JP6226350B2 - 半田プリフォームフラックスの被覆工程 - Google Patents
半田プリフォームフラックスの被覆工程 Download PDFInfo
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- JP6226350B2 JP6226350B2 JP2016549608A JP2016549608A JP6226350B2 JP 6226350 B2 JP6226350 B2 JP 6226350B2 JP 2016549608 A JP2016549608 A JP 2016549608A JP 2016549608 A JP2016549608 A JP 2016549608A JP 6226350 B2 JP6226350 B2 JP 6226350B2
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- flux
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- powder
- curing
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- 238000000576 coating method Methods 0.000 title claims description 64
- 230000004907 flux Effects 0.000 title claims description 62
- 229910000679 solder Inorganic materials 0.000 title claims description 59
- 239000011248 coating agent Substances 0.000 claims description 49
- 239000000843 powder Substances 0.000 claims description 47
- 238000000034 method Methods 0.000 claims description 19
- 230000008569 process Effects 0.000 claims description 16
- 238000009503 electrostatic coating Methods 0.000 claims description 13
- 238000001723 curing Methods 0.000 claims description 12
- 239000002245 particle Substances 0.000 claims description 11
- 238000002360 preparation method Methods 0.000 claims description 11
- 239000008187 granular material Substances 0.000 claims description 10
- 238000013007 heat curing Methods 0.000 claims description 8
- 238000002156 mixing Methods 0.000 claims description 7
- 238000001816 cooling Methods 0.000 claims description 6
- 239000002270 dispersing agent Substances 0.000 claims description 4
- 238000005238 degreasing Methods 0.000 claims description 3
- 238000003847 radiation curing Methods 0.000 claims description 3
- 238000003618 dip coating Methods 0.000 claims description 2
- 238000007757 hot melt coating Methods 0.000 claims description 2
- 238000012805 post-processing Methods 0.000 claims description 2
- 238000007751 thermal spraying Methods 0.000 claims description 2
- 238000004140 cleaning Methods 0.000 claims 1
- 238000002844 melting Methods 0.000 claims 1
- 230000008018 melting Effects 0.000 claims 1
- 230000004048 modification Effects 0.000 description 9
- 238000012986 modification Methods 0.000 description 9
- 230000000694 effects Effects 0.000 description 6
- 238000000465 moulding Methods 0.000 description 6
- 238000010438 heat treatment Methods 0.000 description 5
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 4
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 238000005507 spraying Methods 0.000 description 3
- 230000006378 damage Effects 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 230000036541 health Effects 0.000 description 2
- 230000008595 infiltration Effects 0.000 description 2
- 238000001764 infiltration Methods 0.000 description 2
- 239000010410 layer Substances 0.000 description 2
- 239000003960 organic solvent Substances 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 239000011247 coating layer Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 238000009966 trimming Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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
- B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
- B23K35/02—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by mechanical features, e.g. shape
- B23K35/0222—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by mechanical features, e.g. shape for use in soldering, brazing
- B23K35/0244—Powders, particles or spheres; Preforms made therefrom
-
- 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
- B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
- B23K35/02—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by mechanical features, e.g. shape
- B23K35/0222—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by mechanical features, e.g. shape for use in soldering, brazing
- B23K35/0233—Sheets, foils
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D1/00—Processes for applying liquids or other fluent materials
- B05D1/02—Processes for applying liquids or other fluent materials performed by spraying
- B05D1/04—Processes for applying liquids or other fluent materials performed by spraying involving the use of an electrostatic field
- B05D1/06—Applying particulate materials
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D1/00—Processes for applying liquids or other fluent materials
- B05D1/18—Processes for applying liquids or other fluent materials performed by dipping
- B05D1/22—Processes for applying liquids or other fluent materials performed by dipping using fluidised-bed technique
- B05D1/24—Applying particulate materials
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/002—Pretreatement
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/02—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by baking
- B05D3/0254—After-treatment
- B05D3/0263—After-treatment with IR heaters
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/02—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by baking
- B05D3/0254—After-treatment
- B05D3/0272—After-treatment with ovens
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/02—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by baking
- B05D3/0254—After-treatment
- B05D3/029—After-treatment with microwaves
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/06—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by exposure to radiation
- B05D3/061—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by exposure to radiation using U.V.
- B05D3/065—After-treatment
- B05D3/067—Curing or cross-linking the coating
-
- 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
- B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
- B23K35/02—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by mechanical features, e.g. shape
- B23K35/0222—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by mechanical features, e.g. shape for use in soldering, brazing
-
- 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
-
- 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
- B23K2101/42—Printed circuits
Description
1)適量のアルコールで円形半田プリフォームに対して脱脂と洗浄を行い、そして乾燥する。
2)フラックスを粒径≦80μmの粉末に直接調製し、流動層に入れる。
3)半田プリフォームを適当に予め加熱した後に粉末流動層に入れて浸漬塗布し、特定の時間の後に取り出す。
4)粉を塗布した後の半田プリフォームを温度80°Cの抵抗加熱炉に入れて硬化する。
5)自然に冷却成形する。
1)適量のアルコールで円形半田プリフォームに対して脱脂と洗浄を行い、そして乾燥する。
2)フラックスを粒径≦50μmの粉末に直接調製する。
3)適量のフラックス粉末を静電塗布装置に入れて、塗布電圧を30kVにし、塗布距離を10cmにし、特定の時間で静電塗布した後に中止する。
4)粉体を噴射した後の半田プリフォームを赤外線で55°Cに加熱して硬化を完成する。
5)自然に冷却成形する。
1)適量のアルコールで環状半田プリフォームに対して脱脂及び洗浄を行い、そして乾燥する。
2)フラックス各成分を溶融して混合し、冷却後に粒径≦350μmの粉末に調製する。
3)適量のフラックス粉末を静電塗布装置に入れて、塗布電圧を100kVにして、塗布距離を25cmにして、特定の時間で静電塗布した後に中止する。
4)粉体を噴射した後の半田プリフォームをマイクロウェーブで200°Cに加熱して、硬化を完成する。
5)自然に冷却して、プレス成形する。
以上の工程により被覆されるフラックス膜は、厚みが約200μmであり、均一で平坦であり、半田プリフォームとの結合力が強く、被覆効果がよい。
1)適量のアルコールで長方形半田プリフォームに対して脱脂及び洗浄を行い、そして乾燥する。
2)フラックス各成分を粒径≦100μmの粉末に調製して、均一に混合する。
3)適量のフラックス粉末を静電塗布装置に入れ、塗布電圧を50kVにし、塗布距離を15cmにし、特定の時間で静電塗布した後に中止する。
4)粉体を噴射した後の半田プリフォームを紫外線で硬化する。
5)要求に応じて後処理、例えば、磨き、バリ取り及びトリム等を行う。
Claims (9)
- 被覆工程のプロセスは、半田プリフォーム前処理→粉末調製→被覆→硬化→後処理である半田プリフォームフラックスの被覆工程であって、
前記粉末調製の方法は、1)フラックスを特定粒径の粉末顆粒に直接調製することと、2)フラックス各成分を粉末顆粒に調製し、均一に混合することと、3)まずフラックス各成分を機械的に混合し、そして粉末顆粒に調製することと、4)フラックス各成分を溶融して混合し、冷却後に粉末顆粒に調製することと、5)フラックス各成分を適量の分散剤で均一に混合し、分散剤を取り除いて粉末顆粒に調製することとを含む、
ことを特徴とする半田プリフォームフラックスの被覆工程。 - 前記半田プリフォーム前処理は前記半田プリフォームを脱脂、洗浄、乾燥することである、
ことを特徴とする請求項1に記載の半田プリフォームフラックスの被覆工程。 - 前記粉末調製はフラックスを粒径≦350μmの粉末に調製することを含む、
ことを特徴とする請求項1に記載の半田プリフォームフラックスの被覆工程。 - 前記被覆は少なくとも流動層浸漬塗布、溶射、ホットメルト塗布、静電塗布及び静電振動のうちの1種を含む、
ことを特徴とする請求項1に記載の半田プリフォームフラックスの被覆工程。 - 前記静電塗布の工程パラメータは、塗布電圧30〜100kV、塗布距離10〜25cmを含む、
ことを特徴とする請求項4に記載の半田プリフォームフラックスの被覆工程。 - 前記硬化は加熱硬化及び放射硬化を含む、
ことを特徴とする請求項1に記載の半田プリフォームフラックスの被覆工程。 - 前記加熱硬化は抵抗加熱硬化、赤外線加熱硬化及びマイクロウェーブ加熱硬化を含み、前記放射硬化は紫外線硬化を含む、
ことを特徴とする請求項6に記載の半田プリフォームフラックスの被覆工程。 - 前記加熱硬化の温度は55〜200°Cである、
ことを特徴とする請求項6に記載の半田プリフォームフラックスの被覆工程。 - 前記後処理は自然冷却及びプレス成形である
ことを特徴とする請求項1に記載の半田プリフォームフラックスの被覆工程。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201310509937.7 | 2013-10-25 | ||
CN201310509937.7A CN103521953B (zh) | 2013-10-25 | 2013-10-25 | 一种预成型焊片助焊剂的涂覆工艺 |
PCT/CN2013/090930 WO2015058457A1 (zh) | 2013-10-25 | 2013-12-30 | 一种预成型焊片助焊剂的涂覆工艺 |
Publications (2)
Publication Number | Publication Date |
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JP2016537205A JP2016537205A (ja) | 2016-12-01 |
JP6226350B2 true JP6226350B2 (ja) | 2017-11-08 |
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JP2016549608A Active JP6226350B2 (ja) | 2013-10-25 | 2013-12-30 | 半田プリフォームフラックスの被覆工程 |
Country Status (4)
Country | Link |
---|---|
US (1) | US20160288269A1 (ja) |
JP (1) | JP6226350B2 (ja) |
CN (1) | CN103521953B (ja) |
WO (1) | WO2015058457A1 (ja) |
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CN106783768B (zh) * | 2016-12-29 | 2019-04-02 | 广州汉源新材料股份有限公司 | 一种预成型纳米银膜 |
CN112122825B (zh) * | 2020-08-17 | 2022-03-18 | 深圳市兴鸿泰锡业有限公司 | 一种5g通讯锡基带涂层无卤素预成型焊片的制备方法 |
CN113798735B (zh) * | 2021-10-25 | 2023-04-25 | 浙江亚通新材料股份有限公司 | 一种焊片/焊环表面涂覆助焊剂的方法 |
CN114669913A (zh) * | 2022-04-11 | 2022-06-28 | 云南锡业集团(控股)有限责任公司研发中心 | 一种预涂覆脆性合金异形焊片的生产方法 |
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CN102573320A (zh) * | 2010-12-13 | 2012-07-11 | 太仓市浏河镇亿网行网络技术服务部 | 一种电子器件的焊接方法 |
CN202169445U (zh) * | 2011-07-15 | 2012-03-21 | 广州先艺电子科技有限公司 | 一种预涂有助焊剂涂层的预成型焊片 |
CN103056556B (zh) * | 2012-03-20 | 2015-03-04 | 浙江亚通焊材有限公司 | 表面涂覆无卤素助焊剂的预成型焊片 |
CN103056479B (zh) * | 2013-01-16 | 2014-12-31 | 中电电气(南京)光伏有限公司 | 一种用于太阳能光伏组件的助焊剂的喷涂方法及装置 |
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2013
- 2013-10-25 CN CN201310509937.7A patent/CN103521953B/zh active Active
- 2013-12-30 US US15/031,284 patent/US20160288269A1/en not_active Abandoned
- 2013-12-30 WO PCT/CN2013/090930 patent/WO2015058457A1/zh active Application Filing
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US20160288269A1 (en) | 2016-10-06 |
CN103521953A (zh) | 2014-01-22 |
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