JP7118463B2 - 熱的に脆弱な基板上ではんだペーストを硬化させるための方法 - Google Patents
熱的に脆弱な基板上ではんだペーストを硬化させるための方法 Download PDFInfo
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- JP7118463B2 JP7118463B2 JP2020560860A JP2020560860A JP7118463B2 JP 7118463 B2 JP7118463 B2 JP 7118463B2 JP 2020560860 A JP2020560860 A JP 2020560860A JP 2020560860 A JP2020560860 A JP 2020560860A JP 7118463 B2 JP7118463 B2 JP 7118463B2
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- substrate
- light
- absorbing layer
- solder paste
- light absorbing
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- 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
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- 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
- B23K1/005—Soldering by means of radiant energy
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- 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
- B23K1/19—Soldering, e.g. brazing, or unsoldering taking account of the properties of the materials to be soldered
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- 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
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Description
本発明は、例えば、以下の項目を提供する。
(項目1)
熱的に脆弱な基板上ではんだペーストを硬化させるための方法であって、前記方法は、
熱的に脆弱な基板上に光反射層および光吸収層を印刷することと、
前記光反射層および前記光吸収層上に複数の伝導性トレースを選択的に堆積させることと、
はんだペーストを前記光吸収層の場所に対応する選択的場所上に適用することと、
前記はんだペースト上に構成要素を設置することと、
前記熱的に脆弱な基板を均一なパルス光で片側から照射することであって、前記光吸収層は、前記パルス光を吸光し、加熱された状態になり、前記熱は、その後、熱伝導を介して前記はんだペーストおよび前記構成要素に伝達され、前記はんだペーストを融解させる、ことと
を含む、方法。
(項目2)
前記光吸収層の場所は、前記構成要素に接続するために利用される前記はんだペーストの場所に対応する、項目1に記載の方法。
(項目3)
前記熱的に脆弱な基板は、光透過性である、項目1に記載の方法。
(項目4)
前記熱的に脆弱な基板は、PENである、項目1に記載の方法。
(項目5)
前記熱的に脆弱な基板は、PETである、項目1に記載の方法。
(項目6)
前記熱的に脆弱な基板は、ポリカーボネートである、項目1に記載の方法。
(項目7)
前記熱的に脆弱な基板は、紙である、項目1に記載の方法。
(項目8)
前記光吸収層の面積は、前記構成要素の熱質量および前記はんだペーストの熱質量に正比例する、項目1に記載の方法。
(項目9)
前記はんだペーストは、有害物質規制指令に準拠している、項目1に記載の方法。
(項目10)
前記はんだペーストを処理するための前記パルス光のエネルギーは、3~30J/cm 2 である、項目1に記載の方法。
(項目11)
熱的に脆弱な基板上ではんだペーストを硬化させるための方法であって、前記方法は、
熱的に脆弱な基板上に第1の光反射層および光吸収層を印刷することと、
前記光反射層および前記光吸収層上に複数の伝導性トレースを選択的に堆積させることと、
はんだペーストを前記光吸収層の場所に対応する選択的場所上に適用することと、
前記伝導性トレースおよび前記第1の光吸収層上に第2の光反射層を選択的に堆積させることと、
前記はんだペースト上に構成要素を設置することと、
前記基板を均一なパルス光で2つの側から照射することであって、前記光吸収層および前記構成要素は、前記パルス光を吸光し、加熱された状態となり、前記熱は、その後、熱伝導を介して前記はんだペーストに伝達され、前記はんだペーストを融解させる、ことと
を含む、方法。
(項目12)
前記光吸収層の場所は、前記構成要素に接続するために利用される前記はんだペーストの場所に対応する、項目11に記載の方法。
(項目13)
前記熱的に脆弱な基板は、光透過性である、項目11に記載の方法。
(項目14)
前記熱的に脆弱な基板は、PENである、項目11に記載の方法。
(項目15)
前記熱的に脆弱な基板は、PETである、項目11に記載の方法。
(項目16)
前記熱的に脆弱な基板は、ポリカーボネートである、項目11に記載の方法。
(項目17)
前記熱的に脆弱な基板は、紙である、項目11に記載の方法。
(項目18)
前記光吸収層の面積は、前記構成要素の熱質量および前記はんだペーストの熱質量に正比例する、項目11に記載の方法。
(項目19)
前記はんだペーストは、有害物質規制指令に準拠している、項目11に記載の方法。
(項目20)
前記はんだペーストを処理するための前記パルス光のエネルギーは、3~30J/cm 2 である、項目11に記載の方法。
(項目21)
方法であって、
熱的に脆弱な基板上に光反射層および光吸収層を印刷することと、
前記光反射層および前記光吸収層上に複数の伝導性トレースを選択的に堆積させることと、
導電性エポキシを前記光吸収層の場所に対応する選択的場所上に適用することと、
前記導電性エポキシ上に構成要素を設置することと、
前記熱的に脆弱な基板を均一なパルス光で片側から照射することであって、前記光吸収層は、前記パルス光を吸光し、加熱された状態となり、前記熱は、その後、熱伝導を介して前記導電性エポキシおよび前記構成要素に伝達され、前記導電性エポキシを融解させる、ことと
を含む、方法。
Claims (21)
- 基板上ではんだペーストを硬化させるための方法であって、前記方法は、
前記基板上に光反射層および光吸収層を印刷することであって、前記光反射層は、前記光吸収層の場所とは異なる場所において前記基板上に印刷される、ことと、
前記光反射層および前記光吸収層上に複数の伝導性トレースを選択的に堆積させることと、
はんだペーストを前記光吸収層上の前記複数の伝導性トレース上の場所に対応する選択的場所上に適用することと、
前記はんだペースト上に構成要素を設置することと、
前記基板を均一なパルス光で片側から照射することであって、前記光吸収層は、前記パルス光を吸光し、加熱された状態になり、前記光吸収層の熱は、その後、熱伝導を介して前記はんだペーストおよび前記構成要素に伝達され、前記はんだペーストを融解させる、ことと
を含み、前記基板は、PEN、PET、ポリカーボネート、および紙のうちの1つである、方法。 - 前記光吸収層の場所は、前記構成要素に接続するために利用される前記はんだペーストの場所に対応する、請求項1に記載の方法。
- 前記基板は、光透過性である、請求項1に記載の方法。
- 前記基板は、PENである、請求項1に記載の方法。
- 前記基板は、PETである、請求項1に記載の方法。
- 前記基板は、ポリカーボネートである、請求項1に記載の方法。
- 前記基板は、紙である、請求項1に記載の方法。
- 前記光吸収層の面積は、前記構成要素の熱質量および前記はんだペーストの熱質量に正比例する、請求項1に記載の方法。
- 前記はんだペーストは、Sn96.5/Ag3.0/Cu0.5合金またはSn96.5/Ag3.5合金である、請求項1に記載の方法。
- 前記はんだペーストを処理するための前記パルス光のエネルギーは、3~30J/cm2である、請求項1に記載の方法。
- 基板上ではんだペーストを硬化させるための方法であって、前記方法は、
前記基板上に第1の光反射層および光吸収層を印刷することであって、前記第1の光反射層は、前記光吸収層の場所とは異なる場所において前記基板上に印刷される、ことと、
前記第1の光反射層および前記光吸収層上に複数の伝導性トレースを選択的に堆積させることと、
はんだペーストを前記光吸収層上の前記複数の伝導性トレース上の場所に対応する選択的場所上に適用することと、
前記伝導性トレースおよび前記第1の光反射層上に第2の光反射層を選択的に堆積させることと、
前記はんだペースト上に構成要素を設置することと、
前記基板を均一なパルス光で2つの側から照射することであって、前記光吸収層および前記構成要素は、前記パルス光を吸光し、加熱された状態となり、前記光吸収層の熱は、その後、熱伝導を介して前記はんだペーストに伝達され、前記はんだペーストを融解させる、ことと
を含み、前記基板は、PEN、PET、ポリカーボネート、および紙のうちの1つである、方法。 - 前記光吸収層の場所は、前記構成要素に接続するために利用される前記はんだペーストの場所に対応する、請求項11に記載の方法。
- 前記基板は、光透過性である、請求項11に記載の方法。
- 前記基板は、PENである、請求項11に記載の方法。
- 前記基板は、PETである、請求項11に記載の方法。
- 前記基板は、ポリカーボネートである、請求項11に記載の方法。
- 前記基板は、紙である、請求項11に記載の方法。
- 前記光吸収層の面積は、前記構成要素の熱質量および前記はんだペーストの熱質量に正比例する、請求項11に記載の方法。
- 前記はんだペーストは、Sn96.5/Ag3.0/Cu0.5合金またはSn96.5/Ag3.5合金である、請求項11に記載の方法。
- 前記はんだペーストを処理するための前記パルス光のエネルギーは、3~30J/cm2である、請求項11に記載の方法。
- 方法であって、
基板上に光反射層および光吸収層を印刷することであって、前記光反射層は、前記光吸収層の場所とは異なる場所において前記基板上に印刷される、ことと、
前記光反射層および前記光吸収層上に複数の伝導性トレースを選択的に堆積させることと、
導電性エポキシを前記光吸収層上の前記複数の伝導性トレース上の場所に対応する選択的場所上に適用することと、
前記導電性エポキシ上に構成要素を設置することと、
前記基板を均一なパルス光で片側から照射することであって、前記光吸収層は、前記パルス光を吸光し、加熱された状態となり、前記光吸収層の熱は、その後、熱伝導を介して前記導電性エポキシおよび前記構成要素に伝達され、前記導電性エポキシを融解させる、ことと
を含み、前記基板は、PEN、PET、ポリカーボネート、および紙のうちの1つである、方法。
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