Communications: electrical – Condition responsive indicating system – Specific condition
Patent
1997-12-03
2000-05-23
Lee, Benjamin C.
Communications: electrical
Condition responsive indicating system
Specific condition
340454, 360110, 141 95, 141 96, 141198, 296031, 257787, 324699, 427 9, G08B 2100
Patent
active
060670258
ABSTRACT:
An apparatus and method for controlling the height of packaging above an integrated circuit package (30) comprising, a substrate (12), a silicon chip (16) and a signal wire (20), one or more height detection wires (32) extending above the top surface (26) of the silicon chip (16) and the signal wire (20) and a detector electrically connected to the height detection wire (32), wherein the height detection wire (32) and the detector form an electric circuit that is affected when a polisher of encapsulant (40) is in proximity to the height detection wire (32), is disclosed.
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Chiu Anthony M.
Kramer Alan H.
Galanthay Theodore E.
Jorgenson Lisa K.
Lee Benjamin C.
STMicroelectronics Inc.
Warren Sanford E.
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