Method for crystallizing amorphous silicon into polysilicon...

Details Method for crystallizing amorphous silicon into polysilicon... Method for crystallizing amorphous silicon into polysilicon...

2006-11-08

2009-08-25

Rosasco, Stephen (Department: 1795)

Radiation imagery chemistry: process, composition, or product th

Radiation modifying product or process of making

Radiation mask

Reexamination Certificate

active

07579123

ABSTRACT:
A mask for laser-crystallizing amorphous silicon into polysilicon is provided. The mask comprises a transparent substrate having a first block, a second block, and a third block with equal sizes. The second block is located between the first block and the third block. The first block includes a plurality of first transmission regions and a plurality of first opaque regions located between the first transmission regions. The second block includes a plurality of second transmission regions correspond to the first opaque regions and a plurality of second opaque regions located between the second transmission regions and corresponds to the first transmission regions. The third block includes a plurality of third transmission regions arranged corresponding to the centers of the first transmission regions and corresponding to centers of the second transmission regions and a plurality of third opaque regions located between the third transmission regions.

REFERENCES:
patent: 6800540 (2004-10-01), You

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