PRINTED CIRCUIT BOARD FOR COB IC CARD AND METHOD OF TREATING SURFACE OF THE PRINTED CIRCUIT BOARD FOR THE COB IC CARD

    公开(公告)号:US20240431035A1

    公开(公告)日:2024-12-26

    申请号:US18744851

    申请日:2024-06-17

    Abstract: A method of treating a surface of a printed circuit board (PCB) for a chip on board (COB) integrated circuit (IC) card includes generating a flexible copper foil laminated film by laminating copper foils on opposite sides of an insulating layer, forming a circuit pattern layer on opposite sides of the flexible copper foil laminated film, laminating nickel through electroplating on the opposite sides of the flexible copper foil laminated film having formed thereon the circuit pattern layer, and electroplating a copper-tin (CuSn) compound layer on a contact side on which the flexible copper foil laminated film having electroplated thereon nickel is exposed to outside.

    REEL-TO-REEL CIRCUIT BOARD MANUFACTURING APPARATUS

    公开(公告)号:US20230102076A1

    公开(公告)日:2023-03-30

    申请号:US17932128

    申请日:2022-09-14

    Inventor: Chonghan PARK

    Abstract: A reel-to-reel circuit board manufacturing apparatus according to an embodiment of the present disclosure includes: a roller having a cylindrical shape, configured to rotate, and on which a substrate is wound; and a film body that is formed between the roller and the substrate to surround a surface of the roller and is rotatable, wherein the roller and the film body are separately rotated from each other.

    WORKING TABLE FOR REEL-TO-REEL PROCESS

    公开(公告)号:US20230083630A1

    公开(公告)日:2023-03-16

    申请号:US17823984

    申请日:2022-09-01

    Inventor: Jongwoo Park

    Abstract: A working table for a reel-to-reel process includes: a supply reel configured to supply a workpiece; a collection reel configured to collect the workpiece after the workpiece is processed; a base on which the supply reel and the collection reel are installed; a processing workbench installed on the base to process the workpiece thereon; at least one balance adjuster installed on the base and configured to be moved according to weight variations of the supply reel and the collection reel; a balance drive unit configured to drive the at least one balance adjuster; and a controller configured to control the balance drive unit.

    Flexible semiconductor package formed by roll-to-roll process

    公开(公告)号:US11139220B2

    公开(公告)日:2021-10-05

    申请号:US16854679

    申请日:2020-04-21

    Abstract: A flexible semiconductor package includes a semiconductor chip accommodated in a cavity formed in a substrate, a molding layer covering an entire upper surface of the substrate and the cavity, and a wiring portion including an insulating layer and a redistribution member provided under lower surfaces of the substrate and the semiconductor chip, wherein the molding layer includes a pre-preg in which a resin is impregnated with a glass fabric, and the molding layer and the insulating layer are attached to the semiconductor chip accommodated in the cavity by a roll-to-roll continuous process.

    Proximity sensor having substrate including light sensing area and temperature sensing area

    公开(公告)号:US10749066B2

    公开(公告)日:2020-08-18

    申请号:US16183429

    申请日:2018-11-07

    Abstract: A proximity sensor includes a circuit board; a light-emitting element and a light-receiving element on the circuit board; a light barrier; molding portions; and a transparent board disposed on the molding portions and configured to form an air gap with the light-receiving element. The light-receiving element includes: a substrate having a light sensing area and a temperature sensing area; a first input electrode and a first output electrode which are aligned in the light sensing area and apart from each other with a first delay gap therebetween; a sensing film covering at least some portions of the first input electrode and the first output electrode; and a second input electrode and a second output electrode which are aligned in the temperature sensing area and apart from each other with a second delay gap therebetween. The second delay gap is exposed to air.

    Temperature sensor patch and adhesive type thermometer including the same

    公开(公告)号:US10739205B2

    公开(公告)日:2020-08-11

    申请号:US15651374

    申请日:2017-07-17

    Abstract: Provided is a temperature sensor patch including: a base material having a lower surface that is an adhesive surface; a temperature sensor layer arranged on the base material, and including a temperature sensor at a side thereof and a connection terminal connected to the temperature sensor at the other side thereof; a cover layer configured to cover the temperature sensor layer and including a first opening exposing the connection terminal; and a module holder disposed inside the first opening, wherein a portion of the temperature sensor layer, where the connection terminal is arranged, is disposed on the module holder.

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