JPH0377451U - - Google Patents

Info

Publication number
JPH0377451U
JPH0377451U JP13827289U JP13827289U JPH0377451U JP H0377451 U JPH0377451 U JP H0377451U JP 13827289 U JP13827289 U JP 13827289U JP 13827289 U JP13827289 U JP 13827289U JP H0377451 U JPH0377451 U JP H0377451U
Authority
JP
Japan
Prior art keywords
semiconductor device
history information
manufacturing history
displayed
code
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP13827289U
Other languages
English (en)
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP13827289U priority Critical patent/JPH0377451U/ja
Publication of JPH0377451U publication Critical patent/JPH0377451U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Structures Or Materials For Encapsulating Or Coating Semiconductor Devices Or Solid State Devices (AREA)

Description

【図面の簡単な説明】
第1図は本考案の一実施例のSOT−23パツ
ケージトランズスタの上面図、第2図は本考案の
他の実施例のTO−92パツケージトランジスタ
の上面図である。 1……封止樹脂表面、2……品名、3……規格
、4……製造年、5……製造月、6……生産設備
名(1)、7……生産設備名(2)、8……特殊管理記
号。

Claims (1)

    【実用新案登録請求の範囲】
  1. 半導体装置の外表面である封止材料表面に製造
    履歴情報が表示されている半導体装置において、
    該製造履歴情報はレーザー光照射による微少照射
    跡を規則的に配置した符号から成ることを特徴と
    する半導体装置。
JP13827289U 1989-11-28 1989-11-28 Pending JPH0377451U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13827289U JPH0377451U (ja) 1989-11-28 1989-11-28

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13827289U JPH0377451U (ja) 1989-11-28 1989-11-28

Publications (1)

Publication Number Publication Date
JPH0377451U true JPH0377451U (ja) 1991-08-05

Family

ID=31685382

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13827289U Pending JPH0377451U (ja) 1989-11-28 1989-11-28

Country Status (1)

Country Link
JP (1) JPH0377451U (ja)

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