发明授权
- 专利标题： Electroforming composite beta, mainly beta"-alumina articles
- 专利标题（中）： 电铸复合β，主要是β“ - 氧化铝制品
-
申请号： US184361申请日： 1980-09-05
-
公开(公告)号： US4279725A公开(公告)日： 1981-07-21
- 发明人: Robert W. Powers , John C. Bielawski
- 申请人： Robert W. Powers , John C. Bielawski
- 申请人地址： NY Schenectady
- 专利权人： General Electric Company
- 当前专利权人： General Electric Company
- 当前专利权人地址： NY Schenectady
- 主分类号： C25D1/14
- IPC分类号： C25D1/14 ; C25D1/20
摘要：
A composite beta, mainly beta"-alumina article is described which comprises a first layer of beta-alumina, a second layer of mainly beta"-alumina adhering securely to the first layer, and the first layer consisting of 1 to 15 percent thickness of the total thickness of the article. A method is also described for producing such composite articles.
公开/授权文献
- US4873510A Ice detector with movable feeler 公开/授权日：1989-10-10
信息查询
