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US6869890B2 Expired / Lapsed US ⏱️ 0.0 years remaining

Processing apparatus to be sealed against workpiece

Assignee: Ebara Corp
•
Filing: 2002-01-03
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Granted: 2005-03-22
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Expires: 2022-01-03
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Abstract

Abstract A processing apparatus is used for processing a workpiece such as a semiconductor wafer. The processing apparatus comprises a cover for covering a portion of a surface, to be processed, of a workpiece, a process chamber formed by the cover and the surface, to be processed, of the workpiece, and a sealing portion provided between the cover and the surface of the workpiece for sealing the process chamber.

Inventors

  • 👤 Nobuharu Noji
  • 👤 Hiroshi Sobukawa
  • 👤 Masami Nagayama
  • 👤 Koji Ono
  • 👤 Mutsumi Saito

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-26 16:57
CPC Classifications
C; C23; C23C; C23C16/00; C23C16/44; C23C16/4401; C23C16/4409; B; B08; B08B; B08B3/00; B08B3/04; B08B3/041; C23C16/04; H; H10; H10P; H10P72/00; H10P72/04; H10P72/0441

Claims Analysis

Total Claims: 18
Claim 1
Independent Claim 83 words
A processing apparatus for processing a workpiece, comprising: a cover for covering a portion of a surface, to be processed, of the workpiece; a process chamber to be formed by said cover and the surface, to be processed, of the workpiece; and a sealing portion at a lower end of said cover for sealing said process chamber when formed, said sealing portion to be provided between said cover and the surface of the workpiece so as to face the surface of the workpiece.
Claim 2
Dependent Claim 83 words
A processing apparatus for processing a workpiece, comprising: a cover for covering a portion of a surface, to be processed, of the workpiece; a process chamber to be formed by said cover and the surface, to be processed, of the workpiece; and a sealing portion at a lower end of said cover for sealing said process chamber when formed, said sealing portion to be provided between said cover and the surface of the workpiece so as to face the surface of the workpiece.
Claim 3
Dependent Claim 24 words
The processing apparatus according to claim 1 , wherein said sealing portion comprises at least one of a contact seal and a non-contact seal.
Claim 4
Dependent Claim 94 words
A processing apparatus for processing a workpiece, comprising: a cover for covering a portion of a surface, to be processed, of the workpiece; a process chamber to be formed by said cover and the surface, to be processed, of the workpiece, and a sealing portion to be provided between said cover and the surface of the workpiece for sealing said process chamber when formed, said sealing portion comprising at least one of a contact seal and a non-contact seal, wherein said contact seal comprises at least one of an O-ring and an oil seal.
Claim 5
Dependent Claim 94 words
A processing apparatus for processing a workpiece, comprising: a cover for covering a portion of a surface, to be processed, of the workpiece; a process chamber to be formed by said cover and the surface, to be processed, of the workpiece, and a sealing portion to be provided between said cover and the surface of the workpiece for sealing said process chamber when formed, said sealing portion comprising at least one of a contact seal and a non-contact seal, wherein said contact seal comprises at least one of an O-ring and an oil seal.
Claim 6
Dependent Claim 97 words
A processing apparatus for processing a workpiece, comprising: a cover for covering a portion of a surface, to be processed, of the workpiece; a process chamber to be formed by said cover and the surface, to be processed, of the workpiece; and a sealing portion to be provided between said cover and the surface of the workpiece for sealing said process chamber when formed, said sealing portion comprising at least one of a contact seal and a non-contact seal, wherein said non-contact seal comprises at least one of a magnetic fluid seal and a differential pumping seal.
Claim 7
Dependent Claim 97 words
A processing apparatus for processing a workpiece, comprising: a cover for covering a portion of a surface, to be processed, of the workpiece; a process chamber to be formed by said cover and the surface, to be processed, of the workpiece; and a sealing portion to be provided between said cover and the surface of the workpiece for sealing said process chamber when formed, said sealing portion comprising at least one of a contact seal and a non-contact seal, wherein said non-contact seal comprises at least one of a magnetic fluid seal and a differential pumping seal.
Claim 8
Dependent Claim 86 words
A processing apparatus for processing a workpiece, comprising: a cover for covering a portion of a surface, to be processed, of the workpiece; a process chamber to be formed by said cover and the surface, to be processed, of the workpiece; a sealing portion to be provided between said cover and the surface of the workpiece for sealing said process chamber when formed; and a chemical vapor deposition device in said process chamber, when formed, for depositing a thin film on the surface of the workpiece.
Claim 9
Dependent Claim 86 words
A processing apparatus for processing a workpiece, comprising: a cover for covering a portion of a surface, to be processed, of the workpiece; a process chamber to be formed by said cover and the surface, to be processed, of the workpiece; a sealing portion to be provided between said cover and the surface of the workpiece for sealing said process chamber when formed; and a chemical vapor deposition device in said process chamber, when formed, for depositing a thin film on the surface of the workpiece.
Claim 10
Dependent Claim 86 words
A processing apparatus for processing a workpiece, comprising: a cover for covering a portion of a surface, to be processed, of the workpiece; a process chamber to be formed by said cover and the surface, to be processed, of the workpiece; a sealing portion to be provided between said cover and the surface of the workpiece for sealing said process chamber when formed; and a chemical liquid cleaning device in said process chamber, when formed, for cleaning the surface of the workpiece with a chemical liquid.
Claim 11
Dependent Claim 86 words
A processing apparatus for processing a workpiece, comprising: a cover for covering a portion of a surface, to be processed, of the workpiece; a process chamber to be formed by said cover and the surface, to be processed, of the workpiece; a sealing portion to be provided between said cover and the surface of the workpiece for sealing said process chamber when formed; and a chemical liquid cleaning device in said process chamber, when formed, for cleaning the surface of the workpiece with a chemical liquid.
Claim 12
Dependent Claim 76 words
A processing apparatus for processing a workpiece, comprising: a cover for covering a portion of a surface, to be processed, of the workpiece; a process chamber to be formed by said cover and the surface, to be processed, of the workpiece; and a sealing portion to be provided between said cover and the surface of the workpiece for sealing said process chamber when formed; and a sensor for detecting conditions of the surface of the workpiece.
Claim 13
Dependent Claim 76 words
A processing apparatus for processing a workpiece, comprising: a cover for covering a portion of a surface, to be processed, of the workpiece; a process chamber to be formed by said cover and the surface, to be processed, of the workpiece; and a sealing portion to be provided between said cover and the surface of the workpiece for sealing said process chamber when formed; and a sensor for detecting conditions of the surface of the workpiece.
Claim 14
Dependent Claim 30 words
The processing apparatus according to claim 7 , further comprising an adjustment device for adjusting processing conditions in said process chamber, when formed, based on a signal from said sensor.
Claim 15
Dependent Claim 81 words
A processing apparatus for processing a workpiece, comprising: a cover for covering a portion of a surface, to be processed, of the workpiece; a process chamber to be formed by said cover and the surface, to be processed, of the workpiece; and a sealing portion to be provided between said cover and the surface of the workpiece for sealing said process chamber when formed, wherein the surface of said workpiece is to be processed under a pressure lower than atmospheric pressure.
Claim 16
Dependent Claim 81 words
A processing apparatus for processing a workpiece, comprising: a cover for covering a portion of a surface, to be processed, of the workpiece; a process chamber to be formed by said cover and the surface, to be processed, of the workpiece; and a sealing portion to be provided between said cover and the surface of the workpiece for sealing said process chamber when formed, wherein the surface of said workpiece is to be processed under a pressure lower than atmospheric pressure.
Claim 17
Dependent Claim 78 words
A processing apparatus for processing a workpiece, comprising: a cover for covering a portion of a surface, to be processed, of the workpiece; a process chamber to be formed by said cover and the surface, to be processed, of the workpiece; and a sealing portion to be provided between said cover and the surface of the workpiece for sealing said process chamber when formed, wherein the surface of the workpiece is to be processed under a wet condition.
Claim 18
Dependent Claim 78 words
A processing apparatus for processing a workpiece, comprising: a cover for covering a portion of a surface, to be processed, of the workpiece; a process chamber to be formed by said cover and the surface, to be processed, of the workpiece; and a sealing portion to be provided between said cover and the surface of the workpiece for sealing said process chamber when formed, wherein the surface of the workpiece is to be processed under a wet condition.

References Cited (Backward Citations)

US6156625A Cited
US5997963A Cited
US6187134B1 Cited
US20020042246A1 Cited
US6764386B2 Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 2008-03-21 2008-09-20 2009-03-22 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 2012-03-21 2012-09-20 2013-03-22 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 2016-03-21 2016-09-20 2017-03-22 $7700.00 Window Closed / Lapsed

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