公开(公告)号：US20210039149A1

公开(公告)日：2021-02-11

申请号：US16986174

申请日：2020-08-05

Applicant: Samsung Electronics Co., Ltd.

Inventor： Sungtae PARK ,  Myounghun KIM ,  Sangjun PARK ,  Won JU ,  Jungsoo LIM ,  Kookjeong SEO

IPC: B21C23/08 ,  B21C23/00

Abstract: An extrusion apparatus and a method for manufacturing an aluminum capillary tube using the same are provided. The extrusion apparatus includes a container, a housing mold provided on one side of the container and including a plurality of dies formed with a plurality of holes, and a ram pressing an aluminum billet accommodated in the container in a direction from another side to the one side of the container so that the aluminum billet accommodated in the container is extruded into a plurality of aluminum capillary tubes having cross-sectional shapes corresponding to the plurality of holes, and the number of the plurality of holes is determined based on an inner diameter of the container and a diameter of each of the plurality of holes.

公开(公告)号：US20210340647A1

公开(公告)日：2021-11-04

申请号：US17271791

申请日：2019-09-04

Applicant: Samsung Electronics Co., Ltd.

Inventor： Sungtae PARK ,  Sangjun PARK ,  Won JU ,  Jungsoo LIM

IPC: C22C21/00

Abstract: The present disclosure relates to an aluminum alloy having chloride resistance and corrosion resistance against harmful gas environments as well as processability to the extent of undergoing extrusion and drawing. The aluminum alloy according to the present disclosure comprise 0.1-4.5 wt % of Mg, 0.1-0.60 wt % of Zn, 0.05-0.1 wt % of Fe, 0.05-0.1 wt % of Si, and the balance Al.

公开(公告)号：US20240082904A1

公开(公告)日：2024-03-14

申请号：US18220527

申请日：2023-07-11

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Sungmin CHO ,  Yurim PARK ,  Youngdeog KOH ,  Sangjun PARK ,  Sungtae PARK ,  Jungsoo LIM ,  Suhyeon HAN

IPC: B21D53/06 ,  B21D9/04

CPC classification number: B21D53/06 ,  B21D9/04

Abstract: An apparatus for manufacturing a heat exchanger including a refrigerant tube, the apparatus including a moving rod movable along a first direction; and a tube expansion body connected to the moving rod to be linearly movable along the first direction, the tube expansion body insertable into a tube base material of the refrigerant tub such that the tube base material is expanded outward when the tube expansion body is inserted into the tube base material of the refrigerant tube, wherein the tube expansion body includes a plurality of groove forming protrusions formed on an outer surface of the tube expansion body so as to extend along a direction inclined with respect to the first direction, the groove forming protrusions form a plurality of grooves on an inner surface of the tube base material, when the tube expansion body is moved to be inserted into the tube base material.

公开(公告)号：US20210292874A1

公开(公告)日：2021-09-23

申请号：US17265962

申请日：2019-08-23

Applicant: Samsung Electronics Co., Ltd.

Inventor： Sungtae PARK ,  Sangjun PARK ,  Won JU ,  Jungsoo LIM

IPC: C22C21/02 ,  C22C1/03 ,  B22D21/00 ,  D06F37/20

Abstract: Provided is an aluminum alloy for die casting. The aluminum alloy includes: 3-10 wt % silicon (Si); 0.1-2.0 wt % magnesium (Mg); 0.01-1.3 wt % iron (Fe); 0.01-2.0 wt % zinc (Zn); 0.01-1.5 wt % copper (Cu); 0.01-0.5 wt % manganese (Mn); 0.01-0.5 wt % chrome (Cr); 0.01˜2.0 wt % lanthanum (La); 0.0˜12.0 wt % cerium (Ce); 0.0˜12.0 wt % strontium (Sr); rest aluminum (Al); and unavoidable impurities. The aluminum alloy is improved in not only corrosion-resistance but also physical properties.

公开(公告)号：US20220302722A1

公开(公告)日：2022-09-22

申请号：US17551793

申请日：2021-12-15

Applicant: Samsung Electronics Co., Ltd.

Inventor： Sungtae PARK ,  Minki KIM ,  Kicheol BAE ,  Yongjae SONG ,  Hyelim YUN ,  Woosung JANG

IPC: H02J7/00 ,  H01Q7/00 ,  H02J50/10 ,  H05K1/18 ,  H05K1/14 ,  H05K1/11 ,  H05K5/00

Abstract: An electronic device is provided. The electronic device includes a first circuit board, an antenna member disposed to face one surface of the first circuit board, an electronic module disposed between the first circuit board and the antenna member and including a plurality of contact protrusions disposed to face the antenna member, and a plurality of contact members disposed on the antenna member and configured to electrically contact one of the plurality of contact protrusions. As the antenna member generates an induced current in reaction to an external electrical signal or an external electromagnetic field, the electronic module may be configured to supply power using the induced current generated by the antenna member.

公开(公告)号：US20210098911A1

公开(公告)日：2021-04-01

申请号：US17061461

申请日：2020-10-01

Applicant: Samsung Electronics Co., Ltd.

Inventor： Minki KIM ,  Byunghoon LEE ,  Min PARK ,  Sungtae PARK ,  Jungmin PARK ,  Yongjae SONG ,  Hongshin SHIN ,  Woosung Jang ,  Chulwoo PARK ,  Chihyun CHO

IPC: H01R12/62 ,  H05K1/14

Abstract: An electronic device includes a housing; a first circuit board, and a flexible circuit board. The first circuit board is disposed in an internal space of the housing and includes a plurality of first conductive terminals. The flexible circuit board includes a first connection portion including a plurality of second conductive terminals configured to connect to the plurality of first conductive terminals. The flexible circuit board also includes a connection portion extended from the first connection portion, and at least one conductive layer extended from the connection portion to at least a portion of the first connection portion. Additionally, the flexible circuit board includes at least one transmissive area in which light may be transmitted and the at least one conductive layer is at least partially omitted. At least some of the plurality of second conductive terminals are visible from the outside through the at least one transmissive area.