Plasma processing apparatus, and maintenance method and assembling method of the same

US8945340B2 · US · B2

Patent metadata
FieldValue
Publication numberUS-8945340-B2
Application numberUS-70514110-A
CountryUS
Kind codeB2
Filing dateFeb 12, 2010
Priority dateFeb 12, 2009
Publication dateFeb 3, 2015
Grant dateFeb 3, 2015

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  1. Title

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  2. Abstract

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  5. First independent claim

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Abstract

Official abstract text for this publication.

A plasma processing apparatus includes a processing chamber that converts a processing gas introduced from a gas supply source into plasma and performs plasma processing on a target object, an exhaust chamber that communicates with the inside of the processing chamber to exhaust a gas converted into plasma from the processing chamber, and a blocking cover that is provided in the exhaust chamber to block communication between the inside of the processing chamber and the inside of the exhaust chamber.

First claim

Opening claim text (preview).

What is claimed is: 1. A plasma processing apparatus comprising: a processing chamber that converts a processing gas introduced from a gas supply source into plasma and performs plasma processing on a target object; an exhaust chamber that communicates with the inside of the processing chamber to exhaust a gas converted into plasma from the processing chamber; a blocking cover that is provided in the exhaust chamber to block communication between the inside of the processing c…

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What does patent US8945340B2 cover?
A plasma processing apparatus includes a processing chamber that converts a processing gas introduced from a gas supply source into plasma and performs plasma processing on a target object, an exhaust chamber that communicates with the inside of the processing chamber to exhaust a gas converted into plasma from the processing chamber, and a blocking cover that is provided in the exhaust chamber…
Who is the assignee on this patent?
Saito Masashi, Tokyo Electron Ltd
What technology area does this patent fall under?
Primary CPC classification H01J37/32522. Mapped technology areas include Electricity.
When was this patent published?
Publication date Tue Feb 03 2015 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
What related patents are in patentsdb?
We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).