公开(公告)号：DE2247630A1

公开(公告)日：1973-12-20

申请号：DE2247630

申请日：1972-09-28

Applicant: IBM

Inventor： LANGSTON JUN PERRY ROBERT ,  TUMMALA RAO RAMAMOHANA ,  WILSON DONALD MILLER

IPC: G02F1/1339 ,  G09F9/307 ,  H01J9/26 ,  H01J61/92

公开(公告)号：DE2622141A1

公开(公告)日：1977-01-20

申请号：DE2622141

申请日：1976-05-19

Applicant: IBM

Inventor： FOSTER BETTY JANE ,  LANGSTON JUN PERRY ROBERT ,  TUMMALA RAO RAMAMOHANA

IPC: C03C3/072 ,  C03C8/02 ,  C03C8/24 ,  C03C15/00 ,  C03C27/10 ,  C03C27/00 ,  H01J9/26

Abstract: The strength of high lead or alkaline earth oxide sealing glass articles is increased by treating the surface of the articles with a solution of dilute nitric acid containing about 1-10 weight percent of concentrated nitric acid in water for the time necessary to remove a thin layer of material from the surface of the article.