System for production of large area display panels with...

Details System for production of large area display panels with... System for production of large area display panels with...

2005-01-18

2005-01-18

Mohamedulla, Saleha R. (Department: 1756)

Radiation imagery chemistry: process, composition, or product th

Including control feature responsive to a test or measurement

C430S320000, C355S018000

Reexamination Certificate

active

06844123

ABSTRACT:
The present invention relates to a method and a system for producing large area display panels with improved precision. The system according to the invention comprises a first mask producing means (1) for producing a mask with a predetermined pattern according to input data and microlithographic exposing means (2) for exposing a photosensitive substrate with light and with use of a mask to impose the pattern of the mask on the substrate, whereby said substrate has a layer being sensitive to said light. Further, the system comprises measuring means (3) for measuring the pattern on the substrate and detecting deviations relative to the intended pattern as given by the input data, and second mask producing means (1) for producing a second mask according to second input data, and being controllable according to said measurement, to modify the pattern on the mask to compensate for the measured deviations, and thus compensate for production distortions.

REFERENCES:
patent: 5815685 (1998-09-01), Kamon
patent: 0467076 (1992-01-01), None
patent: 9705526 (1997-02-01), None

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