The method of solder mask diameter measured by using Diamond shape monitoring pattern.
Original Publication Date: 2002-Nov-30
Included in the Prior Art Database: 2003-Jun-21
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·.