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JPS5388573A Expired / Lapsed JP ⏱️ 0.0 years remaining

Production of beam lead type semiconductor device

Assignee: NEC Corp
•
Filing: 1977-01-13
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Granted: —
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Expires: 1997-01-13
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Abstract

Abstract PURPOSE: To avert contacting of the main surface of a device directly to wax material and prevent contamination by using two kinds of dry type photosensitive resin films of different materials and facilitate treating pellets after holding them without separating to discrete pellets by treating the third resin film in the state of the substrate. COPYRIGHT: (C)1978,JPO&Japio

Inventors

  • 👤 Masaru Nakamura

Bibliographic Details

Application Number —
Jurisdiction JP
Data Source google_patents
Last Synchronized 2026-11-06 06:37
CPC Classifications
H; H10; H10W; H10W72/00

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