JPS6464238A - Ultraviolet erasing type semiconductor storage device - Google Patents

Ultraviolet erasing type semiconductor storage device

Info

Publication number
JPS6464238A
JPS6464238A JP62221550A JP22155087A JPS6464238A JP S6464238 A JPS6464238 A JP S6464238A JP 62221550 A JP62221550 A JP 62221550A JP 22155087 A JP22155087 A JP 22155087A JP S6464238 A JPS6464238 A JP S6464238A
Authority
JP
Japan
Prior art keywords
ultraviolet rays
window
mounting
applying ultraviolet
storage device
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
JP62221550A
Other languages
Japanese (ja)
Inventor
Masahiro Hirota
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NEC Kyushu Ltd
Original Assignee
NEC Kyushu Ltd
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 by NEC Kyushu Ltd filed Critical NEC Kyushu Ltd
Priority to JP62221550A priority Critical patent/JPS6464238A/en
Publication of JPS6464238A publication Critical patent/JPS6464238A/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10W—GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
    • H10W72/00—Interconnections or connectors in packages
    • H10W72/851—Dispositions of multiple connectors or interconnections
    • H10W72/874—On different surfaces
    • H10W72/884—Die-attach connectors and bond wires

Landscapes

  • Lead Frames For Integrated Circuits (AREA)
  • Semiconductor Memories (AREA)
  • Non-Volatile Memory (AREA)

Abstract

PURPOSE:To read a display mark on mounting by leading out a peripheral type external electrode for a chip carrier to the side to which a window for applying ultraviolet rays is formed. CONSTITUTION:A chip carrier from which peripheral type external electrodes 2 are led out is set up as a package on the side to which a window 4 for applying ultraviolet rays is shaped. Consequently, the window 4 for applying ultraviolet rays is directed toward the mounting substrate side on mounting. Accordingly, display marks 9 imprinted onto the base of the package can be read, and a protective seal need not be stuck and the window for applying ultraviolet rays be protected. A hole may be bored previously to the mounting substrate for application requiring the application of ultraviolet rays after mounting.
JP62221550A 1987-09-03 1987-09-03 Ultraviolet erasing type semiconductor storage device Pending JPS6464238A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP62221550A JPS6464238A (en) 1987-09-03 1987-09-03 Ultraviolet erasing type semiconductor storage device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62221550A JPS6464238A (en) 1987-09-03 1987-09-03 Ultraviolet erasing type semiconductor storage device

Publications (1)

Publication Number Publication Date
JPS6464238A true JPS6464238A (en) 1989-03-10

Family

ID=16768477

Family Applications (1)

Application Number Title Priority Date Filing Date
JP62221550A Pending JPS6464238A (en) 1987-09-03 1987-09-03 Ultraviolet erasing type semiconductor storage device

Country Status (1)

Country Link
JP (1) JPS6464238A (en)

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