欧美做受高潮 I 91偷拍视频 I 精品视频免费观看 I 日本日韩欧美 I 成人片在线看 I 国产精品污 I 国产精品扒开腿做爽爽爽视频 I 日本视频www I 亚洲а∨天堂久久精品2021 I 欧美日韩高清一区 I 一级片aaa I 国产欧美一区二区三区鸳鸯浴 I 很黄很黄的网站 I 综合色吧 I 幸福宝在线观看 I 最新超碰在线 I aaa天堂 I 午夜精品久久久久久久久久 I 精品久久蜜桃 I 一区二区三区啪啪啪 I 日韩综合一区二区三区 I 国产另类av I 毛片av免费在线观看 I 欧美一区二区三区久久精品 I 中文字幕欧美人妻精品一区 I 一区二区高清 I 99精品视频在线观看 I p站在线观看

                

 
Product Introduction:
       Metal 4 Probes are manufactured by high quality Tungsten steel needle and plastic, which can provide a stable and reliable data, the probes are according SEMI and ASTM standard.
 
Product Feature:
■ Stable: the shrinkage factor is lower than 0.3%,the swell factor is lower than 3*16-6.

■ mechanical factor: Tensile Strength>120MPa,bending strength>150MPa,flexural 
modulus>120GPa.
■ stable for high temperature,can be 180℃
■ Electrical Factor:Dielectric strength>1Kv/mm,Dielectric coefficient<4,Volume resistivity>106.
■ corrosion-resistant,fire resistance.
 
Technical information:
■ size : 8mm
■ distance between probes: 1±0.010mm
■ Probe material: high speed steel
■ pressure of probe: 5~8N
■ the length of probe outside:3mm
■ the resistance between probes:>109ohm
 

Customers:
LDK,Yiingli solar……