JP5385411B2 - 半導体構造および半導体構造の製造方法 - Google Patents
半導体構造および半導体構造の製造方法 Download PDFInfo
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- JP5385411B2 JP5385411B2 JP2011549511A JP2011549511A JP5385411B2 JP 5385411 B2 JP5385411 B2 JP 5385411B2 JP 2011549511 A JP2011549511 A JP 2011549511A JP 2011549511 A JP2011549511 A JP 2011549511A JP 5385411 B2 JP5385411 B2 JP 5385411B2
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- 238000000034 method Methods 0.000 title claims description 16
- 238000004519 manufacturing process Methods 0.000 title claims description 10
- 229910000679 solder Inorganic materials 0.000 claims description 82
- 239000003566 sealing material Substances 0.000 claims description 46
- 239000008393 encapsulating agent Substances 0.000 claims description 18
- 239000000463 material Substances 0.000 claims description 14
- 229910052751 metal Inorganic materials 0.000 claims description 9
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- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 6
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 6
- 229910052802 copper Inorganic materials 0.000 description 6
- 239000010949 copper Substances 0.000 description 6
- 238000005530 etching Methods 0.000 description 6
- LQBJWKCYZGMFEV-UHFFFAOYSA-N lead tin Chemical compound [Sn].[Pb] LQBJWKCYZGMFEV-UHFFFAOYSA-N 0.000 description 5
- 238000005476 soldering Methods 0.000 description 5
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 description 4
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 4
- 229910052737 gold Inorganic materials 0.000 description 4
- 239000010931 gold Substances 0.000 description 4
- 229920001296 polysiloxane Polymers 0.000 description 4
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- 229910052763 palladium Inorganic materials 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 238000007650 screen-printing Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 229910052709 silver Inorganic materials 0.000 description 2
- 239000004332 silver Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000000109 continuous material Substances 0.000 description 1
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Description
Claims (13)
- 半導体構造(1)であって、
− 上面(20)と、前記上面(20)に対向する下面(25)とを有し、金属薄板の半製品からなる、少なくとも1つのリード構造(2)であって、互いに電気的に絶縁されている少なくとも2つの部分(2a,2b,2c)を備えている、リード構造(2)と、
− 少なくとも1層のソルダーレジスト層(5)であって、それぞれが前記上面(20)および前記下面(25)を部分的に覆っており、前記上面(20)および前記下面(25)のうち前記ソルダーレジスト層(5)によって覆われていない少なくともサブゾーンが電気的ランド(9)を形成している、ソルダーレジスト層(5)と、
− 前記リード構造(2)の前記上面(20)における少なくとも1つの前記ランド(9)の上に実装されて前記リード構造(2)に導電接続されているオプトエレクトロニクス半導体素子(3)であって、前記少なくとも2つの部分のうち1つの部分(2b)の上に実装されており、前記少なくとも2つの部分のうち別の部分(2a、2c)に導電接続要素(4)を介して導電接続されている、オプトエレクトロニクス半導体素子(3)と、
− 前記リード構造(2)の少なくとも前記上面(20)に塗布されている放射透過性の封止材(6)であって、前記半導体素子(3)を覆っており、かつ前記ソルダーレジスト層(5)の少なくとも一部分の上に延在しており、前記少なくとも2つの部分(2a,2b,2c)が当該封止材(6)によって機械的に結合されており、前記ランド(9)それぞれの周囲が前記ソルダーレジスト層(5)によって囲まれている、封止材(6)と、
を備え、
前記ソルダーレジスト層(5)が、断面視において少なくとも部分的にU字状の構造であり、したがって、前記ソルダーレジスト層(5)が、前記リード構造(2)の端面(28)を超えて延在しており、連続的な層として前記上面(20)から前記下面(25)に達している、半導体構造(1)。 - 前記リード構造(2)が少なくとも1つの凹部(7)を備えており、前記凹部(7)の中に前記半導体素子(3)が固定されている、
請求項1に記載の半導体構造(1)。 - 前記下面(25)の前記ランド(9)が前記封止材(6)によって覆われていない、
請求項1または2に記載の半導体構造(1)。 - 前記リード構造(2)の1つの表面上において前記ランド(9)それぞれの周囲に、前記ソルダーレジスト層(5)の材料の閉路が存在し、当該閉路は、その全体が前記リード構造(2)の前記上面(20)または前記下面(25)に配置されている、
請求項1〜3のいずれか1項に記載の半導体構造(1)。 - 前記少なくとも2つの部分(2a,2b,2c)が隙間(8)によって互いに隔てられている、
請求項1〜4のいずれか1項に記載の半導体構造(1)。 - 前記下面(25)の10%未満が前記封止材(6)および前記ソルダーレジスト層(5)によって覆われている、
請求項1〜5のいずれか1項に記載の半導体構造(1)。 - 前記ソルダーレジスト層(5)がソルダーレジストラッカーからなる、
請求項1〜6のいずれか1項に記載の半導体構造(1)。 - 前記上面(20)および前記下面(25)の両方における少なくとも2つの前記ランド(9)、
を備えている、請求項1〜7のいずれか1項に記載の半導体構造(1)。 - 前記接続要素(4)がボンディングワイヤ(4)である、
請求項1〜8のいずれか1項に記載の半導体構造(1)。 - 前記少なくとも1個の半導体素子(3)が、発光ダイオード、レーザダイオード、またはフォトダイオードである、
請求項1〜9のいずれか1項に記載の半導体構造(1)。 - 請求項1〜10のいずれか1項に記載の半導体構造(1)を製造する方法であって、
− 上面(20)と、前記上面(20)に対向する下面(25)とを有するリード構造(2)を設けるステップと、
− 少なくとも1層のソルダーレジスト層(5)を、前記リード構造(2)の前記上面(20)および前記下面(25)の、少なくとも一部分に塗布するステップであって、前記上面(20)および前記下面(25)のうち前記ソルダーレジスト層(5)によって覆われていない少なくともサブゾーンが、電気的ランド(9)を形成する、ステップと、
− オプトエレクトロニクス半導体素子(3)を、前記リード構造(2)の前記上面(20)における前記ランド(9)の1つの上に配置し、前記リード構造(2)に導電接続するステップと、
− 前記リード構造(2)の上で前記半導体素子(3)を封止材(6)によって封止するステップであって、前記封止材(6)が前記ソルダーレジスト層(5)の少なくとも一部分に機械的に接触し、前記ランド(9)それぞれの周囲が前記ソルダーレジスト層(5)によって囲まれるように行われる、ステップと、
を含み、
前記リード構造(2)を金属薄板の半製品の一部として形成し、
前記半製品から前記リード構造(2)を分離する前に、前記ソルダーレジスト層(5)を塗布する、方法。 - 前記ソルダーレジスト層(5)を塗布した後、前記ランド(9)それぞれに少なくとも1層の金属層(16)を形成し、
前記上面(20)および前記下面(25)のうち前記ソルダーレジスト層(5)によって覆われている領域が、前記金属層(16)によって覆われないままである、
請求項11に記載の方法。 - 前記ソルダーレジスト層(5)をパターンとして塗布し、次いで、硬化させる、もしくは乾燥させる、またはその両方を行い、
硬化または乾燥の後、前記ソルダーレジスト層(5)が前記リード構造(2)の前記上面(20)上および前記下面(25)上にそのまま完全に残る、
請求項11または12に記載の方法。
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DE102009008738.9 | 2009-02-12 | ||
PCT/EP2010/051116 WO2010091967A1 (de) | 2009-02-12 | 2010-01-29 | Verkapselte optoeleketronische halbleiteranordnung mit lötstoppschicht und entsprechendes verfahren |
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EP2396832A1 (de) | 2011-12-21 |
TW201112458A (en) | 2011-04-01 |
WO2010091967A1 (de) | 2010-08-19 |
US8710609B2 (en) | 2014-04-29 |
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