Device for recording laser trim progress and for detecting...

Details Device for recording laser trim progress and for detecting... Device for recording laser trim progress and for detecting...

2007-08-21

2007-08-21

Williams, Howard L. (Department: 2819)

Coded data generation or conversion

Converter calibration or testing

Trimming control circuits

C338S092000, C327S354000

Reexamination Certificate

active

10811357

ABSTRACT:
The device for detecting and tracking a status of a device under laser trim includes: a series connected string of trim tracking links; and a plurality of detecting devices wherein each detecting device is coupled in parallel with a corresponding trim tracking link. This device allows detection of laser beam to work surface misalignment and the termination of lasing before critical active circuit components can be damaged.

REFERENCES:
patent: 4016483 (1977-04-01), Rudin
patent: 4673866 (1987-06-01), Masuda
patent: 6144248 (2000-11-01), Oosugi et al.
patent: 05289758 (1993-11-01), None
patent: 10335594 (1998-12-01), None
Abstract and figure of Korean application KR 2001018087 A by Kim et al., Mar. 5, 2001.

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