Browse Prior Art Database

Laser-Welded Thermocouple for In-Situ Temperature Measurement

IP.com Disclosure Number: IPCOM000037456D
Original Publication Date: 1989-Feb-01
Included in the Prior Art Database: 2005-Jan-29

Publishing Venue

IBM

Related People

Authors:
Jackson, MW Nguyen, DQ [+details]

Abstract

Temperature measurement is often a critical process control parameter for electronic component assembly and packaging. Typically, thermocouples provide this information; however, their effectiveness is currently limited by the attachment technique, usually via adhesive or arc-welding (spot welding). Disclosed is a technique to acquire precise and accurate in-situ temperatures of a variety of substrates (circuit cards, silicon chips, ceramics, metal surfaces) which can then be used to enhance development and manufacturing processes.