The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 26, 1995
Filed:
Jan. 19, 1994
Mitsuaki Komino, Tokyo, JP;
Yoichi Ueda, Yokohama, JP;
Youichi Deguchi, Tokyo, JP;
Satoru Kawakami, Sagamihara, JP;
Tokyo Electron Limited, Tokyo, JP;
Abstract
The present invention provides a plasma process apparatus wherein RF power is applied to a process gas, thereby to convert the gas into plasma for processing an object, the apparatus having a process chamber, an upper electrode located in the process chamber and having a gas-supplying section for supplying a process gas, a lower electrode located in the process chamber, having a cooling means, and opposing the upper electrode, for supporting an object, and RF power supplying means electrically connected to the lower electrode, protruding from the process chamber and connected to a RF power supply, for supplying RF power between the upper and lower electrodes, wherein the RF power supplying means includes, an outer conductive pipe surrounding the inner conductive rod and spaced therefrom, and a fixing member inserted between the inner conductive rod and the outer conductive pipe and having concaves and convexes, the inner conductive rod and the outer conductive pipe being electrically connected to an RF power supply source.