# US 10,763,735 B2 · Voice coil motor and electronic device having the same > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 10,763,735 B2 - Document ID: US10763735B2 - Status: Granted - Kind: B2 - Application number: 16/262,002 - Filed: 2019-01-30 - Published: 2020-05-21 - Granted: 2020-09-01 - Earliest claimed: 2018-11-15 - Assignees: Triple Win Technology(Shenzhen) Co. Ltd. - Applicants: Triple Win Technology(Shenzhen) Co. Ltd. - Inventors: Long-Fei Zhang; Shin-Wen Chen; Yu-Shuai Li; Kun Li - Web page: https://patentgrep.com/patent/US10763735B2 ## CPC - H02K 41/0356: {moving along a straight path} - G02B 7/08: adapted to co-operate with a remote control mechanism - G03B 3/10: Power-operated focusing - H02K 5/06: Cast metal casings - B23K 1/0006: {Exothermic brazing} - B23K 1/20: Preliminary treatment of work or areas to be soldered, e.g. in respect of a galvanic coating - B23K 26/22: Spot welding - G02B 7/04: with mechanism for focusing or varying magnification - G03B 5/00: Adjustment of optical system relative to image or object surface other than for focusing - G03B 13/34: Power focusing - G03B 2205/0046: Movement of one or more optical elements for zooming - G03B 2205/0069: using electromagnetic actuators, e.g. voice coils - H02K: DYNAMO-ELECTRIC MACHINES (dynamo-electric relays H01H53/00; conversion of DC or AC input power into surge output power {H03K3/53}) - G02B: OPTICAL ELEMENTS, SYSTEMS OR APPARATUS - G03B: APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR (optical parts of such apparatus G02B; photosensitive materials or processes for photographic purposes G03C; apparatus for processing exposed photographic materials G03D) - B23K: SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM ## Abstract A voice coil motor includes a housing, a cover plate, an upper elastic member; a movable assembly, an immovable assembly, a lower elastic member, and a base cooperating with the housing to receive the cover plate, the upper elastic member, the movable assembly, the immovable assembly, and the lower elastic member. The base is made of laser direct structuring material. A metal layer is formed on a region of the base connecting the housing by Laser Direct Structuring processes, and the metal layer is fixed on the housing by laser welding or solder paste spot welding. The disclosure also provides an electronic device having the voice coil motor. ## Claims ### Claim 1 A voice coil motor comprising: a housing; a cover plate; an upper elastic member; a movable assembly; an immovable assembly; a lower elastic member; and a base cooperating with the housing to receive the cover plate, the upper elastic member, the movable assembly, the immovable assembly, and the lower elastic member; wherein the base is made of laser direct structuring material, a metal layer is formed on a region of the base connecting the housing by Laser Direct Structuring processes, the base comprises a supporting surface and a bottom surface facing away from the supporting surface, the base further comprises protrusion portions each extending from a periphery of the supporting surface toward a direction facing away from the bottom surface, the metal layer is formed on each of the protrusion portions, the metal layer is fixed to each of the sidewalls of the housing by laser welding. ### Claim 2 (depends on 1) The voice coil motor of claim 1, wherein the voice coil motor further comprises a glue filled between the base and the housing. ### Claim 3 (depends on 1) The voice coil motor of claim 1, wherein the housing comprises a top plate and four sidewalls each perpendicularly extending from the periphery of the top plate, at least one groove is defined on an end portion of each of the four sidewalls facing away from the top plate, each of the four sidewalls is fixed to the base at the groove by solder paste spot welding. ### Claim 4 (depends on 3) The voice coil motor of claim 3, wherein at least two protrusion parts protrude from the end portion of each of the four sidewalls facing away from the top plate toward a direction facing away from the top plate, the at least two protrusion parts are spaced from each other, each of the at least one groove is defined between adjacent two of the protrusion parts of each of the four sidewalls. ### Claim 5 (depends on 4) The voice coil motor of claim 4, wherein three protrusion parts are formed on each of the four sidewalls and spaced from each other, an area of the protrusion part in the middle of each of the sidewalls is greater than an area of the protrusion part on either side of the protrusion part in the middle. ### Claim 6 (depends on 1) The voice coil motor of claim 1, wherein the housing is made of metal material. ### Claim 7 (depends on 1) The voice coil motor of claim 1, wherein the housing is made of laser direct structuring material, and the housing comprises a metallized inner surface formed by Laser Direct Structuring processes. ### Claim 8 (depends on 7) The voice coil motor of claim 7, wherein the base further comprises side surfaces each connecting the periphery of the supporting surface and a periphery of the bottom surface, the metal layer is formed on each of the side surfaces. ### Claim 9 (depends on 8) The voice coil motor of claim 8, wherein the base further comprises protrusion portions each extending from the periphery of the supporting surface toward a direction facing away from the bottom surface, each of the protrusion portions is fixed to a corresponding one of the sidewalls of the housing by a glue. ### Claim 10 An electronic device comprising: a voice coil motor comprising: a housing, a cover plate; an upper elastic member; a movable assembly; an immovable assembly; a lower elastic member; and a base cooperating with the housing to receive the cover plate, the upper elastic member, the movable assembly, the immovable assembly, and the lower elastic member; wherein the base is made of laser direct structuring material, a metal layer is formed on a region of the base connecting the housing by Laser Direct Structuring processes, the base comprises a supporting surface and a bottom surface facing away from the supporting surface, the base further comprises protrusion portions each extending from a periphery of the supporting surface toward a direction facing away from the bottom surface, the metal layer is formed on each of the protrusion portions, the metal layer is fixed to each of the sidewalls of the housing by laser welding. ### Claim 11 (depends on 10) The electronic device of claim 10, wherein the voice coil motor further comprises a glue filled between the base and the housing. ### Claim 12 (depends on 10) The electronic device of claim 10, wherein the housing comprises a top plate and four sidewalls each perpendicularly extending from the periphery of the top plate, at least one groove is defined on an end portion of each of the four sidewalls facing away from the top plate, each of the four sidewalls is fixed to the base at the groove by solder paste spot welding. ### Claim 13 (depends on 12) The electronic device of claim 12, wherein at least two protrusion parts protrude from the end portion of each of the four sidewalls facing away from the top plate toward a direction facing away from the top plate, the at least two protrusion parts are spaced from each other, each of the at least one groove is defined between two adjacent protrusion parts of each of the four sidewalls. ### Claim 14 (depends on 13) The electronic device of claim 13, wherein three protrusion parts are formed on each of the four sidewalls and spaced from each other, an area of the protrusion part in the middle of each of the sidewalls is greater than an area of the protrusion part on either side of the protrusion part in the middle. ### Claim 15 (depends on 10) The electronic device of claim 10, wherein the housing is made of metal material. ### Claim 16 (depends on 10) The electronic device of claim 10, wherein the housing is made of laser direct structuring material, and the housing comprises a metallized inner surface formed by Laser Direct Structuring processes. ### Claim 17 (depends on 16) The electronic device of claim 16, wherein the base further comprises side surfaces each connecting the periphery of the supporting surface and a periphery of the bottom surface, the metal layer is formed on each of the side surfaces. ### Claim 18 (depends on 17) The electronic device of claim 17, wherein the base further comprises protrusion portions each extending from the periphery of the supporting surface toward a direction facing away from the bottom surface, each of the protrusion portions is fixed to a corresponding one of the sidewalls of the housing by a glue.