18336859. LITHOGRAPHY SYSTEM AND METHODS (Taiwan Semiconductor Manufacturing Co., Ltd.)

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LITHOGRAPHY SYSTEM AND METHODS

Organization Name

Taiwan Semiconductor Manufacturing Co., Ltd.

Inventor(s)

Ming-Hsin Chen of Hsinchu (TW)

Zi-Wen Chen of Hsinchu (TW)

Chi Yang of Hsinchu (TW)

Yao-Tang Lin of Hsinchu (TW)

Jian-Yuan Su of Hsinchu (TW)

LITHOGRAPHY SYSTEM AND METHODS

This abstract first appeared for US patent application 18336859 titled 'LITHOGRAPHY SYSTEM AND METHODS



Original Abstract Submitted

A method includes: protecting a mask of a mask assembly by a frame thereon during translating the mask assembly to a position associated with a region of a substrate, the frame having height less than a focal plane associated with a selected particle size; directing extreme ultraviolet (EUV) radiation toward the mask; reflecting radiation carrying a pattern of the mask toward the mask layer; forming a feature of a semiconductor device in a layer underlying the mask layer according to the pattern.