Method for reproducing holograms, kinoforms, diffractive optical

Details Method for reproducing holograms, kinoforms, diffractive optical Method for reproducing holograms, kinoforms, diffractive optical

1993-11-19

1996-07-23

Vargot, Mathieu D.

Plastic and nonmetallic article shaping or treating: processes

Optical article shaping or treating

Light polarizing article or holographic article

264 136, 264 25, 264485, 264162, 264219, 2643281, B29D 1100

Patent

active

055386741

ABSTRACT:
A method of molding a plastic element having a microstructure embedded therein includes the steps of providing a master having a microstructure therein; casting a liquid surface coating over said master; solidifying the liquid surface coating to form a rigid molding tool containing said microstructure; placing the molding tool into a molding machine; introducing a plastic element into the molding machine; transferring the microstructure from the molding tool to the plastic element; and removing the molded plastic element from the molding machine. The molding tool may also be produced by machining directly into a molding base element a predetermined microstructure without machining through a transfer interlayer. An injection-molded binary optical element produced according to the method of the present invention provides an injection molded optical element which diffracts light.

REFERENCES:
patent: 4219721 (1980-08-01), Kamen et al.
patent: 4619804 (1986-10-01), Leonard et al.
patent: 4707321 (1987-11-01), Segawa et al.
patent: 4737447 (1988-04-01), Suzuki et al.
patent: 4788015 (1988-11-01), Sakai et al.
patent: 4793953 (1988-12-01), Maus
patent: 4828769 (1989-05-01), Maus et al.
patent: 4832966 (1989-05-01), Newsteder
patent: 4842782 (1989-06-01), Portney et al.
patent: 4895790 (1990-01-01), Swanson et al.
patent: 4933120 (1990-06-01), D'Amato et al.
patent: 4936665 (1990-06-01), Whitney
patent: 5003915 (1991-04-01), D'Amato et al.
patent: 5013494 (1991-05-01), Kubo et al.
patent: 5071597 (1991-12-01), D'Amato et al.
patent: 5083850 (1992-01-01), Mallik et al.
patent: 5085514 (1992-02-01), Mallik et al.
patent: 5116548 (1992-05-01), Mallik et al.
patent: 5153772 (1992-10-01), Kathman et al.
patent: 5156943 (1992-10-01), Whitney
patent: 5161059 (1992-11-01), Swanson et al.
patent: 5189631 (1993-02-01), Palmer et al.
patent: 5218471 (1983-06-01), Swanson et al.
patent: 5227897 (1993-07-01), Fohrman et al.
patent: 5279924 (1994-01-01), Sakai et al.
patent: 5292457 (1994-03-01), Arai et al.
patent: 5386319 (1995-01-01), Whitney
patent: 5389313 (1995-02-01), Imataki et al.

Affiliated with

Also associated with

Rating

Method for reproducing holograms, kinoforms, diffractive optical does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Method for reproducing holograms, kinoforms, diffractive optical, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method for reproducing holograms, kinoforms, diffractive optical will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-710952