Laser driver ASIC chip

Details Laser driver ASIC chip Laser driver ASIC chip

1994-08-16

1995-08-01

Scott, Jr., Leon

Coherent light generators

Particular component circuitry

Optical pumping

H01S 300

Patent

active

054385814

ABSTRACT:
Improved rise and fall times for the driving pulses used to drive the laser in a laser writer are achieved by incorporating the sources of the READ, WRITE, and BOOST pulses in one ASIC chip and by having the pulses driving only one laser current driver stage which is held on by a READ signal, but which can be turned on harder when a WRITE and/or BOOST signal is applied, thus the delay associated with turning on the laser current driver stage is eliminated permitting higher writing speeds.

REFERENCES:
patent: 4819241 (1989-04-01), Nagano
patent: 5097473 (1992-03-01), Taguchi

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