Chinese Product Environmental Testing Seminar Notes

Product Environmental Testing Seminar
产品环境测试研讨会
3199 De La Cruz Blvd., Santa Clara, CA 95054 (408) 988-0770

email: test@quantalabs.com website: www.quantalabs.com
Dr. Hong S. Liu, P.E.
President
Quanta Laboratories
刘杭生博士
广达测试公司总裁
SMQ讲座，合作媒体：中国可靠性网 链接

Topics for Discussion: 讨论主题
Environmental Testing?
-What is it? 什么是环境测试？
-What are the benefits? 环境测试的收益是什么？
-What products need it? 何种产品需要做环境测试？
-When to perform them? 何时做环境测试？
Most commonly performed tests
最常用的环境测试实验
Steps in product testing
产品测试步骤
Typical sequence in performing environmental testing
环境测试的典型顺序
Generating environmental test specifications
如何制定环境测试标准
Advantages and disadvantages of in-house test labs
内部测试实验室的优缺点
Tips for reducing testing costs
降低测试费用的几个方法
环境测试？

What is Environmental Testing? 什么是环境测试？
To test products against conditions
they will encounter during
storage, distribution, and operation
对产品在储存、输送和使用时
可能遭遇的各种情况进行测试

Benefits of Product Environmental Testing
产品环境测试的收益
More robust products 更加坚固的产品
Lower overall product costs 降低产品成本
Reduction of warranty expenses 减少质保费用
Enhanced product/company image 提升产品/公司形象
Identification of product design / manufacturing deficiencies before
volume production 在批量生产前找出产品设计/制造的缺陷
Improved competitiveness in market place 提高产品的市场竞争力

What products need environmental testing?
何种产品需要做环境测试？
Everything!!! 所有产品
Military 军工产品
Commercial 商用产品
Industrial 工业产品
Food Industry 食品
Health Care 健康医疗产品
Automotive 汽车
Computer Industry 计算机
Telecommunications 通讯器材
Fiber optics 光纤器材
etc. 等等

Most commonly performed tests: 最常用的环境测试实验
􀂃 Dynamic 动力测试
–Vibration 振动
–Shock 冲击
–Drop 跌落
–Acceleration 加速度
–Acoustic 声学测试
•Noise measurements 噪音测试
•Noise impingement 噪音冲击
–Environmental Stress Screening (ESS)
HALT, HASS, POS
–筛选（ESS）：HALT，HASS，POS
􀂃 Miscellaneous 其他测试
–Explosive atmosphere 爆燃性空气
–Gross and fine leak 密封性测试
–EMI (Electromagnetic Interference) 电磁干
扰
–ESD (Electrostatic Discharge) 静电电击
􀂃 Climatic 气候
–Temperature 温度
•Temperature cycling 温度循环
•Thermal shock 温度剧变
–Humidity 湿度
–Altitude 海拔（高度）
–Salt fog 盐雾
–Sand and dust 沙尘
–Solar radiation 阳光幅射
–Rain 雨淋
–Fungus 霉菌
􀂃 Electrical 电测试
–Input voltage variation 输入电压变化
–Input voltage spike 输入电压瞬间变化
–Load variation 荷载变化