920619

SME MS910258

Laser Measurements For High Yield Smt Process Control

standard by Society of Manufacturing Engineers , 06/01/1991

Case, Steven K.

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Full Description

THIS PAPER SHOWS HOW NEW INSTRUMENTATION IS USED TO PROVIDE REAL-TIME HEIGHT OR MATERIAL VOLUME MEASUREMENTS FOR IMPROVED SMT PROCESS CONTROL. EXAMPLES ARE GIVEN OF 3-D METROLOGY FOR INSPECTING THICK FILM RESISTORS, SOLDER PASTE VOLUME, REFLOWED SOLDER, SOLDER MASK, TAPE AUTOMATED BONDING, LEAD COPLANARITY, AND CERAMIC PACKAGES. A SPECIFIC EXAMPLE OF YIELD IMPROVEMENTS USING 3-D MEASUREMENTS IS GIVEN.
 

Product Details

Published:
06/01/1991
Number of Pages:
12
File Size:
1 file , 990 KB