Multiple exposure method

Details Multiple exposure method Multiple exposure method

2005-08-16

2005-08-16

Nguyen, Henry Hung (Department: 2851)

Photocopying

Projection printing and copying cameras

Step and repeat

C355S055000

Reexamination Certificate

active

06930754

ABSTRACT:
An exposure apparatus includes a first exposure device for illuminating a predetermined mask with light of a predetermined wavelength under a first illumination condition, to print a first pattern on a predetermined exposure region, and a second exposure device for illuminating the mask with light of the predetermined wavelength under a second illumination condition, different from the first illumination condition, to print a second pattern on the predetermined exposure region, in which the mask has a desired pattern and an auxiliary pattern having a shape different from that of the desired pattern, and a first exposure by the first exposure device and a second exposure by the second exposure device are carried out prior to a development process.

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Japanese Office Action dated Aug. 17, 2004, issued in corresponding Japanese patent application No. 10-184240, with partial English translation.
Japanese Office Action dated Aug. 17, 2004, issued in corresponding Japanese patent application No. 10-184239, with partial English translation.
Japanese Office Action dated Aug. 17, 2004, issued in corresponding Japanese patent application No. 10-184235, with partial English translation.

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