Electrically modulatable thermal radiant source and method for manufacturing the same
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Mar 19, 1996
Grant Date -
N/A
app pub date -
Mar 31, 1994
filing date -
Apr 7, 1993
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A radiant source including an essentially planar substrate having a well or hole formed therein. At least one incandescent filament is mounted to the substrate and aligned at the well or hole. Contact pads are formed onto the substrate, to both ends of the incandescent filament, and feed electric current to the incandescent filament. Furthermore, each incandescent filament is doped with phosphorus to an impurity concentration of at least 5.times.10.sup.19 atoms/cm.sup.3.
First Claim
Family
International Classification(s)
Cited Art Landscape
Patent Citation Ranking
Advertisement
Advertisement
Advertisement
Recipient Email Address
Recipient Email Address
Comment
Recipient Email Address
Add to Portfolio(s)
To add this patent to one, or more, of your portfolios, simply click the add button.
This Patent is in these Portfolios:
Add to additional portfolios:
Last Refreshed On:
Changes done successfully