Title:
【発明の名称】鉛および砒素を含有しないホウケイ酸ガラスおよび該化合物を含むランプ
Document Type and Number:
Japanese Patent JP2000516192
Kind Code:
A
Abstract:
A lead and arsenic free borosilicate glass is provided which is suitable for use in electric arc discharge lamps. The glass is tungsten-sealing and provides desirable protection from ultraviolet radiation. In addition, the glass is resistant to surface scum formation during melting and reduces the amount of batched iron which must be added for UVB protection.
Inventors:
Richard Sea Mahler
Application Number:
JP50197599A
Publication Date:
December 05, 2000
Filing Date:
June 02, 1998
Export Citation:
Assignee:
Osram-Sylvenia Incorporated
International Classes:
C03C3/091; C03C3/095; C03C4/08; H01J61/30; (IPC1-7): C03C4/08; C03C3/095; H01J61/30
Attorney, Agent or Firm:
Toshio Yano (2 outside)
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