JP6282454B2 - 半導体パッケージの製造方法 - Google Patents
半導体パッケージの製造方法 Download PDFInfo
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- JP6282454B2 JP6282454B2 JP2013255414A JP2013255414A JP6282454B2 JP 6282454 B2 JP6282454 B2 JP 6282454B2 JP 2013255414 A JP2013255414 A JP 2013255414A JP 2013255414 A JP2013255414 A JP 2013255414A JP 6282454 B2 JP6282454 B2 JP 6282454B2
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- Prior art keywords
- pillar terminal
- pillar
- terminal
- pad
- conductive material
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- 238000004519 manufacturing process Methods 0.000 title claims description 28
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- 239000004480 active ingredient Substances 0.000 claims description 7
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 6
- 238000005304 joining Methods 0.000 claims description 3
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- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229920006231 aramid fiber Polymers 0.000 description 1
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- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 1
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Landscapes
- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
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- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Wire Bonding (AREA)
- Electric Connection Of Electric Components To Printed Circuits (AREA)
Description
[第1の実施の形態に係る半導体パッケージの構造]
まず、第1の実施の形態に係る半導体パッケージの構造について説明する。図1は、第1の実施の形態に係る半導体パッケージを例示する断面図である。なお、図1(b)は、図1(a)のA部を拡大して例示する部分断面図である。図1を参照するに、第1の実施の形態に係る半導体パッケージ1は、配線基板10と、半導体チップ20と、接合部30とを有する。
次に、第1の実施の形態に係る半導体パッケージの製造方法について、特に配線基板10と半導体チップ20とを接合部30を介して接合する工程を中心に説明する。図3〜図5は、第1の実施の形態に係る半導体パッケージの製造工程を例示する図であり、図1(b)に対応する断面を示している。
第1の実施の形態の変形例では、第1の実施の形態とは異なる半導体パッケージ1の製造方法の例を示す。なお、第1の実施の形態の変形例において、既に説明した実施の形態と同一構成部品についての説明は省略する。
第2の実施の形態では、第1の実施の形態とは異なる構造の半導体パッケージの例を示す。なお、第2の実施の形態において、既に説明した実施の形態と同一構成部品についての説明は省略する。
第3の実施の形態では、第1の実施の形態とは異なる構造の半導体パッケージの他の例を示す。なお、第3の実施の形態において、既に説明した実施の形態と同一構成部品についての説明は省略する。
10、10A 配線基板
11 絶縁層
12、14、22 パッド
13、15 ソルダーレジスト層
13x、15x 開口部
16、24 ピラー端子
20 半導体チップ
21 半導体基板
23 保護膜
30 接合部
31、32 導電材
31x 凹部
40、50 第1金属間化合物層
41、51 第2金属間化合物層
100、200、250 冶具
110 突起部
210 転写ピン
220 活性成分
Claims (4)
- パッドを備えた配線基板と、側面に酸化膜が形成されたピラー端子を備えた半導体チップと、を準備する工程と、
前記ピラー端子の側面の一部に、酸化膜を除去する活性成分を付着させる工程と、
前記パッドと前記ピラー端子とを接合する接合部を形成する工程と、を有し、
前記活性成分を付着させる工程は、
前記パッド上に接合部となる導電材を形成する工程と、
前記導電材に凹部を形成する工程と、
前記凹部内に活性成分を形成する工程と、
前記ピラー端子を前記導電材側に押圧し、前記ピラー端子の側面の一部及び端面を前記活性成分を介して前記凹部の内側に入り込ませ、前記ピラー端子の側面の一部及び端面に前記活性成分を付着させる工程と、を含み、
前記接合部を形成する工程では、前記接合部は、前記ピラー端子の端面と、前記ピラー端子の側面の一部と、前記パッドの端面と、を接合し、前記接合部と前記ピラー端子との界面には金属間化合物層が形成される半導体パッケージの製造方法。 - 側面に酸化膜が形成された第1ピラー端子を備えた配線基板と、側面に酸化膜が形成された第2ピラー端子を備えた半導体チップと、を準備する工程と、
前記第1ピラー端子又は前記第2ピラー端子のうち一方のピラー端子の側面の一部に、酸化膜を除去する活性成分を付着させる工程と、
前記一方のピラー端子と他方のピラー端子とを接合する接合部を形成する工程と、を有し、
前記活性成分を付着させる工程は、
前記他方のピラー端子に導電材を形成する工程と、
前記導電材に凹部を形成する工程と、
前記凹部内に活性成分を形成する工程と、
前記一方のピラー端子を前記導電材側に押圧し、前記一方のピラー端子の側面の一部及び端面を前記活性成分を介して前記凹部の内側に入り込ませ、前記一方のピラー端子の側面の一部及び端面に前記活性成分を付着させる工程と、を含み、
前記接合部を形成する工程では、前記接合部は、前記一方のピラー端子の端面と、前記他方のピラー端子の端面と、前記一方のピラー端子の側面の一部と、を接合し、前記接合部と前記一方のピラー端子との界面、及び前記接合部と前記他方のピラー端子との界面には金属間化合物層が形成される半導体パッケージの製造方法。 - 前記ピラー端子は銅又は銅合金からなり、前記接合部は錫を含み、前記金属間化合物層は銅と錫の金属間化合物からなる請求項1記載の半導体パッケージの製造方法。
- 前記第1ピラー端子及び前記第2ピラー端子は銅又は銅合金からなり、前記接合部は錫を含み、前記金属間化合物層は銅と錫の金属間化合物からなる請求項2記載の半導体パッケージの製造方法。
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