Laser written chip identification method

Details Laser written chip identification method Laser written chip identification method

1983-06-23

1985-04-16

Hearn, Brian E.

Metal working

Method of mechanical manufacture

Assembling or joining

29575, H01L 2166

Patent

active

045106738

ABSTRACT:
A system of identifying each chip with identification data that is both human and machine readable. The chip identification is then used in sorting, storing, testing, assembling and failure analysis. The identification usage at these process steps eliminates chip part number mix-up and placement. It provides data used for quality control.

REFERENCES:
patent: 4027246 (1977-05-01), Caccoma et al.
patent: 4150331 (1979-04-01), Lacher
patent: 4166574 (1979-09-01), Yokoyama
patent: 4419747 (1983-12-01), Jordan

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