LED行业高频词汇(7)
发布时间:2021-06-08
发布时间:2021-06-08
LED行业高频词汇
冷焊﹕ cold soldering
桥焊﹕ solder bridge
脱焊﹕ open soldering
焊点剥离﹕ solder off
不润湿焊点﹕ soldering nonwetting
锡珠﹕ solder ball
拉尖﹕ icicle ; solder projection
孔洞﹕ void
焊料爬越﹕ solder wicking
过热焊点﹕ overheated solder connection
不饱和焊点﹕ insufficient solder connection
过量焊点﹕ excess solder connection
助焊剂剩余﹕ flux residue
焊料裂纹﹕ solder crazeing
焊角翘起﹕ fillet-lifting ;lift-off
AI :Auto-Insertion 自动插件
AQL :acceptable quality level 允收水平
ATE :automatic test equipment 自动测试
ATM :atmosphere 气压
BGA :ball grid array 球形矩阵
CCD :charge coupled device 监视连接组件(摄影机)
CLCC :Ceramic leadless chip carrier 陶瓷引脚载具
COB :chip-on-board 芯片直接贴附在电路板上
cps :centipoises(黏度单位) 百分之一
CSB :chip scale ball grid array 芯片尺寸BGA
CSP :chip scale package 芯片尺寸构装
CTE :coefficient of thermal expansion 热膨胀系数
DIP :dual in-line package 双内线包装(泛指手插组件)
FPT :fine pitch technology 微间距技术
FR-4 :flame-retardant substrate 玻璃纤维胶片(用来制作PCB材质)
IC :integrate circuit 集成电路
IR :infra-red 红外线
Kpa :kilopascals(压力单位)
LCC :leadless chip carrier 引脚式芯片承载器
MCM :multi-chip module 多层芯片模块
MELF :metal electrode face 二极管
MQFP :metalized QFP 金属四方扁平封装
NEPCON :National Electronic Package and
Production Conference 国际电子包装及生产会议
ppm:parts per million 指每百万PAD(点)有多少个不良PAD(点)
psi :pounds/inch2 磅/英吋2
PWB :printed wiring board 电路板
QFP :quad flat package 四边平坦封装