EFEM

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 9704727
SERIAL NO

14569293

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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An EFEM includes a housing 3 that constitutes a wafer transport chamber 9 that is substantially closed by connecting load ports 4 to an opening 31a provided on a wall 31, and connecting a processing apparatus 6; a wafer transport apparatus 2, and transports a wafer between the processing apparatus 6 and the FOUPs 7 mounted on the load ports 4; a gas delivery port 11; a gas suction port 12; a gas feedback path 10; and a FFU 13 that includes a filter 13b that is provided in the gas delivery port 11, and eliminates particles contained in the delivered gas, wherein the gas in the wafer transport chamber 9 is circulated by generating a downward gasflow in the wafer transport chamber 9 and feeding back the gas through the gas feedback path 10.

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Patent Owner(s)

Patent OwnerAddress
SINFONIA TECHNOLOGY CO LTD1-30 SHIBADAIMON 1-CHOME MINATO-KU TOKYO 1058564

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kawai, Toshihiro Tokyo, JP 48 551
Natsume, Mitsuo Tokyo, JP 13 479
Sato, Kunihiko Tokyo, JP 92 952
Segawa, Mikio Tokyo, JP 2 374
Suzuki, Atsushi Tokyo, JP 559 5650
Taniyama, Yasushi Tokyo, JP 28 579

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