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Title:
アルミナベースのエッチング耐性コーティング
Document Type and Number:
Japanese Patent JP2013534039
Kind Code:
A
Abstract:
Method of forming a protective hard mask layer on a substrate in a semiconductor etch process, comprising the step of applying by solution deposition on the substrate a solution or colloidal dispersion of an alumina polymer, said solution or dispersion being obtained by hydrolysis and condensation of monomers of at least one aluminium oxide precursor in a solvent or a solvent mixture in the presence of water and a catalyst. The invention can be used for making a hard mask in a TSV process to form a high aspect ratio via a structure on a semiconductor substrate.

Inventors:
Juhatate Lantara
Thomas gadda
Wei Min Lee
David A Thomas
William McLaughlin
Application Number:
JP2013501876A
Publication Date:
August 29, 2013
Filing Date:
March 29, 2010
Export Citation:
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Assignee:
Sylex Osaki Yukyuu
International Classes:
H01L21/3065; C01B33/12; C01F7/02; C08G79/10; C23C18/14; C08G77/58
Domestic Patent References:
JP2008221201A2008-09-25
JP2008189765A2008-08-21
JP2009126940A2009-06-11
Attorney, Agent or Firm:
Kenji Sugimura
Keisuke Kawahara
Toshio Fukui