发明授权
- 专利标题: Control of circuit board quality
- 专利标题(中): 控制电路板质量
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申请号: US144736申请日: 1988-01-15
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公开(公告)号: US4774188A公开(公告)日: 1988-09-27
- 发明人: Edwin A. Chandross
- 申请人: Edwin A. Chandross
- 申请人地址: NJ Murray Hill
- 专利权人: American Telephone and Telegraph Company, AT&T Bell Laboratories
- 当前专利权人: American Telephone and Telegraph Company, AT&T Bell Laboratories
- 当前专利权人地址: NJ Murray Hill
- 主分类号: C09K11/06
- IPC分类号: C09K11/06 ; H05K1/02 ; H05K1/03 ; G01N21/64 ; B32B15/08 ; B32B27/38
摘要:
Circuit boards with advantageous properties are produced through the addition of a fluorescent dye. The presence of the dye allows an expeditious inspection of the metallic pattern on the circuit board by induced fluorescence.
公开/授权文献
- US5946259A Voltage generator methods and apparatus 公开/授权日:1999-08-31