CERAMIC COPPER CIRCUIT BOARD AND SEMICONDUCTOR DEVICE USING SAME
Number of patents in Portfolio can not be more than 2000
United States of America
Stats
-
N/A
Issued Date -
Feb 3, 2022
app pub date -
Sep 7, 2021
filing date -
Sep 7, 2021
priority date (Note) -
Published
status (Latency Note)
Importance
Abstract
A ceramic copper circuit board including a ceramic substrate, and a copper circuit part located on the ceramic substrate, wherein an arbitrary line parallel to a first direction at a cross section of the copper circuit part parallel to the first direction crosses multiple copper crystal grains, the first direction is from the ceramic substrate toward the copper circuit part, an average of multiple distances in a second direction between the line and edges of the copper crystal grains is not more than 300 μm, and the second direction is perpendicular to the first direction.
First Claim
Family
International Classification(s)
Cited Art Landscape
Patent Citation Ranking
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