Lead frame having integral terminal tabs
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Feb 24, 1981
Issued Date -
N/A
app pub date -
Nov 5, 1979
filing date -
Nov 5, 1979
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A continuous strip of stamped and formed lead frames for a semi-conductor chip comprises spaced apart parallel carrier strips with the lead frames connected to one of the carrier strips at regularly spaced intervals. Each lead frame comprises a chip supporting portion which is centrally located between the carrier strips, and second arm which extends from the chip support portion towards one of the carrier strips and first and third arms on each side of the chip support portion which extend towards the other carrier strip. Terminal tabs are provided on each of the arms, the first and third tabs on the first and third arms extending parallel to each other towards the other carrier strip and the tab on the second arm extending parallel to the other tabs and towards the one carrier strip. Each lead frame is secured to the one carrier strip by a connection section extending from the second tab. The chip support portion and the first and third arms are additionally supported by a removable support member extending from the other carrier strip.
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