Laser processing method to a micro lens

Details Laser processing method to a micro lens Laser processing method to a micro lens

1997-10-03

1999-09-14

Griffin, Steven P.

Glass manufacturing

Processes

With wearing away of surface material

65111, 65112, 65105, 65392, 21912166, 21912171, 264 137, 359900, C03B 2300, C03B 2304, C03C 2100

Patent

active

059517310

ABSTRACT:
For forming bores for insertion of optical fibers, etc., on one side surface of a micro lens with high accuracy and easy work, a laser processing method that includes the steps of: irradiating a laser beam onto the one side surface of the micro lens; then focusing the laser beam in a layer having superiority in absorbency with respect to the laser beam; and forming the bores because the laser beam exceeds the threshold value of causing fusion, evaporation or ablation in the superior laser beam absorption layer.

REFERENCES:
patent: 4172219 (1979-10-01), Deml et al.

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