Hermetic IC package moisture tester
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jul 20, 1993
Grant Date -
N/A
app pub date -
Feb 20, 1992
filing date -
Feb 20, 1992
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The amount of extraneous gas within a hermetic sealed package, such as water vapor, is measured by measuring the total gas pressure within the package. This gas pressure is compared to a correlation made of expected total pressure within a package to deviations to that total pressure to determine the amount of extraneous gas. The correlation itself is derived statistically by comparing samples of actual total pressure to expected total pressure. These samples are then used to statistically produce the above correlation which is then used in actual testing.
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