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The method of solder mask diameter measured by using Diamond shape monitoring pattern.

IP.com Disclosure Number: IPCOM000016145D
Original Publication Date: 2002-Nov-30
Included in the Prior Art Database: 2003-Jun-21

Publishing Venue

IBM

Abstract

Disclosed is to judge a solder resist opening criteria quickly by using a Diamond gauge monitor pattern. The Method of Diamond Monitor Pattern: Figure-A and Figure-B shows the example of Diamond monitor pattern. Provide a solder opening monitor· into the boarder· which is same as function area·.