from a single root.In addition to the core vocabulary provided at each CEFR level, Cambridge English encourages learners to engage with authentic materials, such as newspapers, literature, and broadcasts. This exposure to real-world language use enables learners to encounter words in context, which can significantly enhance their vocabulary retention and usage.To facilitate continuous learning, Cambridge English provides a plethora of resources, including dictionaries, mobile apps, and online platforms. These tools are designed to support learners in their vocabulary acquisition journey, providing them with opportunities to practice and review words regularly.In conclusion, the Cambridge English vocabulary learning system is a comprehensive approach that combines structured learning with practical application. It is designed to equip learners with the vocabulary needed to communicate effectively in English, catering to a range of proficiency levels and learning styles. Through consistent practice and exposure to a variety of resources, learners can achieve a significant expansion of their vocabulary, paving the way for success in both academic and professional arenas. 。
kb1知识点总结
kb1知识点总结IntroductionKB1, also known as Knowledge Base 1, is a repository of information and knowledge that aims to provide comprehensive overviews of various topics and subjects. It is designed to be an authoritative source of information and a valuable resource for both experts and novices. In this summary, we will be exploring the key knowledge points covered in KB1 and their significance in different fields.Key Knowledge Points1. Science and TechnologyOne of the key knowledge points covered in KB1 is science and technology. This section covers a wide range of topics, including fundamental scientific principles, recent technological advancements, and their applications in different industries. It provides an in-depth understanding of various scientific disciplines such as physics, chemistry, biology, and engineering. Furthermore, it discusses emerging technologies such as artificial intelligence, machine learning, quantum computing, and biotechnology, highlighting their potential impact on society and the economy.2. History and CultureKB1 also delves into history and culture, providing detailed insights into the historical events, cultural traditions, and societal developments that have shaped the world we live in today. It covers significant historical periods, civilizations, and influential figures, shedding light on their contributions to human progress and the evolution of global cultures. Moreover, it explores various cultural practices, art forms, and traditions, allowing readers to gain a deeper appreciation for the diversity and richness of human heritage.3. Business and EconomicsIn the realm of business and economics, KB1 offers a comprehensive overview of key concepts, principles, and practices that drive the global economy. It delves into topics such as market dynamics, supply and demand, business strategy, financial management, and entrepreneurship, providing valuable insights for professionals and aspiring entrepreneurs. Additionally, it discusses macroeconomic trends, fiscal policies, and international trade, offering perspectives on the interconnectedness of global markets and the challenges faced by businesses in a rapidly changing economic landscape.4. Health and MedicineKB1 also covers a wide array of knowledge points related to health and medicine. It provides detailed information on human anatomy, physiology, diseases, treatments, and preventive healthcare measures. This section also explores the latest medical research, breakthroughs in healthcare technology, and the ethical considerations surroundingmedical advancements. Moreover, it addresses public health issues, healthcare disparities, and the impact of lifestyle choices on overall well-being, making it a valuable resource for healthcare professionals and individuals seeking to improve their health.5. Environment and SustainabilityThe section on environment and sustainability in KB1 discusses key knowledge points related to environmental science, conservation, and sustainable resource management. It addresses pressing environmental challenges such as climate change, deforestation, pollution, and biodiversity loss, highlighting the importance of sustainable practices in mitigating these issues. Furthermore, it explores renewable energy sources, environmental policies, and the role of businesses and governments in promoting environmental sustainability, offering insights into building a more sustainable future for the planet.SignificanceThe comprehensive coverage of knowledge points in KB1 is significant for several reasons. Firstly, it serves as a valuable educational resource for individuals seeking to expand their knowledge and understanding of various subjects. Whether it is a student researching a specific topic or a professional seeking to stay abreast of the latest developments in their field, KB1 offers a wealth of information to support their learning and growth. Furthermore, the detailed insights provided by KB1 can facilitate informed decision-making in different domains. Whether it is a business leader strategizing for the future, a policymaker shaping public initiatives, or an individual making personal choices, the knowledge points covered in KB1 can offer valuable perspectives and data-driven insights. Moreover, the comprehensive coverage of knowledge points in KB1 can help bridge knowledge gaps and promote interdisciplinary learning. By providing a holistic understanding of diverse subjects, it can foster cross-pollination of ideas, fuel innovation, and drive collaboration across different domains.ConclusionKB1 is a valuable repository of knowledge that covers a wide range of topics, from science and technology to history and culture, business and economics, health and medicine, and environment and sustainability. Its comprehensive coverage of knowledge points is significant for education, decision-making, and interdisciplinary learning, making it a valuable resource for individuals and professionals across different fields. Whether it is gaining insights into emerging technologies, understanding historical events, or addressing pressing environmental challenges, KB1 serves as an authoritative source of information and a catalyst for informed action.。
KB讲义
Unit1 Hello！你好！一重点单词blue 蓝色orange橘色yellow 黄色red 红色green 绿色purple 紫色pink 粉色one 1 two 2 three3 four4 five 5 six 6 seven 7 eight 8 nine9 ten10字母：Aa Bb Cc Dd Ee Ff Gg Hh Ii Jj Kk Ll Mm Nn Oo Pp Qq 一、人名人名的首字母需要大写：Mr Star Mrs Star Suzy Stella Simon Marie Monty Maskman二、重点句型1.What’s your name? 你的名字是什么？I’m Suzy. 我是Suzy。
2.How old are you？你几岁了？I’m 3. 我3岁了。
3.Hello！你好！Hi！你好！Goodbye！再见！三、语音知识[s] 是清辅音，发音时声带不动。
舌尖前伸靠近上齿龈，让气流从舌前端和上下齿隙缝中挤出时摩擦成音。
Star Stella Simon Suzy四、补充知识点1、歌曲《Sing a rainbow》rainbow彩虹2、Sit down，please！请坐！习题一、左邻右舍(1)____Bb ____ (2)_____Hh____ (3)Ff_____ ____ (4)Jj____ _____ (5)____ ___Nn(6)___ ____ Qq (7)____ Kk____ (8)Dd____ _____ (9)____ Ii____ (10)____ ___Gg二、单词填空。
o__e(1) t__o(2) r__d(红色) s__x(6) gr__ __n (绿色) bl__ __(蓝色) p__ __pl__(紫色) ye__ __ ow (黄色) __ rang__(橘色) p__nk(粉色) t_n(10) s__v__n (7) f__ve(5)三、选择题1.—Nice to see you. —__________.A.Nice to see you .B.I’m Ok.C. Nice to see you ,too.2.—How old are you? —_________.A. I’m fine.B. I’m five.C. /3. —What’s your name? —______.A. One .B. I’m Suzy.C. I’m five.4. —How are you. —_______.A. Im fine.B. Im five.C. one5.Where are you _____?A. fromB. toC. at6.What _____ are you in?A. howB. classC. to四、连线What’s your name? 你几岁了？How old are you? 我8岁了。
剑桥国际少儿英语KB教学大纲完整版
剑桥国际少儿英语K B教学大纲集团标准化办公室：[VV986T-J682P28-JP266L8-68PNN]剑桥国际少儿英语KB3 教学计划 9单元，共32课时每单元平均三课时《剑桥国际少儿英语》是一套专为5-12岁非英语国家少年儿童编写的零起点英语教材。
整套教材共分六个级别，全面培养儿童的听，说，读，写四大基本语言技能。
本套书的语言大纲是根据学生的年龄特点和语言水平精心设计的。
通过语境讲授语言，创造大量的机会去熟悉语言的发音和意思。
语言点会在不同的单元里循环复现，学生得以在各种不同的语境下练习这些语言点并把学到的语言转化为自己的语言来表达。
整套教材的内容围绕着Star 一家人和他们的朋友及玩具展开。
活泼可爱的人物形象贯穿始终，语言有了语境，使语言学习成为有意义，有目的的行动，并能够有效地提升学生的学习兴趣和积极性。
本套教材由学生包，教师包和测试包组成。
学生包包括学生用书，活动用书，学生用盘，剑桥少儿英语考级词汇卡，互动DVD及指导用书；教师包包括教师用书，教师资源包，教师资源包用盘，教师用带，故事卡片和单词卡片；测试包包括测试用书，测试用盘和自我评估手册。
这是一套教师易教，学生易学的教材。
“唤起学生的兴趣和点燃学生的热情是使教学变得容易而且成功的必由之路。
”----Tyron Edwards希望各位老师充分利用本套书丰富的教学资源，让学生在创造性表达和学习知识中获得乐趣，习得语言，从而爱上英语。
请各位老师根据我们学校的实际教学要求（课时所限，我们对教学内容进行了删减），以新大纲为基础，一定参照教师用书进行备课。
新的教案要求如下：（教师用书上有每页书具体的教学方法指导）1.教学内容2.教学目标3.教学方法4.教学重点和难点5.教学准备6.教学过程：Step1：导课Step2：新课呈现Step3：操练7. 总结课。
剑桥国际少儿英语KB5教学重点(大纲)
Introduction&unit1-2
单元
重点语言
重点词汇语音ຫໍສະໝຸດ IntroductionWelcome to our ezine
一般现在时；like+doing; would like;疑问词，简短回答一般现在时和现在进行时变疑问句及其简短回答。
学科(geography, science…)，形容词，数字；ezine ; internet; dictionary; magazine; rock; dinosaur; skeletion; ancient; language
单词和音节的重读和弱读
押韵词，含有一个两个三个四个音节的词
Unit1
Time for television
一般现在时，一般过去时的疑问句和肯定句，形容词比较级和最高级，时间相关说法。
O’clock; past; quarter; half; cartoon; weather; documentary; comedy; news; quiz show; series; music videos;
Interesting; exciting; boring; wait; thief;
[?]
Unit2
People at work
计算，打算，预计: going to (肯定否定疑问)疑问词：where when what time…
各种职业：nurse；firefighter; teacher; dentist; driver; dancer; skater; farmer; tennis player; runner; swimmer; pilot; police; journalist; mechanic; scientist; show good rules;
KB教材介绍 2012.7.1
今晚全付或预付学费赠送价值161元大礼包！
活动最后一天！
600元/三个月 学生包（学生用书、活动用书、CD、 DVD、剑桥少儿英语考级词汇卡） 亲子学习手册 测试包
刘莉 TEL：010-88819787
我们学校的优势：
小班化教学 多媒体互动教学
专业的课程体系 多种辅助教学服务：周计划、每周学习 反馈表、每月电话教学、每学期汇报课
话题大纲
Kid’s Box & CYLE
语法大纲
Kid’s Box & CYLE
Vocabulary KB1 Unit Structure Cycle
Sentence Structure KB1 Unit Structure Cycle
Speaking Cycle KB1 Unit Structure
startermoverkb3readingprogressionreadinglearningkb6unitstructurekb6unitstructurekb6unitstructurekb6unitstructurekb56框架总结听说读写逐一突破每个对开页都完整涵盖听说读写四项技能的训练第一个对开页注重集中突破第二个对开页注重集中在重点语法情景下介绍并运用第三个对开页综合全方位进行强化第四个对开页进行听的导入读为辅助读的导入听为辅助重点语法重点词汇重点词汇及语法相关话题的拓展及语言的运用generalreview零起点导入家庭式人物设计双重故事教学法主题式情景化教学multiintelligencestheoryclilselfassessment循序渐进梯度合理语言点复现性强保证孩子的学习效果互动dvd互动网络平台教师包学生包测试包配套开发产品剑桥国际少儿英语明星教师大赛starteachers剑桥大学为期两周的教师培训全程免费收益学生家长教师学校?素质教育与应试教育?兴趣与性格培养?亲子教育?参与学习过程?减轻备课负担?师训与认证?网络支持与教学管理?有利招生?教学水准提升?网络及时反馈?见证成长?品牌建设
剑桥国际少儿英语kb4 Introductory Unit文本
Introductory Unit Hello there!Words: teacher doctor dentist farmer detective driver always 老师医生牙医农民侦探司机总是sometimes never routine picnic somebody有时从不惯例野餐有人，某人Sentences: I want to be a detective.Grandpa Star's older than Mr Star.The dog's bigger than the cat.Uncle Fred's funnier than Aunt May.She's got straight blonde hair and she wears glasses.UncleFred has to work in the morning,the afternoon and the evening.He sometimes has to get up at 5 o'clock.She always has to work at the weekend.He never has to do his homework on Saturday.MR STAR: Hello there, everybody. We're the Stars. 大家好！我们是Star一家人。
STELLA: Hello. I'm Stella and I'm ten. This is my Aunt May. She's a doctor, and I want to be a doctor too.你好。
我叫Stella,十岁。
这是我的阿姨May。
她是一个医生，我也想成为一名医生。
SIMON: Hi. I'm Simon and I'm nine. This is my Uncle Fred. He's my mum's brother. He's a farmer. This is my favourite comic, 'Lock and Key'. It's about two detectives. I want to be a detective.嗨。
剑桥英语kb教材
剑桥英语KB教材：探索英语学习的全新维度In the realm of English language education, the Cambridge English KB series of textbooks has established itself as a beacon of quality and innovation. Designed to cater to the diverse needs of learners, this comprehensive curriculum offers a rich and engaging platform for developing proficiency in the global language. The KB textbooks, through their meticulous attention to detail and innovative teaching methods, provide a dynamic and interactive learning experience that is both effective and enjoyable.The KB series, renowned for its rigorous standards and modern approach, covers a broad range of language skills, from fundamental grammar and vocabulary to advanced reading and writing abilities. The textbooks are structured in a logical and sequential manner, allowing learners to gradually build upon their existing knowledge while challenging them with new and exciting material. This progressive approach ensures that learners remain engagedand motivated throughout their journey, continuallyrefining their English language skills.One of the key strengths of the KB textbooks is their emphasis on authentic language use. The materials are designed to reflect real-world scenarios and conversations, enabling learners to apply their knowledge in practical settings. Through a variety of engaging activities and exercises, learners are encouraged to engage actively with the language, practicing speaking, listening, reading, and writing skills in a natural and meaningful way.Moreover, the KB textbooks incorporate cutting-edge teaching methodologies that are proven to enhance language acquisition. The use of interactive technology and multimedia resources adds a dynamic element to the learning process, making it more engaging and effective. Learnersare able to access additional materials and resources online, further extending their learning opportunities beyond the classroom.The diversity and inclusivity of the KB series are also noteworthy. The textbooks cater to learners of various ages, backgrounds, and proficiency levels, ensuring that everyindividual can find a suitable path to enhance their English language skills. The materials are designed to be accessible and engaging for all learners, regardless of their prior knowledge or experience.Furthermore, the KB textbooks place a strong emphasis on developing critical thinking and problem-solving skills. Through analytical tasks and critical discussions, learners are encouraged to think critically about the language and culture they are studying, fostering a deeper understanding and appreciation of the subject matter.In conclusion, the Cambridge English KB textbooks offer a comprehensive and innovative approach to English language learning. Their focus on authentic language use, cutting-edge teaching methodologies, and inclusive design make them an ideal choice for learners seeking to enhance their English proficiency. By providing a dynamic and engaging learning experience, the KB textbooks empower learners to explore the vast world of English language and culture, opening up new opportunities for personal and professional growth.**剑桥英语KB教材：探索英语学习的全新维度**在英语语言教育领域，剑桥英语KB系列教材以其卓越的品质和创新精神，树立起了一座质量的丰碑。
Basic introduction
Basic introduction:Music, broadly speaking, refers to any art sound composition. The word comes from the ancient Greek μουσική (mousike), meaning Muse (muse) Goddess of ArtThe Chinese word music, Xu Shen, "Dictionary" interpreted as「音，聲也。
生於心，有節於外，謂之音。
」(sorry ,it’s too difficult for me to translate )Think thedifference between the music and the sound ,the music that people need to think through mind and it need creation.Music is a symbol, a sound symbol to express what people are thinking. Is one of the vectors of people's thinking. Music is a purpose, there is a connotation which implies the author's life experiences, thoughts feelings. Music from the acoustic analysis it is between constant noise and frequency pure tone, speaking from the effects it can bring enjoyment and expression of human affection beauty.And music is a form of social behavior, people can share their feelings and life experiences with each other through music. In songs this effect was most prominent.Music genre and my own experienceWhat is your favorite kind of music? Do you like jazz, popular music, classical music, folk songs, blues, and so on? In high school I took one course called music appreciation which I greatly enjoyed. This was not to learn how to play a specific instrument but to learn how to read and listen to music as an art form.We met a lot of traditional Chinese folk music in this class , and love those which do not understand by the public . We also read the stories about the lives of many composers and the history of the musical instruments themselves which made us know what a amazing thing music is ,which attract so many great people, lifelong devotion to music oceans . Sometimes we listened to tapes at the language laboratory, or concerts. Music is sometimes called a universal language. A composer who cannot speak a single word of our language can make us feel joy and pride, exaltation and despair, peace and mystery through his music.Singing Contributes to a Joyful MindOf all the things that make me happy, singing is what I like to do best. I sing for no particular purpose. In short, I sing for fun. There is no limit to what I sing, so long as it can let out my emotion and pass the pleasant voice to others. It is something more satisfactory and exciting to draw echoes from them. It is nothing bad to spread joy around, is it? As you can tell, singing is my second lifeBelow I will list some of the contemporary music of different types, and introduce some well-known songstypesRhythm and blues : this is my favoriteElectronic Music: South Korea popHip-Hop :```so manyNew Age music : i know nothing about itRock & roll: 《一无所有》(<nothing>)Jazz: <cry me a river>Mood and musicAs is known to all , music can influence our emotions , thoughts and behavior to a great degree . It can make us sad or happy , relaxed or full of energy .It is well acknowledged that there are a variety of music genres Here two types of music I appreciate can be given as examples . On the one hand , slow music calms people . Ballads and classical music often create a peaceful atmosphere that is good for relaxing after a busy day . Many people listen to slow music , which suits their moods when they are alone at night .On the often hand , faster music tends to give us energy and make us full of life , something alike . This type of music is often played at sporting events to stir up the fans and the teams or at some stores to stimulate us to doshopping . In addition , rock and roll , pop music or rap are played at parties too , which can provide energy to the gathering .As far as I am concerned , music is a good medicine to our soul . It can change our mood , our horizon in life , and even better our physical health , which is inevitably one of the most essential factors in our enjoyable life .As is known to all , music can influence our emotions , thoughts and behavior to a great degree . 。
- 1、下载文档前请自行甄别文档内容的完整性，平台不提供额外的编辑、内容补充、找答案等附加服务。
- 2、"仅部分预览"的文档,不可在线预览部分如存在完整性等问题,可反馈申请退款(可完整预览的文档不适用该条件!)。
- 3、如文档侵犯您的权益，请联系客服反馈,我们会尽快为您处理(人工客服工作时间：9:00-18:30)。
5-1. Key Module Flow Chart:
Material
五大parts： 鋁板, Membrane,Rubber Plunger, Keycap
Key Module Assemble
OK
基本組裝過程: 鋁板沖壓成形後,鋪上 MEM和RUBBER ,然後組 裝剪刀角和鍵帽.
NG
Appearance Inspection
外觀檢驗和使用film檢 查印刷
OK NG
Function Test
OK
檢查KB功能
Stock
入庫出貨
Shipment
Attached 1:AOI Machine Check Printing
AOI Machine Check Printing Ok, pass.
過UV
UV Dried Trouble Shooting
NG
Visual Check
OK
用film確認是否有印刷不良.
Final Assemble
5-3. Final Assembly Flow Chart:
組裝一些附屬parts
Final Assembly
Trouble Shooting
ቤተ መጻሕፍቲ ባይዱNG
Function Test
OK 外觀檢查：背檢 NG
General Check (Back)
OK 在KB背面貼label 或者 barcode，并scan條碼
Stick Label
Packing
將KB按照包裝方式放入 Carton
OQC Inspect
5-4. OQC Inspection Flow Chart:
PD Line
• • • • •
• KB 結構介紹: • Plunge:
1.Plunger的材料通常會使用POM,因為考慮到Plunger強度及潤滑度的因素. 2.因為KB厚度不斷的降低,相對的使Plunger的結構設計 更加的小,因此尺寸的 公差非常重要,而且因為穴數非 常多,一定要任何穴數組合都不可有滑動不順 的問題
當上下觸點接觸時發送信號至PC
KB制程介紹 KB制程介紹
General Keyboard Made Flow Chart:
Material
Key Module
(Refer to 5-1)
Keycap Printing
(Refer to 5-2)
OQC Inspect
(Refer to 5-4)
Final Assembly
• 鋁板卡鉤處多料:造成與上蓋干涉難組,且將上蓋卡壞.
• Root cause:
1.鋁板廠商在模具沖切時將折邊處的高度設計的比鋁板厚度小 2.鋁材通過擠壓沖切將缺口下方擠出多餘的料.
• 預防措施:
• 1>修改模具﹐以縮小折彎間隙擠料方式改為R角推料方式 • 2>對比其它機種模具無此問題 • 3>請各廠商將該問題加入新機種check list
NB Keyboard introduction
Contents
1.KB簡介與分類 簡介與分類 2.KB結構介紹 結構介紹 2.KB 原理 2.1電性原理 電性原理 3.KB制程介紹 制程介紹 4.常見不良的判定方法 常見不良的判定方法 5.重大異常案例分析 重大異常案例分析 6. appendix
KB簡介 KB簡介 • KB：key board
KB分類 KB分類 • 从用途上分
台式機鍵盤 筆記本電腦鍵盤
工控机键盘
机械键盘（ 机械键盘（触点键盘 ）
• 從結構上分
电容键盘（无触点键盘） 电容键盘（无触点键盘）
KB結構介紹 KB結構介紹
鋁板
membrane
rubber
plunge keycap
• FPC防呆線靠後 • Root cause: • 承認書中並未明確定議防呆線(白色記號線),廠商在生産時也沒對此進 行管控,故在上線後造成産線困擾.
• 預防措施:
• 1>新機種時,請RD 針對防呆線作好相關的定議. • 2>對防呆線還沒有作出明確定議的其他機種,請RD及時補到承認書中. • 3>請MPE加入新機種check list.
NG
Feeling Test
OK
檢查鍵帽是否脫落/是否有 卡鍵、觸感不良等問題
NG
Appearanc e Check
OK
檢查是否有料件外觀不良， 如鍵帽亮痕、硬力痕…
Printing
5-2. Printing Flow Chart:
Printing/Coating
Keycap 印刷和某些幾種 需要Coating.
確保每個按鍵功能OK
OK NG
Visual Check (Face)
OK
目視檢查外觀
NG
Legend Check (AOI)
OK
AOI測試，確保無錯key (Refer to the attached 1 and attached 2.)
5-3. Final Assembly Flow Chart:
重大異常案例分析重大異常案例分析-铝板宽度尺寸超规
• 铝板尺寸超规:
• Root cause:
• 模具较陈旧且稳定性较差，导致生产过程中折弯處松动，使产品在折 弯过程中使中间外形位置尺寸偏大
重大異常案例分析重大異常案例分析-鍵盤本體搖晃異音
• 鍵盤本體搖晃異音 • Root cause: • 因鍵帽水滴孔尺寸大(偏上限),導致平衡桿過於靈活,造成鍵盤單體搖擺 異音。
• KB 結構介紹: • Keycap:
• • 1.keycap 是由模具射出成型的.模具的穴數非常多因此會有搭配上的問題,需 確認不可有搭配上的問題,如normal key 、function key 、special key 等. 2.Keycap的外觀造型,有的客戶會考慮人體工學的會有向前傾斜及左右往上翹, 中凹陷,但隨著KB的高度降低需考慮內部結構問題所以Keycap的外觀造型會 因此受限（下圖為射出機器）
電性原理
• • 键盘是由一组排列成矩阵方式的按键开关组成.键开关矩阵即键盘按键由一组 排列成矩阵方式的按键开关组成，所输入的信号由按键所在的位置决定。 单片机在周期性扫描行、列的同时，读回扫描信号线结果，判断是否有键按 下，并计算按键的位置以获得扫描码。当有键按 下时，键盘分两次将位置扫 描码发送到键盘接口；按下一次，叫接通扫描码；释放时再发一次，叫断开 扫描码。PC通过硬件或软件的方法对键盘的行，列分别进行扫描，查询按键 位置，输出扫描位置码，通过查表转换为ASCII码返回。经过键盘I/O电路送 入主机，并由显示器显示出来。
重大異常案例分析重大異常案例分析-鍵盤按鍵異音
• • • • • 鍵盤按鍵異音: Root cause: 板彎變形度不符,OVER SPEC 預防措施: 對于range為1的規格 1>反饋給RD在承認新機種板變規格時避開range 為1.0MM的,因為廠商制程能 力達不到. 2>反饋給MPE,要求其加入新機種check list 3>請廠商業務在承認階段review規格,將不能做到的問題點及時反饋給RD. 對于range大于1的規格 1>在PR時針對不同的SPEC ,設定不同的參數.并通過小批量驗證制作CPK來 確認參數是否為最優. 2>在PR時驗證vibration等對板彎的影響,從來指定合理的廠內管控標準. 3>后段對板彎百百量測,以攔截不良.
appendix
KB 發展前景
隨著新技術的不斷發展,目前一些生産廠商已開始導入半自動與全自動. 對於人員作業安裝PLUNGE 和KEY CAP 現在可以利用機器來替代.可以增加 産能同時也減少人員作業手法不當而導致的不良品.但是這種機器的缺點是不 能應用到所在機種上,只能針對某個産量大的機種使用. 下圖為自動裝PLUNGE 和KEYCAP的機器
rubber
• • • • • • 1.Rubber dome的設計有以下幾種型式: a).使用Rubber sheet. b). Rubber dome直接黏貼在Mylar上. c). Rubber dome直接黏貼在membrane上. 2. Rubber的製造方式: 射出成型(液態),熱壓成型(固態).
• KB 結構介紹:
• • 鋁板: 由鋁板廠商沖壓而成,為了具備防水功能會將周圍抽製成型及底部 加貼Mylar或鋁箔.因沖製非常多的孔其尺寸非常重要,會影keycap的運作 的順暢,因而需要避免毛邊及鋁屑的殘留 Membrane: 一般membrane有幾種不同的設計: a).三片式:上線路,Spacer,下線路,且有上下兩個cable. b).三片式:上線路與下線路印刷在同一張Mylar上在對摺,及Spacer,且只有一 個Cable. c).兩片式: 中間Spacer使用UV印刷. d).防水及無防水處理.
Attached 2:AOI Machine Check Printing
AOI精度可調整，調整過高會造成誤判過多，過低會造成loss過多 目前AOI可檢查錯 key，double key和斷筆，對于印刷斷模糊和不完全斷筆目前還無法攔截
常見不良的判定
重大異常案例分析重大異常案例分析-铝板卡钩多料
•
重大異常案例分析重大異常案例分析-噴漆不良
• 鋁板噴漆不良及掉漆:
• Root cause:
• (1)對於大面積噴漆不良(如圖1)為噴漆治具定位柱其中一 個損壞導致(如圖3). • (2)對於點狀掉漆不良(如圖2)為原鋁板上有異物，噴漆後 異物由於磨擦脫落導致露白掉漆
重大異常案例分析-FPC防呆線靠後 重大異常案例分析-FPC防呆線靠後