# US 10,321,565 B2 · Printed circuit board assembly and assembling method thereof > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 10,321,565 B2 - Document ID: US10321565B2 - Status: Granted - Kind: B2 - Application number: 15/667,964 - Filed: 2017-08-03 - Published: 2018-12-06 - Granted: 2019-06-11 - Earliest claimed: 2017-06-02 - Assignees: Delta Electronics, Inc. - Applicants: Delta Electronics, Inc. - Inventors: Ching-Chi Kuo; Yi-Hwa Hsieh - Web page: https://patentgrep.com/patent/US10321565B2 ## CPC - H05K 1/115: {Via connections; Lands around holes or via connections (H05K1/112 takes precedence)} - H05K 1/181: associated with surface mounted components - H05K 1/184: associated with components inserted in holes through the PCBs and wherein terminals of the components are connected to printed contacts on the walls of the holes or at the edges thereof or protruding over or into the holes - H05K 3/301: {by means of a mounting structure (H05K3/325 takes precedence)} - H05K 3/303: with surface mounted components (H05K3/32 takes precedence) - H05K 3/306: with lead-in-hole components (H05K3/32 takes precedence) - H05K 7/20: Modifications to facilitate cooling, ventilating, or heating - H05K 7/20445: {the coupling element being an additional piece, e.g. thermal standoff} - H05K 7/209: {Heat transfer by conduction from internal heat source to heat radiating structure (H05K7/20909 takes precedence)} - H05K 1/0203: {Cooling of mounted components (H05K1/0272 takes precedence)} - H05K 3/3447: Lead-in-hole components - H05K: PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS ## Abstract A printed circuit board assembly includes a printed circuit board, at least one electronic device, a holder and a heat-dissipation device. The printed circuit board includes at least one first through hole. The electronic device includes a first surface, a second surface and at least one pin. The first surface and the second surface are opposite to each other, and the pin passes through the first through hole of the printed circuit board and is inserted on the printed circuit board. The holder is disposed between the printed circuit board and the electronic device. The holder includes a supporting surface sustaining the first surface of the electronic device. The heat-dissipation device includes a heat-dissipation surface attached to the second surface of the electronic device. ## Claims ### Claim 1 A printed circuit board assembly comprising: a printed circuit board comprising at least one first through hole; at least one electronic device comprising a first surface, a second surface and at least one pin, wherein the first surface and the second surface are opposite to each other, and the pin passes through the first through hole of the printed circuit board and is inserted on the printed circuit board, wherein the pin is inserted perpendicularly on the printed circuit board and bent such that a body of the electronic device is inclined at an angle relative to the perpendicularly inserted pin; a holder secured to the printed circuit board and disposed between the printed circuit board and the electronic device, wherein the holder comprises a supporting surface sustaining the first surface of the electronic device, and wherein the holder is configured to provide an accommodation space between the supporting surface and the printed circuit board, wherein the supporting surface of the holder comprises an inclined plane corresponding to the inclined body of the electronic device and configured to sustain the first surface of the electronic device, and wherein the angle is less than 90 degrees; and a heat-dissipation device comprising a heat-dissipation surface thermally coupled with the second surface of the electronic device. ### Claim 2 (depends on 1) The printed circuit board assembly according to claim 1, wherein the holder is secured to the printed circuit board by attachment means not comprising soldering. ### Claim 3 (depends on 1) The printed circuit board assembly according to claim 1, wherein the holder comprises a fastening set jointing the holder with the printed circuit board, the fastening set comprises at least one fastening hole and at least one fastening piece, the printed circuit board comprises at least one second through hole, and the fastening piece is engaged with the fastening hole on the holder through the second through hole and joints the holder with the printed circuit board. ### Claim 4 (depends on 1) The printed circuit board assembly according to claim 1, wherein the electronic device further comprises a first positioning portion disposed on the first surface, the holder further comprises a second positioning portion disposed on the supporting surface, and wherein the supporting surface of the holder sustains the first surface of the electronic device, the first positioning portion and the second positioning portion are engaged with each other. ### Claim 5 (depends on 4) The printed circuit board assembly according to claim 4, wherein the first position portion comprises an indent and the second position portion comprises a projection engaged with the indent of the first position portion. ### Claim 6 (depends on 1) The printed circuit board assembly according to claim 1, wherein the printed circuit board comprises a second through hole, wherein the holder comprises a fastening hole configured to receive an elongate fastening piece inserted through the second through hole of the printed circuit board, wherein the fastening piece comprises a flange disposed at one end such that when the fastening piece is inserted into the fastening hole, the flange abuts against the printed circuit board to secure the holder to the printed circuit board. ### Claim 7 (depends on 1) The printed circuit board assembly according to claim 1, wherein the holder is trapezoidal shaped. ### Claim 8 (depends on 1) The printed circuit board assembly according to claim 1, wherein the printed circuit board comprises at least one first fastening component and the heat-dissipation device comprises at least one second fastening component, and the first fastening component and the second fastening component are corresponding to each other and configured to fasten the printed circuit board on the heat-dissipation device. ### Claim 9 (depends on 8) The printed circuit board assembly according to claim 8, wherein the heat-dissipation device is a casing configured to enclose the electronic device and the holder with the printed circuit board fastened on the heat-dissipation device. ### Claim 10 An electronic assembly for use with a printed circuit board and configured to couple with a heat dissipation device, the electronic assembly comprising: at least one electronic device comprising a first surface, a second surface and at least one pin, wherein the first surface and the second surface are opposite to each other, and the pin is configured to pass through a first through hole of the printed circuit board and inserted on the printed circuit board, wherein a thermally conductive adhesive is provided on the second surface of the electronic device for attaching the second surface of the electronic device to a heat-dissipation surface of the heat-dissipation device, wherein the pin is inserted perpendicularly on the printed circuit board and bent such that a body of the electronic device is inclined at an angle relative to the perpendicularly inserted pin; and a holder disposed between the printed circuit board and the electronic device, wherein the holder comprises a supporting surface sustaining the first surface of the electronic device and the holder further comprising an accommodation space provided between the supporting surface and the printed circuit board, and wherein the holder is configured to be secured to the printed circuit board, wherein the supporting surface of the holder comprises an inclined plane corresponding to the inclined body of the electronic device and configured to sustain the first surface of the electronic device, and wherein the angle is less than 90 degrees. ### Claim 11 (depends on 10) The electronic assembly according to claim 10, wherein the holder is secured to the printed circuit board by attachment means not comprising soldering. ### Claim 12 (depends on 10) The electronic assembly according to claim 10, wherein the holder comprises a fastening set jointing the holder with the printed circuit board, the fastening set comprises at least one fastening hole and at least one fastening piece, and the fastening piece is engaged with the fastening hole on the holder through a second through hole of the printed circuit board and joints the holder with the printed circuit board. ### Claim 13 (depends on 12) The electronic assembly according to claim 12, wherein the fastening hole is disposed on a body of the holder and the fastening piece is elongate and partially disposed in the fastening hole, and wherein the fasten piece comprises a flange being disposed outside the fastening hole and configured to abut against the printed circuit board. ### Claim 14 (depends on 10) The electronic assembly according to claim 10, wherein the electronic device further comprises a first positioning portion disposed on the first surface, the holder further comprises a second positioning portion disposed on the supporting surface, and wherein the first positioning portion and the second positioning portion are engaged with each other to position the supporting surface of the holder to sustain the first surface of the electronic device. ### Claim 15 (depends on 14) The electronic assembly according to claim 14, wherein the first position portion comprises a hollow and the second position portion comprises a protrusion disposed in the hollow of the first position portion. ### Claim 16 (depends on 10) The electronic assembly according to claim 10, wherein the holder is trapezoidal shaped. ### Claim 17 (depends on 10) The electronic assembly according to claim 10, wherein the holder is configured to be secured to the printed circuit board such that the holder body extends perpendicularly from the printed circuit board. ### Claim 18 (depends on 10) The electronic assembly according to claim 10, wherein the holder further comprises a side edge extending adjacent to the supporting surface, and wherein the side edge is disposed proximal to the pin of the electronic device and faces towards the pin of the electronic device.