Invention Grant
- Patent Title: Electrode structure including a rod comprising refractory metal and having a greater thermal conductivity material
- Patent Title (中): 电极结构包括含有难熔金属并具有较大导热性材料的棒
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Application No.: US750125Application Date: 1997-02-24
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Publication No.: US5874805APublication Date: 1999-02-23
- Inventor: Martin Kavanagh
- Applicant: Martin Kavanagh
- Applicant Address: GB2 Manchester
- Assignee: Digital Projection Limited
- Current Assignee: Digital Projection Limited
- Current Assignee Address: GB2 Manchester
- Priority: GBX9413973 19940711
- Main IPC: H01J9/02
- IPC: H01J9/02 ; H01J61/073 ; H01J17/04 ; H01J61/04
Abstract:
An electrode structure for use in a sealed arc lamp is described. The electrode structure includes a tungsten containing rod surrounded by a block of sintered tungsten containing powder. The block may be impregnated with a thermally conductive material such as copper, silver or braze, and may have a high thermal emissivity surface.
Public/Granted literature
- US4608860A Stall detector Public/Granted day:1986-09-02
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