標題: PTS-CMS在JEDEC Drop Test的應用 [打印本頁]

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作者: Alien    時間: 2009-9-24 15:35     標題: PTS-CMS在JEDEC Drop Test的應用


CMS: Continuity Monitoring System

• CMS 主要是量DUT(Device Under Test)上接點的通或不通.
  
• 每片CMS模組都有MicroProcessor
  
• 量測原理: 加固定電流至待測接點上,量接點兩端之電壓, 經V=IR計算出接點電阻.
  
• 量測方式: 有一線,二線,四線式
  
• Thermotron CMS 可搭配 chamber 使用
  
• Service CMS Test Kit
  

相關規範:

• JESD22-B104C Mechanical Shock, Nov-2004
  
• JESD22-B111 Board Level Drop Test Method of Components for Handheld Electronic Products, Jul-2003
  
• JESD22-B110A Subassembly Mechanical Shock, Nov-2004
  
• JESD22-B113 Board Level Cyclic Bend Test Method for Interconnect Reliability Characterization of Components for Handheld Electronic Products, Mar-2006
  

想知道更多嗎?
快來問我吧...

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作者: weapig    時間: 2010-8-17 13:18

推~推~推~

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