JP4438049B2 - 電界効果トランジスタ及びそれを用いたセンサ並びにその製造方法 - Google Patents
電界効果トランジスタ及びそれを用いたセンサ並びにその製造方法 Download PDFInfo
- Publication number
- JP4438049B2 JP4438049B2 JP2003291523A JP2003291523A JP4438049B2 JP 4438049 B2 JP4438049 B2 JP 4438049B2 JP 2003291523 A JP2003291523 A JP 2003291523A JP 2003291523 A JP2003291523 A JP 2003291523A JP 4438049 B2 JP4438049 B2 JP 4438049B2
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- Prior art keywords
- silicon
- sensor
- aluminum
- effect transistor
- film
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/26—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating electrochemical variables; by using electrolysis or electrophoresis
- G01N27/403—Cells and electrode assemblies
- G01N27/414—Ion-sensitive or chemical field-effect transistors, i.e. ISFETS or CHEMFETS
- G01N27/4146—Ion-sensitive or chemical field-effect transistors, i.e. ISFETS or CHEMFETS involving nanosized elements, e.g. nanotubes, nanowires
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S438/00—Semiconductor device manufacturing: process
- Y10S438/96—Porous semiconductor
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T436/00—Chemistry: analytical and immunological testing
- Y10T436/11—Automated chemical analysis
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T436/00—Chemistry: analytical and immunological testing
- Y10T436/11—Automated chemical analysis
- Y10T436/113332—Automated chemical analysis with conveyance of sample along a test line in a container or rack
- Y10T436/114165—Automated chemical analysis with conveyance of sample along a test line in a container or rack with step of insertion or removal from test line
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- Molecular Biology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Physics & Mathematics (AREA)
- Nanotechnology (AREA)
- Microelectronics & Electronic Packaging (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
- Insulated Gate Type Field-Effect Transistor (AREA)
- Electroluminescent Light Sources (AREA)
- Thin Film Transistor (AREA)
Description
図1は、本発明のセンサの一例を示す概略図である。この例では基板に垂直な数ナノメートルから数十ナノメートルサイズで高密度(1.5×1011個/cm2以上)に形成された細孔をもった多孔質膜を電界効果トランジスタの感応部であるゲート絶縁膜上に形成した例を示している。
以下、本発明によるセンサの製造方法について詳細に説明する。図6,7は、本発明のセンサの製造方法の一例を示す説明図である。図6,7の(a)〜(f)の順に追って説明する。また、図8(a),(b)は、本発明のセンサに用いられる多孔質膜の製造方法の一例を示す。本製造法の特徴は、電界効果トランジスタ上の感応部への多孔質膜形成部分である(b)(c)(d)にあり、その他の工程は、通常の電界効果トランジスタの製造方法が適用できる。なお、ここでは、単結晶基板を用いた電界効果トランジスタの製造方法の概略例が示されているが、これに限定されるものではない。
102、128、174 ソース領域
103、129、175 ドレイン領域
104、122、142、152、172 感応部(ゲート絶縁膜等)
105、111、125、135 細孔
106、126、127、136、145、156、171 多孔質膜
112 部材
123、134 第一の成分と第二の成分の混合膜
124、133 第一の成分(アルミニウム)
132、143、153 第一の成分と共晶を形成し得る第二の成分
144 気体分子
154 被検出物質
155 検出対象物質(生体分子)
173 ゲート電極
Claims (4)
- ソース領域とドレイン領域を有する基板上に、ゲート絶縁層を介して基板にほぼ垂直な柱状細孔を有する多孔質膜を備えた電界効果トランジスタの製造方法であって、
前記ゲート絶縁層を備えた基板を用意する工程と、
前記ゲート絶縁層の上に、アルミニウムを含む柱状部材と、該アルミニウムと共晶を形成し得るシリコン、ゲルマニウム、またはシリコンとゲルマニウムの複合物を含み、該柱状部材を取り囲む構造部材と、を備える構造体をスパッタリングにより形成する工程と、前記柱状部材をエッチングにより除去し、前記構造部材に柱状細孔を形成する工程と、前記ソース領域とドレイン領域を形成する工程とを有することを特徴とする電界効果トランジスタの製造方法。 - 前記構造部材の主成分がシリコンであることを特徴とする請求項1記載の電界効果トランジスタの製造方法。
- 前記柱状細孔が形成された前記多孔質膜をアニールする工程を有することを特徴とする請求項2に記載の電界効果トランジスタの製造方法。
- 請求項1から3のいずれかに記載の電界効果トランジスタの製造方法により製造された電界効果トランジスタを用いたセンサ。
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2003291523A JP4438049B2 (ja) | 2003-08-11 | 2003-08-11 | 電界効果トランジスタ及びそれを用いたセンサ並びにその製造方法 |
| PCT/JP2004/011529 WO2005015193A1 (en) | 2003-08-11 | 2004-08-04 | Field-effect transistor, sensor using it, and production method thereof |
| US10/530,549 US7329387B2 (en) | 2003-08-11 | 2004-08-04 | Field-effect transistor, sensor using it, and production method thereof |
| US11/945,838 US7829362B2 (en) | 2003-08-11 | 2007-11-27 | Field-effect transistor, sensor using it, and production method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2003291523A JP4438049B2 (ja) | 2003-08-11 | 2003-08-11 | 電界効果トランジスタ及びそれを用いたセンサ並びにその製造方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2005061960A JP2005061960A (ja) | 2005-03-10 |
| JP4438049B2 true JP4438049B2 (ja) | 2010-03-24 |
Family
ID=34131657
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2003291523A Expired - Fee Related JP4438049B2 (ja) | 2003-08-11 | 2003-08-11 | 電界効果トランジスタ及びそれを用いたセンサ並びにその製造方法 |
Country Status (3)
| Country | Link |
|---|---|
| US (2) | US7329387B2 (ja) |
| JP (1) | JP4438049B2 (ja) |
| WO (1) | WO2005015193A1 (ja) |
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| JP4560362B2 (ja) * | 2004-09-17 | 2010-10-13 | キヤノン株式会社 | センサおよびその製造方法 |
| US20090163384A1 (en) | 2007-12-22 | 2009-06-25 | Lucent Technologies, Inc. | Detection apparatus for biological materials and methods of making and using the same |
| JP5006598B2 (ja) * | 2005-09-16 | 2012-08-22 | キヤノン株式会社 | 電界効果型トランジスタ |
| JP5294565B2 (ja) * | 2006-03-17 | 2013-09-18 | キヤノン株式会社 | 発光素子及び発光素子の製造方法 |
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| EP2174122A2 (en) | 2007-06-08 | 2010-04-14 | Bharath R Takulapalli | Nano structured field effect sensor and methods of forming and using same |
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-
2003
- 2003-08-11 JP JP2003291523A patent/JP4438049B2/ja not_active Expired - Fee Related
-
2004
- 2004-08-04 US US10/530,549 patent/US7329387B2/en not_active Expired - Fee Related
- 2004-08-04 WO PCT/JP2004/011529 patent/WO2005015193A1/en not_active Ceased
-
2007
- 2007-11-27 US US11/945,838 patent/US7829362B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| US20080076201A1 (en) | 2008-03-27 |
| US20060120918A1 (en) | 2006-06-08 |
| US7829362B2 (en) | 2010-11-09 |
| US7329387B2 (en) | 2008-02-12 |
| JP2005061960A (ja) | 2005-03-10 |
| WO2005015193A1 (en) | 2005-02-17 |
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