A method of removing conductors in inner layers of circuit boards by applying a constant heating current for a predetermined time period, and then applying an increasing-magnitude current until the conductor vaporizes. <IMAGE>
申请公布号
DE69205130(T2)
申请公布日期
1996.05.02
申请号
DE1992605130T
申请日期
1992.12.10
申请人
INTERNATIONAL BUSINESS MACHINES CORP., ARMONK, N.Y., US
发明人
PARRY, DONOVAN ARMIN, ROCHESTER, MINNESOTA 55901, US;REIS, ROBERT JAMES, WINONA, MINNESOTA 55987, US
