# US 2019/0377154 A1 · Voice coil motor > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2019/0377154 A1 - Document ID: US20190377154A1 - Status: Published application - Kind: A1 - Application number: 16/101,707 - Filed: 2018-08-13 - Published: 2019-12-12 - Earliest claimed: 2018-06-12 - Assignees: Triple Win Technology(Shenzhen) Co.Ltd.; Hon Hai Precision Industry Co., Ltd. - Applicants: Triple Win Technology(Shenzhen) Co.Ltd.; Hon Hai Precision Industry Co., Ltd. - Inventors: LONG-FEI ZHANG; SHIN-WEN CHEN; XIAO-MEI MA; KUN LI - Web page: https://patentgrep.com/patent/US20190377154A1 ## CPC - G02B 7/04: with mechanism for focusing or varying magnification - G02B 7/08: adapted to co-operate with a remote control mechanism - G03B 2205/0069: using electromagnetic actuators, e.g. voice coils - 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) ## Abstract A voice coil motor of reduced thickness includes a pedestal and a housing. The side walls of the pedestal are formed with a metal sheet. The housing includes top and side plates, the side plates perpendicularly extending from an edge of the top plate. The side plate is notched, the housing covers the pedestal, and the at least one notch exposes a portion of the metal sheet for purposes of attachment between fixation area the housing and the pedestal fixation area. ## Claims ### Claim 1 A voice coil motor comprising: a pedestal comprising a side wall, the side wall being formed with a metal sheet; and a housing comprising a top plate and a side plate perpendicularly extending an edge of the top plate, wherein the side plate comprises at least one notch, the housing is covered on the pedestal, the at least one notch exposes portion of the metal sheet, the exposed metal sheet is formed as a fixation area, and the housing and the pedestal are welded together via the fixation area. ### Claim 2 (depends on 1) The voice coil motor of claim 1, wherein the side wall comprises four side surfaces connected sequentially, a first flange is formed on the side wall, the first flange on each side surface depressed toward bottom of the pedestal to form a cutout, and the cutout exposes central of each side surface. ### Claim 3 (depends on 2) The voice coil motor of claim 2, wherein the metal sheet is formed on the exposed central of each side surface. ### Claim 4 (depends on 2) The voice coil motor of claim 2, wherein the cutout comprises a stepping surface perpendicularly to the side surface, the metal sheet is formed on each stepping surface. ### Claim 5 (depends on 2) The voice coil motor of claim 2, wherein the pedestal comprises a top surface, the top surface comprises a number of guiding posts at each corner. ### Claim 6 (depends on 5) The voice coil motor of claim 5, wherein the voice coil motor further comprises a lower elastic member, the lower elastic member is mounted on the pedestal and set up on the guiding posts. ### Claim 7 (depends on 6) The voice coil motor of claim 6, wherein the voice coil motor further comprises a moveable frame, the moveable frame is placed on the lower elastic member, the moveable frame comprises a receiving through hole configured to receive a lens module, the moveable frame comprises a second flange surrounding the outer wall of the moveable frame. ### Claim 8 (depends on 7) The voice coil motor of claim 7, wherein the voice coil motor further comprises a wire coil, the wire coil is disposed on the second flange and surrounds the moveable frame. ### Claim 9 (depends on 8) The voice coil motor of claim 8, wherein bottom surface of the moveable frame comprises two fixation posts, and the two fixation posts extend away from bottom surface of the moveable frame. ### Claim 10 (depends on 9) The voice coil motor of claim 9, wherein the wire coil comprises a main body and two terminals electrically to the main body, the two terminals are set up on the two fixation posts. ### Claim 11 (depends on 10) The voice coil motor of claim 10, wherein the voice coil motor further comprises a group of magnets, the group of magnets comprises four magnets, and the group of magnets are arranged around the wire coil respectively. ### Claim 12 (depends on 5) The voice coil motor of claim 5, wherein the top plate opens an aperture, the housing comprises four insert sheets extending inwardly from the rim of the aperture, each insert sheet is arranged facing each interior corner and a length of each insert sheet along the central axis direction is less than a height of the housing. ### Claim 13 (depends on 12) The voice coil motor of claim 12, wherein further comprises an upper elastic member fixed with the top end of the moveable frame, the upper elastic member comprises a central through hole and four inserting holes surrounding the central through hole, and the insert sheet is located in the inserting holes. ### Claim 14 (depends on 13) The voice coil motor of claim 13, wherein further comprises a fixation frame, the fixation frame is substantially square and fixed between on an inner surface of the top plate and the upper elastic member. ### Claim 15 (depends on 1) The voice coil motor of claim 1, wherein the side plate comprises four lateral labs connected sequentially, lower end of each lateral lab is opened with two notches, and the two notches are spaced apart each other. ### Claim 16 (depends on 1) The voice coil motor of claim 1, wherein the pedestal is made from plastic. ### Claim 17 (depends on 1) The voice coil motor of claim 1, wherein the housing is made from metal.