Method of preparing an alkali metal diffusion preventive layer

Details Method of preparing an alkali metal diffusion preventive layer Method of preparing an alkali metal diffusion preventive layer

1990-04-18

1991-01-22

Lindsay, Robert L.

Glass manufacturing

Processes

With chemically reactive treatment of glass preform

20415745, 20415751, 427164, C03C 1723

Patent

active

049868411

ABSTRACT:
The present invention concerns a method of preparing an alkali metal diffusion-preventive layer by applying one of three specific methods in a method of forming an alkali metal diffusion-preventive layer containing phosphorus at the inside of the substrate containing silicon by ion implantation of phosphorus, thereby enabling to prepare an alkali metal diffusion-preventive layer having higher alkali metal diffusion-preventive performance than that of the alkali metal diffusion-preventive layer prepared by the conventional method.

REFERENCES:
patent: 3647406 (1972-03-01), Fisher
patent: 4284663 (1981-08-01), Carruthers et al.
patent: 4371587 (1983-02-01), Peters
patent: 4828817 (1989-05-01), Outlaw

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