JP4630680B2 - 半導体素子の製造方法およびインクジェット記録ヘッドの製造方法 - Google Patents
半導体素子の製造方法およびインクジェット記録ヘッドの製造方法 Download PDFInfo
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- JP4630680B2 JP4630680B2 JP2005023716A JP2005023716A JP4630680B2 JP 4630680 B2 JP4630680 B2 JP 4630680B2 JP 2005023716 A JP2005023716 A JP 2005023716A JP 2005023716 A JP2005023716 A JP 2005023716A JP 4630680 B2 JP4630680 B2 JP 4630680B2
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- 239000004065 semiconductor Substances 0.000 title claims description 123
- 238000004519 manufacturing process Methods 0.000 title claims description 38
- 239000000758 substrate Substances 0.000 claims description 46
- 238000000034 method Methods 0.000 claims description 39
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 35
- 229910052710 silicon Inorganic materials 0.000 claims description 35
- 239000010703 silicon Substances 0.000 claims description 35
- 238000005520 cutting process Methods 0.000 claims description 29
- 238000007747 plating Methods 0.000 claims description 19
- 239000004020 conductor Substances 0.000 claims description 18
- 239000003566 sealing material Substances 0.000 claims description 15
- 229910052751 metal Inorganic materials 0.000 claims description 8
- 239000002184 metal Substances 0.000 claims description 8
- 238000000059 patterning Methods 0.000 claims description 6
- 238000009713 electroplating Methods 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- 239000010410 layer Substances 0.000 description 21
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 15
- 239000010931 gold Substances 0.000 description 15
- 229910052737 gold Inorganic materials 0.000 description 15
- 230000004048 modification Effects 0.000 description 15
- 238000012986 modification Methods 0.000 description 15
- 235000012431 wafers Nutrition 0.000 description 15
- 229910052782 aluminium Inorganic materials 0.000 description 8
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 8
- 238000010438 heat treatment Methods 0.000 description 8
- 239000011229 interlayer Substances 0.000 description 6
- 229920002120 photoresistant polymer Polymers 0.000 description 6
- 238000005304 joining Methods 0.000 description 5
- 230000001681 protective effect Effects 0.000 description 5
- 238000001312 dry etching Methods 0.000 description 3
- 238000005530 etching Methods 0.000 description 3
- 238000000206 photolithography Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- WGTYBPLFGIVFAS-UHFFFAOYSA-M tetramethylammonium hydroxide Chemical compound [OH-].C[N+](C)(C)C WGTYBPLFGIVFAS-UHFFFAOYSA-M 0.000 description 2
- ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical compound [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 description 1
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- 238000000347 anisotropic wet etching Methods 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010891 electric arc Methods 0.000 description 1
- 238000007772 electroless plating Methods 0.000 description 1
- 239000008151 electrolyte solution Substances 0.000 description 1
- 239000008393 encapsulating agent Substances 0.000 description 1
- 229910052740 iodine Inorganic materials 0.000 description 1
- 239000011630 iodine Substances 0.000 description 1
- 239000011368 organic material Substances 0.000 description 1
- 239000003870 refractory metal Substances 0.000 description 1
- 238000005488 sandblasting Methods 0.000 description 1
- 229910052715 tantalum Inorganic materials 0.000 description 1
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 description 1
- 238000001039 wet etching Methods 0.000 description 1
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Description
図1には、本発明の第1の実施形態の半導体素子20の要部が示されている。これらの半導体素子20は、1枚のウエハに複数個形成された後にウエハを切断することによって得られたものであり、インクジェット記録ヘッド用基板を構成している。そして、この半導体素子20の端面の一部に電気接続部(接続用電極)10が設けられている。接続用電極10は、この半導体素子20の最外面と同一面の位置、または当該最外面よりも内側に位置するように形成されている。なお、1枚のウエハから複数個の半導体素子20を得る場合には、半導体素子20の最外面は切断端面と実質的に同じである。そして、本実施形態では、この半導体素子20の接続用電極10に、外部の電気導電部材、例えばフレキシブルプリント基板やTAB(Tape Automated Bonding)リード16等が接続される。
図15に示す本発明の第2の実施形態は、接続用電極10が封止材17によって保護された構成である。それ以外の構成は第1の実施形態と実質的に同一であるので、同一の符号を付与し説明を省略する。
図20に示す本発明の第3の実施形態は、半導体素子23が、互いに接合される複数の半導体チップ23aによって構成されている。これらの半導体チップ23aは、互いに嵌め合わされることによって機械的接合と電気的接続とを同時に達成する凹凸部18を有しているものである。図20(a)には、本実施形態の2つの半導体チップ23aの要部が示され、図20(b)にはこれらが接合された半導体素子23が示されている。図20,23は、図22,25,26のD−D線の位置で断面した図である。
3 発熱抵抗体(エネルギー発生手段)
4 アルミニウム配線層
10 金めっき層(接続用電極)
11 有機膜
12 有機膜
12a インク吐出口が設けられた面
13 インク吐出口
14 インク流路
16 TABリード(外部導電部材)
17 封止材
18 凹凸部
20,23 半導体素子
21 溝
22 段差部
23a 半導体チップ
Claims (3)
- シリコン基板を基材として作り込まれ、前記シリコン基板を切断することにより得られる半導体素子の製造方法において、
前記半導体素子の間の切断ラインの位置に凹部を形成する工程と、
前記半導体素子と外部との電気的接続を行うための接続用電極を、前記凹部内に形成する接続用電極の形成工程と、
前記凹部に沿って切断することにより、前記半導体素子を前記シリコン基板から分離する工程と、
を有し、
前記接続用電極の形成工程は、前記切断ラインをまたぐ領域にめっき導体を形成する工程と、前記めっき導体の上にレジストを形成してパターニングする工程と、前記レジストの存在しない領域に電解めっき法により金属を成長させる工程と、前記レジストと前記めっき導体とを除去する工程と、を有し、前記切断ラインをまたぐ領域に成長した金属によって前記接続用電極を構成する
ことを特徴とする半導体素子の製造方法。 - シリコン基板を切断することによって得られる半導体素子に、インクジェット記録ヘッドの構造を形成するインクジェット記録ヘッドの製造方法において、
前記シリコン基板に作り込まれた半導体素子に、インクを吐出する吐出エネルギーを発生する手段と、インク吐出口と、インク流路と、を設ける工程と、
前記半導体素子の間の切断ラインの位置に凹部を形成する工程と、
前記半導体素子と外部との電気的接続を行うための接続用電極を、前記凹部内に形成する接続用電極の形成工程と、
前記凹部に沿って切断することにより、前記半導体素子を前記シリコン基板から分離する工程と、
前記接続用電極と外部導電部材とを接合する工程と、
を有し、
前記接続用電極の形成工程は、前記切断ラインをまたぐ領域にめっき導体を形成する工程と、前記めっき導体の上にレジストを形成してパターニングする工程と、前記レジストの存在しない領域に電解めっき法により金属を成長させる工程と、前記レジストと前記めっき導体とを除去する工程と、を有し、前記切断ラインをまたぐ領域に成長した金属によって前記接続用電極を構成する
ことを特徴とするインクジェット記録ヘッドの製造方法。 - 前記接続用電極と前記外部導電部材との接続部を覆う封止材を設ける工程をさらに有し、前記封止材は、前記インク吐出口が開口する表面より突出しないように設けられていることを特徴とする、請求項2に記載のインクジェット記録ヘッドの製造方法。
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US11/340,467 US7591071B2 (en) | 2005-01-31 | 2006-01-27 | Manufacturing Method of Semiconductive Element and Ink Jet Head Substrate |
KR1020060009253A KR100865183B1 (ko) | 2005-01-31 | 2006-01-31 | 반도체 소자, 잉크 제트 헤드용 기판 및 이의 제조 방법 |
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US20060170734A1 (en) | 2006-08-03 |
US7591071B2 (en) | 2009-09-22 |
KR20060088068A (ko) | 2006-08-03 |
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