欧美一区二区三区国产 I 黄色变态网站 I 人人干人人插 I 黄色av日韩 I 日日摸天天摸97狠狠婷婷 I 国语对白真实视频播放 I 美女中文字幕 I av手机在线免费观看 I 免费毛片视频播放 I 丝袜视频国产在线播放 I 女人的天堂av在线 I 中文字幕一区二区三区乱码不卡 I 欧美激情综合五月色丁香小说 I 污视频在线免费观看 I 99热1 I 一进一出一爽又粗又大 I 久在线 I 日日大香人伊一本线久 I 日本精品一区二区三区无码 I 国产爱搞 I 爱性久久久久久久 I 亚洲综合第二页 I 少妇高潮不断出白浆av I 国产真实乱子伦视频播放 I 久久精品一二三区 I 乱码精品一卡二卡无卡 I 日韩在线色 I 自拍偷拍五月天 I 国产精品丝袜久久久久久不卡 I 在线国产欧美

                

 
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……