JP6216142B2 - 半導体装置の製造方法 - Google Patents
半導体装置の製造方法 Download PDFInfo
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- JP6216142B2 JP6216142B2 JP2013086061A JP2013086061A JP6216142B2 JP 6216142 B2 JP6216142 B2 JP 6216142B2 JP 2013086061 A JP2013086061 A JP 2013086061A JP 2013086061 A JP2013086061 A JP 2013086061A JP 6216142 B2 JP6216142 B2 JP 6216142B2
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- 239000004065 semiconductor Substances 0.000 title claims description 111
- 238000004519 manufacturing process Methods 0.000 title claims description 30
- 239000000758 substrate Substances 0.000 claims description 115
- 239000012535 impurity Substances 0.000 claims description 110
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 63
- 229910052814 silicon oxide Inorganic materials 0.000 claims description 63
- 238000000034 method Methods 0.000 claims description 17
- 238000009792 diffusion process Methods 0.000 claims description 16
- 238000002513 implantation Methods 0.000 claims description 10
- 230000003647 oxidation Effects 0.000 claims description 10
- 238000007254 oxidation reaction Methods 0.000 claims description 10
- 238000010438 heat treatment Methods 0.000 claims description 8
- 230000001590 oxidative effect Effects 0.000 claims description 5
- 230000000149 penetrating effect Effects 0.000 claims description 5
- 239000012298 atmosphere Substances 0.000 claims description 3
- 239000007943 implant Substances 0.000 claims 3
- 150000002500 ions Chemical class 0.000 claims 3
- 239000010410 layer Substances 0.000 description 48
- 229910052710 silicon Inorganic materials 0.000 description 40
- 239000010703 silicon Substances 0.000 description 40
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 39
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 18
- 229910052796 boron Inorganic materials 0.000 description 17
- 230000015572 biosynthetic process Effects 0.000 description 9
- 238000005468 ion implantation Methods 0.000 description 9
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 7
- 238000005530 etching Methods 0.000 description 7
- 239000011521 glass Substances 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- 229910052698 phosphorus Inorganic materials 0.000 description 6
- 239000011574 phosphorus Substances 0.000 description 6
- 239000011347 resin Substances 0.000 description 6
- 229920005989 resin Polymers 0.000 description 6
- 229910052581 Si3N4 Inorganic materials 0.000 description 5
- 239000011229 interlayer Substances 0.000 description 5
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 5
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 4
- BHEPBYXIRTUNPN-UHFFFAOYSA-N hydridophosphorus(.) (triplet) Chemical compound [PH] BHEPBYXIRTUNPN-UHFFFAOYSA-N 0.000 description 4
- 239000001301 oxygen Substances 0.000 description 4
- 229910052760 oxygen Inorganic materials 0.000 description 4
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 4
- 229920005591 polysilicon Polymers 0.000 description 4
- 230000001681 protective effect Effects 0.000 description 4
- WGTYBPLFGIVFAS-UHFFFAOYSA-M tetramethylammonium hydroxide Chemical compound [OH-].C[N+](C)(C)C WGTYBPLFGIVFAS-UHFFFAOYSA-M 0.000 description 4
- 239000007864 aqueous solution Substances 0.000 description 3
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 239000002244 precipitate Substances 0.000 description 3
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000000206 photolithography Methods 0.000 description 2
- 230000001737 promoting effect Effects 0.000 description 2
- 229910052715 tantalum Inorganic materials 0.000 description 2
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 description 2
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 1
- 239000012670 alkaline solution Substances 0.000 description 1
- 229910052785 arsenic Inorganic materials 0.000 description 1
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000001312 dry etching Methods 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 239000012299 nitrogen atmosphere Substances 0.000 description 1
- 230000003071 parasitic effect Effects 0.000 description 1
- 238000000059 patterning Methods 0.000 description 1
- 150000003376 silicon Chemical class 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000001039 wet etching Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/04—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer
- H01L21/18—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic Table or AIIIBV compounds with or without impurities, e.g. doping materials
- H01L21/26—Bombardment with radiation
- H01L21/263—Bombardment with radiation with high-energy radiation
- H01L21/265—Bombardment with radiation with high-energy radiation producing ion implantation
- H01L21/266—Bombardment with radiation with high-energy radiation producing ion implantation using masks
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
- B41J2/01—Ink jet
- B41J2/135—Nozzles
- B41J2/14—Structure thereof only for on-demand ink jet heads
- B41J2/14016—Structure of bubble jet print heads
- B41J2/14088—Structure of heating means
- B41J2/14112—Resistive element
- B41J2/14129—Layer structure
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
- B41J2/01—Ink jet
- B41J2/135—Nozzles
- B41J2/16—Production of nozzles
- B41J2/1601—Production of bubble jet print heads
- B41J2/1603—Production of bubble jet print heads of the front shooter type
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
- B41J2/01—Ink jet
- B41J2/135—Nozzles
- B41J2/16—Production of nozzles
- B41J2/1621—Manufacturing processes
- B41J2/1626—Manufacturing processes etching
- B41J2/1628—Manufacturing processes etching dry etching
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
- B41J2/01—Ink jet
- B41J2/135—Nozzles
- B41J2/16—Production of nozzles
- B41J2/1621—Manufacturing processes
- B41J2/1626—Manufacturing processes etching
- B41J2/1629—Manufacturing processes etching wet etching
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
- B41J2/01—Ink jet
- B41J2/135—Nozzles
- B41J2/16—Production of nozzles
- B41J2/1621—Manufacturing processes
- B41J2/1631—Manufacturing processes photolithography
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
- B41J2/01—Ink jet
- B41J2/135—Nozzles
- B41J2/16—Production of nozzles
- B41J2/1621—Manufacturing processes
- B41J2/1637—Manufacturing processes molding
- B41J2/1639—Manufacturing processes molding sacrificial molding
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/04—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer
- H01L21/18—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic Table or AIIIBV compounds with or without impurities, e.g. doping materials
- H01L21/26—Bombardment with radiation
- H01L21/263—Bombardment with radiation with high-energy radiation
- H01L21/265—Bombardment with radiation with high-energy radiation producing ion implantation
- H01L21/26506—Bombardment with radiation with high-energy radiation producing ion implantation in group IV semiconductors
- H01L21/26513—Bombardment with radiation with high-energy radiation producing ion implantation in group IV semiconductors of electrically active species
- H01L21/2652—Through-implantation
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
- H01L29/66—Types of semiconductor device ; Multistep manufacturing processes therefor
- H01L29/68—Types of semiconductor device ; Multistep manufacturing processes therefor controllable by only the electric current supplied, or only the electric potential applied, to an electrode which does not carry the current to be rectified, amplified or switched
- H01L29/76—Unipolar devices, e.g. field effect transistors
- H01L29/772—Field effect transistors
- H01L29/78—Field effect transistors with field effect produced by an insulated gate
- H01L29/7801—DMOS transistors, i.e. MISFETs with a channel accommodating body or base region adjoining a drain drift region
- H01L29/7816—Lateral DMOS transistors, i.e. LDMOS transistors
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- High Energy & Nuclear Physics (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- General Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Computer Hardware Design (AREA)
- Toxicology (AREA)
- Health & Medical Sciences (AREA)
- Ceramic Engineering (AREA)
- Insulated Gate Type Field-Effect Transistor (AREA)
- Metal-Oxide And Bipolar Metal-Oxide Semiconductor Integrated Circuits (AREA)
Description
Claims (9)
- ツインウェル構造を有する半導体装置の製造方法であって、
半導体基板の互いに隣接する第1領域及び第2領域に第1導電型不純物をイオン注入する第1注入工程と、
前記半導体基板の前記第1領域を覆うとともに前記第2領域を露出する第1マスクパターンを形成するマスクパターン形成工程と、
前記第1マスクパターンを用いて、前記半導体基板の前記第2領域に前記第1導電型不純物よりも高濃度の第2導電型不純物をイオン注入する第2注入工程と、
前記第1導電型不純物と前記第2導電型不純物とを熱拡散する拡散工程と、
前記半導体基板の前記第1領域の上に第1部分を有し、前記半導体基板の前記第2領域の上に前記第1部分よりも厚みが薄い第2部分を有するシリコン酸化膜を形成する酸化膜形成工程と、
前記シリコン酸化膜の上に、前記シリコン酸化膜の前記第1部分の一部及び前記第2部分の一部を露出する第2マスクパターンを形成する工程と、
前記シリコン酸化膜の前記第1部分及び前記第2マスクパターンを用いて、前記半導体基板の前記第2領域の一部に不純物をイオン注入する工程と、
前記シリコン酸化膜のうち前記第2マスクパターンから露出した部分を選択的に成長させてフィールド酸化膜を形成する工程と、
前記半導体基板の前記第2領域を貫通するインク供給口を形成する工程と、
を有することを特徴とする製造方法。 - 前記酸化膜形成工程は、
前記マスクパターン形成工程の前に、前記半導体基板の前記第1領域及び前記第2領域の上にシリコン酸化膜を形成する工程と、
前記マスクパターン形成工程の後に、前記第1マスクパターンを用いて、前記シリコン酸化膜のうち前記第2領域を覆う部分の上部を除去して前記シリコン酸化膜の前記第2部分を形成する工程と、
を有することを特徴とする請求項1に記載の製造方法。 - 前記酸化膜形成工程は、
前記マスクパターン形成工程の前に、前記半導体基板の前記第1領域及び前記第2領域の上にシリコン酸化膜を形成する工程と、
前記マスクパターン形成工程の後に、前記第1マスクパターンを用いて、前記シリコン酸化膜のうち前記第2領域を覆う部分を除去する工程と、
前記拡散工程において、前記半導体基板の前記第2領域を熱酸化して前記シリコン酸化膜の前記第2部分を形成する工程と、
を有することを特徴とする請求項1に記載の製造方法。 - 前記拡散工程の後にゲート電極を形成する工程を更に有することを特徴とする請求項1乃至3の何れか1項に記載の製造方法。
- ツインウェル構造を有する半導体装置の製造方法であって、
半導体基板の互いに隣接する第1領域及び第2領域に第1導電型不純物をイオン注入する第1注入工程と、
前記半導体基板の前記第1領域を覆うとともに前記第2領域を露出する第1マスクパターンを形成するマスクパターン形成工程と、
前記第1マスクパターンを用いて、前記半導体基板の前記第2領域に前記第1導電型不純物よりも高濃度の第2導電型不純物をイオン注入する第2注入工程と、
前記第1導電型不純物と前記第2導電型不純物とを熱拡散する拡散工程と、
前記半導体基板の前記第1領域の上に第1部分を有し、前記半導体基板の前記第2領域の上に前記第1部分よりも厚みが薄い第2部分を有するシリコン酸化膜を形成する酸化膜形成工程と、
前記シリコン酸化膜の上に、前記シリコン酸化膜の前記第2部分の一部を露出する第2マスクパターンを形成する工程と、
前記シリコン酸化膜の前記第1部分及び前記第2マスクパターンを用いて、前記半導体基板の前記第2領域の一部に不純物をイオン注入する工程と、
を有し、
前記酸化膜形成工程は、
前記マスクパターン形成工程の前に、前記半導体基板の前記第1領域及び前記第2領域の上にシリコン酸化膜を形成する工程と、
前記マスクパターン形成工程の後に、前記第1マスクパターンを用いて、前記シリコン酸化膜のうち前記第2領域を覆う部分の上部を除去して前記シリコン酸化膜の前記第2部分を形成する工程と、
を有することを特徴とする製造方法。 - ツインウェル構造を有する半導体装置の製造方法であって、
半導体基板の互いに隣接する第1領域及び第2領域に第1導電型不純物をイオン注入する第1注入工程と、
前記半導体基板の前記第1領域を覆うとともに前記第2領域を露出する第1マスクパターンを形成するマスクパターン形成工程と、
前記第1マスクパターンを用いて、前記半導体基板の前記第2領域に前記第1導電型不純物よりも高濃度の第2導電型不純物をイオン注入する第2注入工程と、
前記第1導電型不純物と前記第2導電型不純物とを熱拡散する拡散工程と、
前記半導体基板の前記第1領域の上に第1部分を有し、前記半導体基板の前記第2領域の上に前記第1部分よりも厚みが薄い第2部分を有するシリコン酸化膜を形成する酸化膜形成工程と、
前記シリコン酸化膜の上に、前記シリコン酸化膜の前記第2部分の一部を露出する第2マスクパターンを形成する工程と、
前記シリコン酸化膜の前記第1部分及び前記第2マスクパターンを用いて、前記半導体基板の前記第2領域の一部に不純物をイオン注入する工程と、
を有し、
前記酸化膜形成工程は、
前記マスクパターン形成工程の前に、前記半導体基板の前記第1領域及び前記第2領域の上にシリコン酸化膜を形成する工程と、
前記マスクパターン形成工程の後に、前記第1マスクパターンを用いて、前記シリコン酸化膜のうち前記第2領域を覆う部分を除去する工程と、
前記拡散工程において、前記半導体基板の前記第2領域を熱酸化して前記シリコン酸化膜の前記第2部分を形成する工程と、
を有することを特徴とする製造方法。 - 前記シリコン酸化膜のうち前記第2マスクパターンから露出した部分を選択的に成長させてフィールド酸化膜を形成する工程を更に有することを特徴とする請求項5又は6に記載の製造方法。
- 前記第2導電型不純物の濃度は、前記第1導電型不純物の濃度の2倍以上であることを特徴とする請求項1乃至7の何れか1項に記載の製造方法。
- 前記第2注入工程の後に、前記半導体基板に対して非酸化雰囲気で熱処理を行う工程を更に有することを特徴とする請求項1乃至8の何れか1項に記載の製造方法。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2013086061A JP6216142B2 (ja) | 2012-05-28 | 2013-04-16 | 半導体装置の製造方法 |
US13/889,507 US9082699B2 (en) | 2012-05-28 | 2013-05-08 | Method of manufacturing a semiconductor device |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2012121386 | 2012-05-28 | ||
JP2012121386 | 2012-05-28 | ||
JP2013086061A JP6216142B2 (ja) | 2012-05-28 | 2013-04-16 | 半導体装置の製造方法 |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2014007385A JP2014007385A (ja) | 2014-01-16 |
JP2014007385A5 JP2014007385A5 (ja) | 2016-04-14 |
JP6216142B2 true JP6216142B2 (ja) | 2017-10-18 |
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