PLASMA PROCESSING APPARATUS
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
N/A
Issued Date -
Aug 30, 2012
app pub date -
Feb 21, 2012
filing date -
Feb 25, 2011
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
According to one embodiment, a plasma processing apparatus that includes a process target holding portion and a plasma generating unit in a chamber, and processes a process target by using generated plasma is provided. An yttrium oxide film is formed on an inner wall of the chamber and a surface of a structural member in the chamber on a generation region side of the plasma. The yttrium oxide film includes yttrium oxide particles, has a film thickness of 10 μm or more and 200 μm or less, has a film density of 90% or more, and is such that yttrium oxide particles, which are present in a unit area 20 μm×20 μm and whose grain boundary is confirmable, are 0 to 80% in area ratio.
First Claim
Family
International Classification(s)
Cited Art Landscape
Patent Citation Ranking
Recipient Email Address
Recipient Email Address
Comment
Recipient Email Address
Add to Portfolio(s)
To add this patent to one, or more, of your portfolios, simply click the add button.
This Patent is in these Portfolios:
Add to additional portfolios:
Last Refreshed On:
Changes done successfully