Pellicle stress relief

Radiation imagery chemistry: process – composition – or product th – Radiation modifying product or process of making – Radiation mask

Reexamination Certificate

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C430S319000, C430S311000

Reexamination Certificate

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07829248

ABSTRACT:
The present disclosure provides a mask-pellicle system for lithography patterning. The mask-pellicle system includes a mask substrate; a predefined pattern formed on the transparent pattern; a pellicle configured approximate the transparent substrate; a pellicle frame designed to secure the pellicle; and a stress-absorbing feature configured between the pellicle frame and the mask substrate, to reduce stress of the mask substrate.

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patent: 6639650 (2003-10-01), Shirasaki
patent: 6795170 (2004-09-01), Mishiro et al.
patent: 6911283 (2005-06-01), Gordon et al.
patent: 7531275 (2009-05-01), Zhang et al.
patent: 2002/0007907 (2002-01-01), Arishima et al.
patent: 2004/0043309 (2004-03-01), Lin
patent: 2007/0052945 (2007-03-01), Loos et al.
Chinese Patent Office, Office Action issued Jun. 3, 2010, Application No. 200810135751.9, 4 pages.

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