WO2022097875A1 - 셀렉티브 솔더볼 저감 노즐장치 - Google Patents
셀렉티브 솔더볼 저감 노즐장치 Download PDFInfo
- Publication number
- WO2022097875A1 WO2022097875A1 PCT/KR2021/008312 KR2021008312W WO2022097875A1 WO 2022097875 A1 WO2022097875 A1 WO 2022097875A1 KR 2021008312 W KR2021008312 W KR 2021008312W WO 2022097875 A1 WO2022097875 A1 WO 2022097875A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- solder
- nozzle body
- nozzle
- soldering
- solder ball
- Prior art date
Links
- 229910000679 solder Inorganic materials 0.000 title claims abstract description 111
- 238000005476 soldering Methods 0.000 claims abstract description 34
- 239000007788 liquid Substances 0.000 claims abstract description 20
- 239000000243 solution Substances 0.000 description 47
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 19
- 238000002347 injection Methods 0.000 description 7
- 239000007924 injection Substances 0.000 description 7
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 5
- 230000015572 biosynthetic process Effects 0.000 description 5
- 230000007547 defect Effects 0.000 description 5
- 239000000758 substrate Substances 0.000 description 5
- 238000002844 melting Methods 0.000 description 4
- 230000008018 melting Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000003723 Smelting Methods 0.000 description 3
- 230000005484 gravity Effects 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000012299 nitrogen atmosphere Substances 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- 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
- B23K3/00—Tools, devices, or special appurtenances for soldering, e.g. brazing, or unsoldering, not specially adapted for particular methods
- B23K3/06—Solder feeding devices; Solder melting pans
- B23K3/0607—Solder feeding devices
- B23K3/0623—Solder feeding devices for shaped solder piece feeding, e.g. preforms, bumps, balls, pellets, droplets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- 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
- B23K1/00—Soldering, e.g. brazing, or unsoldering
- B23K1/0008—Soldering, e.g. brazing, or unsoldering specially adapted for particular articles or work
- B23K1/0016—Brazing of electronic components
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- 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
- B23K2101/00—Articles made by soldering, welding or cutting
- B23K2101/36—Electric or electronic devices
Definitions
- the present invention relates to a selective solder ball reduction nozzle device, and more particularly, by floating the solder liquid flowing down from the nozzle device with respect to the mounting parts of the board, the formation of solder balls generated during soldering is reduced, thereby significantly reducing the soldering defect of the board. It relates to a selective solder ball reduction nozzle device that can be reduced.
- soldering In the printed circuit board, which is an essential component of electronic and electrical products, various parts and entire circuits are connected by soldering through solder ports in order to be able to exhibit their respective functions.
- a plurality of heaters for melting the solder are installed inside the solder pot, and a nozzle for ejecting the molten solder to the top of the port is installed on one side of the solder pot, and on the other side of the nozzle
- An impeller is installed on the top so that the solder is ejected.
- solder When soldering a printed circuit board, solder is put into the pot and power is applied to the heater, so that the solder is melted by the heat of the heater and becomes a liquid state.
- the lead-water melting tank is formed with an open upper part, and a plurality of heaters are coupled to melt the solder bar input to the inside and convert it into lead-water
- the lead-water A lead water storage tank that is coupled to the lead water smelting tank via a connection bracket to be disposed in the lead water storage tank, the lead water storage tank is formed so that the lead water is introduced and stored by pressure
- An impeller connected via a transmission means and pumped by the drive motor to introduce the lead water in the lead water molten tank into the lead water storage tank, and the lead water storage tank to be exposed to the upper part of the lead water smelting tank and coupled to the impeller
- the lead water in the lead water storage tank is discharged at a constant pressure toward the printed circuit board disposed on the upper part of the lead water smelting tank by the pressure of the lead water acting as the lead water storage tank in the lead water tank and the pumping force of the impeller.
- a soldering apparatus including a provided nozzle is disclosed.
- a nitrogen supply line 10 for forming a nitrogen atmosphere is provided in the nitrogen supply line 10 in a state installed on one side of the solder melting bath 20 .
- Nitrogen gas is provided to one side of the solder melting bath 20 through the injection nozzle.
- the injection nozzle body 110 through which the center is penetrated and the solder solution is pumped is seated on the holder 140 seated in the solder solution bath 130,
- a nozzle cap 120 having an injection hole for the solder solution to flow out is provided on the top of the injection nozzle body 110 .
- the injection nozzle body 110 and the nozzle cap 120 are seated in a cylindrical insertion groove 112 for seating the nozzle cap 120 on the upper portion of the injection nozzle body 110 .
- the molten solder solution (SS) flows out through the nozzle body 110 and the nozzle cap 120 seated on the cradle 140 seated in the solder solution tank 130 in which the molten solder solution (SS) is accommodated, and the soldering solution is performed.
- the solder solution S should flow down by gravity on the outer surfaces of the nozzle cap 120 and the nozzle body 110 and then rejoin the molten solder solution SS.
- the solder liquid (S) discharged from the injection port of the nozzle cap 120 rides on the outer surface of the nozzle cap 120 and the nozzle body 110 and flows down due to gravity.
- the present invention is seated on the cradle (F) mounted on the solder solution tank (B) and guides the solder solution (S) from the central axis to the upper part, and guides the solder solution (S′) that is discharged and flows down for the soldering operation.
- Nozzle body 10 for flowing down while; a nozzle cap 20 seated on the upper portion of the nozzle body 10 and communicating with the central axis of the nozzle body 10 to discharge the solder liquid (S); and a flow part 30 that penetrates with respect to the outer periphery of the nozzle body 10 and freely flows up and down along the central axis of the nozzle body 10 on the surface of the solder solution SS accommodated in the solder solution tank B.
- a selective solder ball reduction nozzle device is provided.
- the soldering apparatus by making the soldering apparatus float with respect to the solder liquid flowing down from the nozzle apparatus, the formation of solder balls generated during soldering can be reduced, thereby remarkably reducing the soldering defect of the substrate.
- 1A is a schematic perspective view of a conventional solder ball device.
- 1B is a schematic cross-sectional view illustrating a state in which a solder ball is generated in a nozzle body of a conventional solder ball device.
- FIG. 2 is a perspective view of a selective solder ball reduction nozzle device according to a preferred embodiment of the present invention.
- FIG. 3 is a cross-sectional view taken along arrow AA of FIG. 2 .
- FIG. 4 is a schematic perspective view illustrating a flow state of a solder liquid flowing down from a nozzle in a selective solder ball reduction nozzle device according to a preferred embodiment of the present invention.
- FIG. 5 is a cross-sectional view illustrating a solder ball suppression process in a soldering process in a selective solder ball reduction nozzle device according to a preferred embodiment of the present invention.
- the present invention is seated on the cradle (F) mounted on the solder solution tank (B) and guides the solder solution (S) from the central axis to the upper part, and guides the solder solution (S′) that is discharged and flows down for the soldering operation.
- Nozzle body 10 for flowing down while; a nozzle cap 20 seated on the upper portion of the nozzle body 10 and communicating with the central axis of the nozzle body 10 to discharge the solder liquid (S); and a flow part 30 that penetrates with respect to the outer periphery of the nozzle body 10 and freely flows up and down along the central axis of the nozzle body 10 on the surface of the solder solution SS accommodated in the solder solution tank B.
- a selective solder ball reduction nozzle device is provided.
- the flow portion 30 is penetrated with respect to the outer periphery of the nozzle body 10 and a guide through hole 32 for guiding the guide, and a disk-shaped flow disk extending outward of the guide through hole 32 ( 34) is preferred.
- the nozzle body 10 has a central through hole 12 through the central axis from the upper surface to the lower surface, and the solder liquid (S') discharged and flowing down with respect to the outer direction of the center through hole 12, the nozzle body ( It is preferable to provide a guide groove 14 for flowing down while guiding the groove from the upper surface to the lower side of 10).
- the guide groove 14 has a tapered shape inclined outward as it descends to the lower side of the nozzle body 10 .
- the selective solder ball reduction nozzle device according to the preferred embodiment of the present invention, it is seated on the cradle (F) mounted on the solder solution bath (B) and the solder solution is moved upward from the central axis.
- the nozzle body (10) for inducing (S) and guiding the flowing down solder liquid (S') for the soldering operation to the recessed groove, and seated on the upper part of the nozzle body 10, the nozzle body (10) ) in communication with the central axis of the nozzle cap 20 for discharging the solder solution S, and the surface of the solder solution SS penetrating through the outer periphery of the nozzle body 10 and accommodated in the solder solution tank B It consists of a flow part (30) that freely moves up and down along the central axis of the nozzle body (10).
- the nozzle body 10 has a central through-hole 12 through the central axis from the upper surface to the lower surface, and the solder liquid (S') discharged and flowing down with respect to the outer direction of the center through-hole 12, the nozzle body 10 It is provided with a guide groove 14 for flowing down while guiding the groove downward from the upper surface of the.
- the guide groove 14 has a tapered shape inclined outward as it descends to the lower side of the nozzle body 10 .
- the central through hole 12 of the nozzle body 10 communicates with the central axis of the nozzle cap 20 .
- the nozzle cap 20 is seated on the upper portion of the nozzle body 10 and has a communication hole 22 communicating with the central axis of the nozzle body 10 .
- the flow portion 30 is penetrated with respect to the outer periphery of the nozzle body 10 to guide a guide through hole 32 for guiding the guide, and a disk-shaped flow disk 34 extending outwardly of the guide through hole 32 . is made of
- the guide through-hole 32 of the flow part 30 is a nozzle body 10 so as to flow up and down freely along the central axis of the nozzle body 10 on the surface of the solder solution SS accommodated in the solder solution tank B. It has a penetrating shape with a larger tolerance than the outer periphery of
- the fluid disk 34 of the flow part 30 is made of a material having a specific gravity that can flow on the surface of the solder solution SS accommodated in the solder solution tank B, and flows by having a symmetrical flat disk shape.
- the descending solder solution (S') is symmetrically dispersed on the upper surface so that it joins the solder solution (SS) in the solder solution tank (B).
- the solder liquid S' flowing down from the nozzle cap 20 is along the guide groove 14 of the nozzle body 10. It flows down and reaches the upper surface of the flow part 30 flowing along the surface of the solder solution SS accommodated in the solder solution tank (B).
- the solder solution S′ that has reached the upper surface of the flow section 30 vertically does not directly touch the solder solution SS in the solder solution tank B, but rather the direction of motion is horizontal on the upper surface of the flow section 30 .
- the direction In the state in which the direction is switched, it joins the solder solution SS in contact with the flow part 30 at the outer end of the flow part 30 .
- the vertically falling kinetic energy of the flowing down solder liquid (S') is converted into horizontal kinetic energy by the flow unit 30 .
- the vertical kinetic energy is reduced and merges with the solder solution SS in the solder solution tank B, it is possible to prevent the occurrence of solder balls caused by splashing.
- the flowing part 30 prevents the solder solution (S') flowing down from coming into contact with the solder solution (SS) in the solder solution tank (B) directly from the lower end of the nozzle body 10, thereby preventing the occurrence of solder balls. can be prevented more effectively.
- the inclined surface is tapered.
- the soldering apparatus by floating the solder liquid flowing from the nozzle apparatus, the formation of solder balls generated during soldering can be reduced, thereby remarkably reducing the soldering defect of the substrate.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Electric Connection Of Electric Components To Printed Circuits (AREA)
- Molten Solder (AREA)
Abstract
Description
Claims (4)
- 솔더용액조(B)에 거치된 거치대(F)에 안착되며 중심축에서 상부로 솔더액(S)을 유도하며 솔더링 작업을 위하여 토출되어 흘러 내리는 솔더액(S')을 가이드하면서 흘러내리도록 하기 위한 노즐몸체(10);노즐몸체(10)의 상부에 안착되어 노즐몸체(10)의 중심축과 연통되어 솔더액(S)을 토출하기 위한 노즐캡(20); 및노즐몸체(10)의 외주연에 대하여 관통되어 솔더용액조(B) 내에 수용된 솔더용액(SS)의 표면에서 자유롭게 노즐몸체(10)의 중심축을 따라 승하강 유동되는 유동부(30)로 이루어지는 것을 특징으로 하는 셀렉티브 솔더볼 저감 노즐장치.
- 제1항에 있어서, 유동부(30)는 노즐몸체(10)의 외주연에 대하여 관통되어 가이드를 유도하기 위한 가이드 관통공(32)과, 가이드 관통공(32)의 외측으로 연장된 디스크 형상의 유동 디스크(34)로 이루어지는 것을 특징으로 하는 셀렉티브 솔더볼 저감 노즐장치.
- 제2항에 있어서, 노즐몸체(10)는 중심축에 상면으로부터 하면까지 통공된 중심 관통공(12)과, 중심 관통공(12)의 외측 방향에 대하여 토출되어 흘러 내리는 솔더액(S')을 노즐몸체(10)의 상면으로부터 하측으로 요홈으로 가이드하면서 흘러내리도록 하기 위한 가이드 요홈(14)을 구비하는 것을 특징으로 하는 셀렉티브 솔더볼 저감 노즐장치.
- 제3항에 있어서, 가이드 요홈(14)은 노즐몸체(10)의 하측으로 내려올수록 외측으로 경사진 테이퍼 형상을 가지는 것을 특징으로 하는 셀렉티브 솔더볼 저감 노즐장치.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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KR10-2020-0148171 | 2020-11-07 | ||
KR1020200148171A KR102242585B1 (ko) | 2020-11-07 | 2020-11-07 | 셀렉티브 솔더볼 저감 노즐장치 |
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WO2022097875A1 true WO2022097875A1 (ko) | 2022-05-12 |
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PCT/KR2021/008312 WO2022097875A1 (ko) | 2020-11-07 | 2021-06-30 | 셀렉티브 솔더볼 저감 노즐장치 |
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KR (1) | KR102242585B1 (ko) |
WO (1) | WO2022097875A1 (ko) |
Families Citing this family (2)
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KR102242585B1 (ko) * | 2020-11-07 | 2021-04-19 | (주)티앤아이텍 | 셀렉티브 솔더볼 저감 노즐장치 |
KR20230097327A (ko) | 2021-12-24 | 2023-07-03 | 주식회사 유닉테크노스 | 셀렉티브 솔더링 머신 |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2010073739A1 (ja) * | 2008-12-27 | 2010-07-01 | 千住金属工業株式会社 | ポイントフローはんだ付け装置 |
JP3193699U (ja) * | 2014-08-04 | 2014-10-16 | 株式会社弘輝テック | はんだ付け装置 |
KR20170070848A (ko) * | 2017-05-15 | 2017-06-22 | 백철호 | 솔더링 장치용 솔더포트 |
KR101996146B1 (ko) * | 2017-11-02 | 2019-07-11 | 재단법인 경북하이브리드부품연구원 | 웨이브 솔더링 장치 |
KR102116762B1 (ko) * | 2018-02-20 | 2020-05-29 | (주)제이앤디테크 | 셀렉티브 솔더링 장치 |
KR102242585B1 (ko) * | 2020-11-07 | 2021-04-19 | (주)티앤아이텍 | 셀렉티브 솔더볼 저감 노즐장치 |
-
2020
- 2020-11-07 KR KR1020200148171A patent/KR102242585B1/ko active IP Right Grant
-
2021
- 2021-06-30 WO PCT/KR2021/008312 patent/WO2022097875A1/ko active Application Filing
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2010073739A1 (ja) * | 2008-12-27 | 2010-07-01 | 千住金属工業株式会社 | ポイントフローはんだ付け装置 |
JP3193699U (ja) * | 2014-08-04 | 2014-10-16 | 株式会社弘輝テック | はんだ付け装置 |
KR20170070848A (ko) * | 2017-05-15 | 2017-06-22 | 백철호 | 솔더링 장치용 솔더포트 |
KR101996146B1 (ko) * | 2017-11-02 | 2019-07-11 | 재단법인 경북하이브리드부품연구원 | 웨이브 솔더링 장치 |
KR102116762B1 (ko) * | 2018-02-20 | 2020-05-29 | (주)제이앤디테크 | 셀렉티브 솔더링 장치 |
KR102242585B1 (ko) * | 2020-11-07 | 2021-04-19 | (주)티앤아이텍 | 셀렉티브 솔더볼 저감 노즐장치 |
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