Industry Patents
Patent: 7759871
High Temperature Seal for Electric Lamp
(Click image for PDF of full patent)
| Patent Number: |
7759871 |
| Title: |
High Temperature Seal for Electric Lamp |
| Abstract: |
An improved seal for an electric lamp is provided. An oxidation-resistant
coating is provided on the current conductor where the outer lead joins
the seal foil, preferably at the pinch seal. The coating is preferably a
chromium layer covered by a chromium layer or a silver layer covered by a
layer of hydrogenated silicon oxy carbon polymer. The coating is
preferably applied via sputtering where the coating is subject to high
energy electron or ion bombardment during sputtering. Preferably the
coating is applied via sputtering at increased deposition pressure.
|
| Country of Issue: |
US |
| First Named Inventor: |
Chowdhury, Hume, Preston, Israel, Zhao |
| Assignee: |
GEC |
| Continuation or Divisional of: |
|
| International Classification: |
H01J 17/18 |
| US Classification: |
313/623 |
| Issue Date: |
07-20-2010 |
| Filing Date: |
12-16-2005 |
| Application : |
11/303284 |
| Notes: |
|
| Link to Patent at freepatentsonline.com: |
7759871 at Freepatentsonline |
| Link to World Patent Family1: |
World Patent Family at European Patent Office |
| Link to Google Patents1: |
7759871 at Google Patents |
1. The Google Patents and World Patent Family links will likely not work until a few weeks
after the patent has issued - they take a while to get new patents in their systems.
Disclaimer: This web site is not intended to offer comprehensive or sufficient
information to enable a full legal analysis of a patent or potential
infringement. The information provided on this web site is intended
as general information only, and is not intended to serve as legal
opinion, legal advice or as a substitute for legal counsel. If you
have a question about a specific factual situation, you should
contact an attorney directly
|
