Plate-shaped external storage device and method of producing the same

• US 6,274,926 B1
• Filed: 05/21/1999
• Issued: 08/14/2001
• Est. Priority Date: 04/28/1993
• Status: Expired due to Fees

• Current Assignee: Kabushiki Kaisha Toshiba (Toshiba Corporation), Toshiba Corporation
• Original Assignee: Kabushiki Kaisha Toshiba (Toshiba Corporation)
• Inventors: Iwasaki, Hiroshi
• Primary Examiner(s): Loke, Steven
• Application Number:
  US09/315,986
• Time in Patent Office: 816 Days
• Field of Search: 257/679, 257/690, 257/693, 257/698, 257/727, 257/730, 365/218
• US Class Current: 257/679
• CPC Class Codes: G06K 19/07743 External electrical contacts
• CPC Class Codes: H01L 21/565 Moulds
• CPC Class Codes: H01L 2224/45099 Material
• CPC Class Codes: H01L 2224/48091 Arched
• CPC Class Codes: H01L 2224/48247 connecting the wire to a bond pad of the item
• CPC Class Codes: H01L 2224/49171 Fan-out arrangements
• CPC Class Codes: H01L 23/3107 the device being completely enclosed
• CPC Class Codes: H01L 23/49805 the leads being also applied on the sidewalls or the bottom of the substrate, e.g. leadless packages for surface mounting
• CPC Class Codes: H01L 24/48 of an individual wire connector
• CPC Class Codes: H01L 24/49 of a plurality of wire connectors
• CPC Class Codes: H01L 2924/00 Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
• CPC Class Codes: H01L 2924/00012 Relevant to the scope of the group, the symbol of which is combined with the symbol of this group
• CPC Class Codes: H01L 2924/00014 the subject-matter covered by the group, the symbol of which is combined with the symbol of this group, being disclosed without further technical details
• CPC Class Codes: H01L 2924/01057 Lanthanum [La]
• CPC Class Codes: H01L 2924/14 Integrated circuits
• CPC Class Codes: H01L 2924/181 Encapsulation

Abstract

An external storage device includes a storage medium series element containing at least a non-volatile memory device and external connection terminals connected to input/output terminals of the storage medium series element. An insulator molds the series element and terminals into a plate to form a plate-shaped external storage device. The terminals may be exposed in concavities or in a plane on a peripheral surface of the external storage device.

Claims

1. An external storage device unit comprising:

a plate-shaped external storage device for recording and saving data, said plate-shaped external storage device comprising a storage medium series element containing at least a non-volatile semiconductor memory device having input/output terminals, external connection terminals formed on a main surface of the plate-shaped storage device and electrically connected to the input/output terminals, and an insulating body coating and sealing the storage medium series element and the external connection terminals unitarily into a molded plate to form a plate-shaped external storage device, end surfaces of the external connection terminals being exposed in concavities on a main surface of the plate-shaped storage device, the plate shaped storage device having a cut-off portion providing a mark for indicating a direction of a side of the plate-shaped storage device; and

an external storage device unit main having a recessed engaging section formed on a main surface thereof, the recessed engaging section having a shape configured to permit fitting of the insulating body in the recessed engaging section, and the recessed engaging section having electric contacts on a surface thereof for resiliently connecting or disconnecting to or from the external connection terminals, such that the external storage device is engaged, attached, and detached to and from the recessed engaging section of the external storage device unit main by one touch operation.

2. An external storage device unit as claimed in claim 1, wherein the non-volatile semiconductor memory device is a NAND type flash memory device.

3. An external storage device unit as claimed in claim 2, wherein the external storage device unit main comprises a control circuit for the external storage device.

4. An external storage device unit as claimed in claim 1, wherein the insulating body is formed of an epoxy resin.

5. An external storage device unit as claimed in claim 1, wherein the external storage device unit main has a card shape.