JPH02129741U - - Google Patents

Info

Publication number
JPH02129741U
JPH02129741U JP3894589U JP3894589U JPH02129741U JP H02129741 U JPH02129741 U JP H02129741U JP 3894589 U JP3894589 U JP 3894589U JP 3894589 U JP3894589 U JP 3894589U JP H02129741 U JPH02129741 U JP H02129741U
Authority
JP
Japan
Prior art keywords
eprom
light
light irradiation
erasing device
light source
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.)
Granted
Application number
JP3894589U
Other languages
English (en)
Other versions
JPH0739245Y2 (ja
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 JP3894589U priority Critical patent/JPH0739245Y2/ja
Publication of JPH02129741U publication Critical patent/JPH02129741U/ja
Application granted granted Critical
Publication of JPH0739245Y2 publication Critical patent/JPH0739245Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Semiconductor Memories (AREA)
  • Non-Volatile Memory (AREA)

Description

【図面の簡単な説明】
第1図は本考案の一実施例のEPROMの消去
装置の構成を示す図、第2図は第1図のアダプタ
ーを示す図、第3図は第1図のEPROMの消去
装置のアダプターを取り外した状態を示す図、第
4図は従来のEPROMの消去装置の構成を示す
図である。 11……筐体、12……EPROM、12a…
…光照射窓、13……凹部、14……光源、15
……円孔、16……アダプター、17……Oリン
グ、20……基板。

Claims (1)

  1. 【実用新案登録請求の範囲】 光源からの光をEPROMの光照射窓に照射し
    て該EPROM内に書き込まれている情報を消去
    するEPROMの消去装置において、 前記光源からの光の照射領域を、ほぼ前記光照
    射窓の部位のみに制限する機構を備えたことを特
    徴とするEPROMの消去装置。
JP3894589U 1989-03-31 1989-03-31 Epromの消去装置 Expired - Lifetime JPH0739245Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3894589U JPH0739245Y2 (ja) 1989-03-31 1989-03-31 Epromの消去装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3894589U JPH0739245Y2 (ja) 1989-03-31 1989-03-31 Epromの消去装置

Publications (2)

Publication Number Publication Date
JPH02129741U true JPH02129741U (ja) 1990-10-25
JPH0739245Y2 JPH0739245Y2 (ja) 1995-09-06

Family

ID=31547404

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3894589U Expired - Lifetime JPH0739245Y2 (ja) 1989-03-31 1989-03-31 Epromの消去装置

Country Status (1)

Country Link
JP (1) JPH0739245Y2 (ja)

Also Published As

Publication number Publication date
JPH0739245Y2 (ja) 1995-09-06

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