Electronic device

• US 10,374,345 B2
• Filed: 03/08/2018
• Issued: 08/06/2019
• Est. Priority Date: 05/19/2017
• Status: Active Grant

• Current Assignee: Kabushiki Kaisha Toshiba (Toshiba Corporation), Toshiba Electronic Devices & Storage Corporation (Toshiba Corporation)
• Original Assignee: Toshiba Memory Corporation (Kioxia Corporation)
• Inventors: Yamamoto, Nobuhiro, Tokuda, Kota
• Primary Examiner(s): Aychillhum, Andargie M
• Application Number:
  US15/915,707
• Publication Number:
  US 20180337477A1
• Time in Patent Office: 516 Days
• Field of Search: 361749, 361748
• CPC Class Codes: G11B 25/043 using rotating discs
• CPC Class Codes: G11B 33/022 Cases
• CPC Class Codes: G11B 33/122 Arrangements for providing electrical connections, e.g. connectors, cables, switches
• CPC Class Codes: H01R 12/78 connecting to other flexible printed circuits, flat or ribbon cables or like structures
• CPC Class Codes: H01R 12/79 connecting to rigid printed circuits or like structures
• CPC Class Codes: H01R 13/2407 characterized by the resilient means
• CPC Class Codes: H05K 1/028 Bending or folding regions of flexible printed circuits H05K1/0283 takes precedence
• CPC Class Codes: H05K 1/118 specially for flexible printed circuits, e.g. using folded portions
• CPC Class Codes: H05K 1/147 at least one of the printed circuits being bent or folded, e.g. by using a flexible printed circuit H05K1/148 takes precedence
• CPC Class Codes: H05K 1/189 characterised by the use of a flexible or folded printed circuit H05K3/326 takes precedence
• CPC Class Codes: H05K 2201/042 Stacked spaced PCBs; Planar parts of folded flexible circuits having mounted components in between or spaced from each other
• CPC Class Codes: H05K 2201/056 Folded around rigid support or component
• CPC Class Codes: H05K 2201/09409 Multiple rows of pads, lands, terminals or dummy patterns; Multiple rows of mounted components
• CPC Class Codes: H05K 2201/10189 Non-printed connector
• CPC Class Codes: H05K 3/365 by abutting, i.e. without alloying process
• CPC Class Codes: H05K 5/0247 Electrical details of casings, e.g. terminals, passages for cables or wiring
• CPC Class Codes: H05K 5/065 sealed by encapsulation, e.g. waterproof resin forming an integral casing, injection moulding
• CPC Class Codes: H05K 5/069 Other details of the casing, e.g. wall structure, passage for a connector, a cable, a shaft

Abstract

According to one embodiment, an electronic device includes a casing, a flexible wiring member, and a first electrical component, for example. The casing is provided with an opening. The flexible wiring member includes an insulating film, a lead mounted on the insulating film, and a connection terminal, and extends through the opening. The sealant is filled in the opening. The first electrical component is encapsulated by the casing and electrically connected to a second electrical component outside the casing through the flexible wiring member.

Claims

1. An electronic device comprising:

a casing provided with an opening;

a first flexible wiring member comprising an insulating film, a lead mounted on the insulating film, and a connection terminal, wherein the first flexible wiring member extends through the opening;

a sealant filling the opening;

a second flexible wiring member encapsulated by the casing and electrically connected to the first flexible wiring member, the second flexible wiring member comprising a connector to the connection terminal of the first flexible wiring member; and

a first electrical component encapsulated by the casing and electrically connected to a second electrical component outside the casing through the first flexible wiring member and the second flexible wiring member.

2. The electronic device according to claim 1, wherein the first electrical component is hermetically sealed with the casing, the first flexible wiring member, and the sealant.

3. The electronic device according to claim 1, wherein the first flexible wiring member comprises a third flexible wiring member and a fourth flexible wiring member which extend in a direction away from each other in at least inside or outside of the casing.

4. The electronic device according to claim 3, wherein the third flexible wiring member and the fourth flexible wiring member are coupled in the opening.

5. The electronic device according to claim 4, further comprising:

a connection interposed between and coupling the third flexible wiring member and the fourth flexible wiring member in the opening.

6. The electronic device according to claim 5, wherein the third flexible wiring member and the fourth flexible wiring member are electrically connected through a conductive portion which extends through a via in the connection.

7. The electronic device according to claim 1, wherein the first flexible wiring member and the second flexible wiring member are flexible printed circuit boards.

8. The electronic device according to claim 1, wherein the connection terminal of the first flexible wiring member comprises a first connection terminal inside of the casing and a second connection terminal outside of the casing.

9. The electronic device according to claim 8, wherein the first connection terminal is electrically connected to a connection terminal of the second flexible wiring member.

10. The electronic device according to claim 8, wherein the first flexible wiring member is provided on an inside surface and an outside surface of the casing.

11. An electronic device comprising:

a casing provided with an opening;

a partition wall provided above the opening and positioned inside or outside an outer face of the casing;

a flexible wiring member fixed at least partially to the partition wall, comprising a first part exposed to outside the casing and a second part exposed to inside the casing, the flexible wiring member extending through a gap between the partition wall and the casing;

a first electrical component accommodated in the casing and electrically connected to a second electrical component outside the casing through the flexible wiring member; and

a sealant filling the gap.

12. The electronic device according to claim 11, wherein the flexible wiring member comprises a first fixed part fixed to an outer face of the partition wall, and a second fixed part fixed to an inner face of the partition wall.

13. The electronic device according to claim 12, wherein the flexible wiring member is connected to the second electrical component with a spacing from the first fixed part, or is connected to the first electrical component with a spacing from the second fixed part.

14. An electronic device comprising:

a casing provided with an opening;

a partition wall provided above the opening;

a flexible wiring member fixed at least partially to the partition wall, comprising a first part exposed to outside the casing and a second part exposed to inside the casing; and

a first electrical component accommodated in the casing and electrically connected to a second electrical component outside the casing through the flexible wiring member, wherein

the flexible wiring member comprises a first fixed part fixed to an outer face of the partition wall, and a second fixed part fixed to an inner face of the partition wall,

the flexible wiring member comprises a first flexible wiring member and a second flexible wiring member that are coupled to each other,

the first fixed part of the first flexible wiring member and the first fixed part of the second flexible wiring member extend from a joint between the first flexible wiring member and the second flexible wiring member in a direction away from each other, and

the second fixed part of the first flexible wiring member and the second fixed part of the second flexible wiring member extend from the joint in a direction away from each other.

15. The electronic device according to claim 14, wherein

the partition wall is bonded to the flexible wiring member, and

the flexible wiring member comprises a conductor layer positioned so as to overlap with an end of a bonded region between the flexible wiring member and the partition wall.

16. The electronic device according to claim 15, wherein the flexible wiring member comprises the conductor layer at a peripheral edge or at an overlapping position with a peripheral edge of the partition wall in a thickness direction of the flexible wiring member.

17. The electronic device according to claim 15, wherein the conductor layer is spaced away from a bent part of the flexible wiring member.