Apparatus for forming a microlens mold

Gear cutting – milling – or planing – Milling – Including means to infeed work to cutter

Reexamination Certificate

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C409S228000, C407S054000, C407S065000, C407S119000

Reexamination Certificate

active

06846137

ABSTRACT:
An apparatus for making microlens molds and microlens array molds is described which utilizes a forming element having a rotating half radius diamond cutting member. A substrate is alignably arranged with the diamond cutting member so that the cutting member can mill a mold cavity in the substrate. The apparatus can be used to make high sag lens molds with high accuracy and a nearly 100% fill factor.

REFERENCES:
patent: 1235604 (1917-08-01), Royle
patent: 1685920 (1928-10-01), Kearney
patent: 2393907 (1946-01-01), Herfuth
patent: 2480354 (1949-08-01), Bonnet
patent: 2905059 (1959-09-01), Fabish
patent: 3857305 (1974-12-01), Lichtman
patent: 3937873 (1976-02-01), Gastineau
patent: 4175896 (1979-11-01), Kishinami et al.
patent: 4338050 (1982-07-01), Ozer et al.
patent: 4693641 (1987-09-01), Tsujimura et al.
patent: 5039259 (1991-08-01), Duncan
patent: 5188487 (1993-02-01), Okawa et al.
patent: 5300263 (1994-04-01), Hoopman et al.
patent: 5519539 (1996-05-01), Hoopman et al.
patent: 5536455 (1996-07-01), Aoyama et al.
patent: 5626446 (1997-05-01), Ching
patent: 5632576 (1997-05-01), Storch
patent: 5718155 (1998-02-01), Asada et al.
patent: 5876642 (1999-03-01), Calderini et al.
patent: 6402996 (2002-06-01), Border et al.
patent: 3209879 (1983-09-01), None
Machinery's Handbook, 25thed., Industrial Press Inc., New York, 1996, pp. 754-757, 970-975, 1172-1177.

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