# US 10,122,141 B1 · Method for manufacturing electrical connector > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 10,122,141 B1 - Document ID: US10122141B1 - Status: Granted - Kind: B1 - Application number: 15/869,663 - Filed: 2018-01-12 - Granted: 2018-11-06 - Earliest claimed: 2017-06-16 - Assignees: Lotes Co., Ltd - Applicants: Lotes Co., Ltd - Inventors: Yung Sheng Kung; Yu Sheng Chen - Web page: https://patentgrep.com/patent/US10122141B1 ## CPC - H01R 43/0256: {for soldering or welding connectors to a printed circuit board} - B23K 1/0016: {Soldering of electronic components} - B23K 3/0623: {for shaped solder piece feeding, e.g. preforms, bumps, balls, pellets, droplets} - B23K 3/08: Auxiliary devices therefor - H01R 43/16: for manufacturing contact members, e.g. by punching and by bending - H05K 3/3436: {having an array of bottom contacts, e.g. pad grid array or ball grid array components} - H10W 70/644: {Elastic or compliant interconnections, e.g. springs, cantilevers or elastic pads} - H10W 78/00: Detachable holders for supporting packaged chips in operation - B23K 2101/42: Printed circuits - H01R 4/024: {comprising preapplied solder} - H01R 43/0235: {for applying solder (H01R43/0228 takes precedence)} - H01R 43/0263: {for positioning or holding parts during soldering or welding process} - H01R 43/205: {with a panel or printed circuit board} - H05K 2201/10189: Non-printed connector - H10W 70/635: {Through-vias} - H10W 90/701: {characterised by the relative positions of pads or connectors relative to package parts} - Y02P 70/50: Manufacturing or production processes characterised by the final manufactured product - H01R: ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS - 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 - H05K: PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS - H10W: GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10 - Y02P: CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS ## Abstract A method for manufacturing an electrical connector, including: S1: providing a bearing tray, where the bearing tray is concavely provided with multiple holding slots at intervals; S2: providing multiple solders correspondingly placed in the multiple holding slots; S3: heating the bearing tray, so as to soften the solders; S4: providing an insulating body and multiple terminals disposed at the insulating body, where each of the terminals has a soldering portion exposed from the insulating body, and moving the insulating body and the terminals entirely to the bearing tray, so that the soldering portion of each of the terminals is correspondingly inserted into a corresponding one of the softened solders; and S5: sticking the solder to the soldering portion, moving the insulating body away from above the bearing tray, and separating the solders from the bearing tray. The electrical connector has good electrical connection performance. ## Claims ### Claim 1 A method for manufacturing an electrical connector, comprising: S1: providing a bearing tray, wherein the bearing tray is concavely provided with a plurality of holding slots at intervals; S2: providing a plurality of solders correspondingly placed in the holding slots; S3: heating the bearing tray, so as to soften the solders; S4: providing an insulating body and a plurality of terminals disposed at the insulating body, wherein each of the terminals has a soldering portion exposed from the insulating body, and moving the insulating body and the terminals entirely to the bearing tray, so that the soldering portion of each of the terminals is correspondingly inserted into a corresponding one of the softened solders; and S5: sticking the solders to the soldering portions, moving the insulating body away from above the bearing tray, and separating the solders from the bearing tray. ### Claim 2 (depends on 1) The method for manufacturing an electrical connector according to claim 1, wherein in step S5, the insulating body is first moved away from above the bearing tray, and after the soldering portions bring the solders out of the holding slots, the solders are then cooled and cured, and the solders are fixedly connected to the soldering portions. ### Claim 3 (depends on 1) The method for manufacturing an electrical connector according to claim 1, wherein in step S5, the bearing tray is first stopped from being heated, and after the solders are cooled and cured in the holding slots, the solders are fixedly connected to the soldering portions, and then the insulating body is moved away from above the bearing tray. ### Claim 4 (depends on 1) The method for manufacturing an electrical connector according to claim 1, wherein in step S4, the soldering portions are inserted into the solders, and the solders wrap around the soldering portions. ### Claim 5 (depends on 1) The method for manufacturing an electrical connector according to claim 1, wherein in step S4, the soldering portions are inserted into edges of the solders, and at least one side surface of each of the soldering portions is exposed from the corresponding one of the solder. ### Claim 6 (depends on 1) The method for manufacturing an electrical connector according to claim 1, wherein each of the holding slots has a bottom surface, the bottom surface is an arc surface, and lowest points of the bottom surfaces are all located on a same horizontal plane; and after step S3, a bottom portion of each of the solders is correspondingly in contact with the lowest point of the bottom surface of each of the holding slots. ### Claim 7 (depends on 1) The method for manufacturing an electrical connector according to claim 1, wherein each of the holding slots has a bottom surface, each of the bottom surfaces is a flat surface, and the bottom surfaces of the holding slots are all located on a same horizontal plane; and after step S3, a bottom portion of each of the solders is correspondingly in contact with the bottom surface of each of the holding slots. ### Claim 8 (depends on 1) The method for manufacturing an electrical connector according to claim 1, wherein in step S4, the soldering portion protrudes from a lower surface of the insulating body, a standing leg is protrudingly provided downward from each of two sides of the lower surface of the insulating body, and a bottom end of the standing leg is lower than a lower end of the soldering portion and higher than a bottom end of each of the solders. ### Claim 9 (depends on 1) The method for manufacturing an electrical connector according to claim 1, wherein in step S4, an upper surface of the insulating body is downward concavely provided with a plurality of terminal slots, a lower surface of the insulating body is further upward concavely provided with a plurality of grooves corresponding to the terminal slots, a width of each of the grooves is greater than a width of each of the terminal slots, each of the terminals is fixed to a corresponding one of the terminal slots, the soldering portion of each of the terminals extends downward into a corresponding one of the grooves, a lower end of the soldering portion is higher than the lower surface of the insulating body, and each of the solders partially enters one of the grooves, so that the soldering portions are inserted into the solders. ### Claim 10 (depends on 1) The method for manufacturing an electrical connector according to claim 1, wherein in step S3, a temperature for heating the bearing tray is lower than a melting point of the solders. ### Claim 11 (depends on 1) The method for manufacturing an electrical connector according to claim 1, wherein in step S3, the bearing tray is heated by high-frequency current induction. ### Claim 12 (depends on 1) The method for manufacturing an electrical connector according to claim 1, wherein in step S1, the bearing tray is made of a solder-resistant plate material. ### Claim 13 (depends on 1) The method for manufacturing an electrical connector according to claim 1, wherein in step S1, each outer surface of the bearing tray is coated with a solder-resistant layer. ### Claim 14 (depends on 1) The method for manufacturing an electrical connector according to claim 1, wherein in step S4, each of the terminals defines a base portion fixed in the insulating body, an elastic contact portion bends upward and extends from the base portion and protrudes from an upper surface of the insulating body, a connection portion is downward protrudingly provided on the base portion and protrudes from a lower surface of the insulating body, the soldering portion is formed by extending downward from the connection portion, and the connection portion is provided with a siphon-proof structure. ### Claim 15 (depends on 14) The method for manufacturing an electrical connector according to claim 14, wherein the siphon-proof structure is an oxidation layer plated on a surface of the connection portion, or a solder mask layer coated on the surface of the connection portion. ### Claim 16 (depends on 1) The method for manufacturing an electrical connector according to claim 1, wherein after step S5, the electrical connector is soldered to a circuit board, and when the soldering portions are soldered and fixed to the circuit board, the soldering portions are correspondingly inserted into the solders at different depths. ### Claim 17 (depends on 1) The method for manufacturing an electrical connector according to claim 1, wherein after step S5, the electrical connector is soldered to a circuit board, and when the soldering portions are soldered and fixed to the circuit board, heights of the solders are different. ### Claim 18 (depends on 1) The method for manufacturing an electrical connector according to claim 1, wherein the solders are solder balls, solder bars or solder pastes.