Methods and systems for improved boundary contrast

Optical: systems and elements – Optical modulator – Light wave temporal modulation

Reexamination Certificate

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

C359S225100, C430S394000

Reexamination Certificate

active

07106490

ABSTRACT:
The present invention relates to methods and systems that define feature boundaries in a radiation sensitive medium on a workpiece using a diffraction-type micromirror array, extending to production of patterns and structures on a semiconductor substrate. Workpieces include lithographic masks, integrated circuits and other electronic and optical devices. Particular aspects of the present invention are described in the claims, specification and drawings.

REFERENCES:
patent: 5148157 (1992-09-01), Florence
patent: 5467146 (1995-11-01), Huang et al.
patent: 5504614 (1996-04-01), Webb et al.
patent: 5581292 (1996-12-01), Cianciosi et al.
patent: 5629794 (1997-05-01), Magel et al.
patent: 5774254 (1998-06-01), Berlin
patent: 5804340 (1998-09-01), Garza et al.
patent: 5835256 (1998-11-01), Huibers
patent: 6088102 (2000-07-01), Manhart
patent: 6142641 (2000-11-01), Cohen et al.
patent: 6249597 (2001-06-01), Tsudaka
patent: 6285488 (2001-09-01), Sandstrom
patent: 6348907 (2002-02-01), Wood
patent: 6373619 (2002-04-01), Sandstrom
patent: 6504644 (2003-01-01), Sandstrom
patent: 6536032 (2003-03-01), Tanaka et al.
patent: 6717097 (2004-04-01), Sandstrom et al.
patent: 2001/0040670 (2001-11-01), Fielding
patent: 2002/0051913 (2002-05-01), Broeke
patent: 2002/0078428 (2002-06-01), Lin
patent: 2002/0176151 (2002-11-01), Moon et al.
patent: 0 467 076 (1991-06-01), None
patent: WO 93/09469 (1993-05-01), None
patent: WO 01/18606 (2001-03-01), None
patent: WO 01/93303 (2001-12-01), None

LandOfFree

Say what you really think

Search LandOfFree.com for the USA inventors and patents. Rate them and share your experience with other people.

Rating

Methods and systems for improved boundary contrast does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Methods and systems for improved boundary contrast, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Methods and systems for improved boundary contrast will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-3568549

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.