JP2007300143A - 半導体基体中に形成されたスパイラル形状インダクタ及びそのインダクタを形成するための方法 - Google Patents
半導体基体中に形成されたスパイラル形状インダクタ及びそのインダクタを形成するための方法 Download PDFInfo
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- 239000010937 tungsten Substances 0.000 description 12
- 229910052782 aluminium Inorganic materials 0.000 description 11
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 11
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- 239000010936 titanium Substances 0.000 description 10
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- 238000004804 winding Methods 0.000 description 1
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- H—ELECTRICITY
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- H01L28/00—Passive two-terminal components without a potential-jump or surface barrier for integrated circuits; Details thereof; Multistep manufacturing processes therefor
- H01L28/10—Inductors
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L27/00—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate
- H01L27/02—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers
- H01L27/04—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being a semiconductor body
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F17/00—Fixed inductances of the signal type
- H01F17/0006—Printed inductances
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- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
- H01F41/02—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
- H01F41/04—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets for manufacturing coils
- H01F41/041—Printed circuit coils
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L23/00—Details of semiconductor or other solid state devices
- H01L23/52—Arrangements for conducting electric current within the device in operation from one component to another, i.e. interconnections, e.g. wires, lead frames
- H01L23/522—Arrangements for conducting electric current within the device in operation from one component to another, i.e. interconnections, e.g. wires, lead frames including external interconnections consisting of a multilayer structure of conductive and insulating layers inseparably formed on the semiconductor body
- H01L23/5227—Inductive arrangements or effects of, or between, wiring layers
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- H01L27/00—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate
- H01L27/02—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers
- H01L27/04—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being a semiconductor body
- H01L27/08—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being a semiconductor body including only semiconductor components of a single kind
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- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F17/00—Fixed inductances of the signal type
- H01F17/0006—Printed inductances
- H01F2017/0046—Printed inductances with a conductive path having a bridge
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- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
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- Y10S257/904—FET configuration adapted for use as static memory cell with passive components,, e.g. polysilicon resistors
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- Y10T29/49073—Electromagnet, transformer or inductor by assembling coil and core
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- 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
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- Y10T29/49117—Conductor or circuit manufacturing
- Y10T29/49124—On flat or curved insulated base, e.g., printed circuit, etc.
- Y10T29/49155—Manufacturing circuit on or in base
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- General Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Semiconductor Integrated Circuits (AREA)
- Coils Or Transformers For Communication (AREA)
- Internal Circuitry In Semiconductor Integrated Circuit Devices (AREA)
Abstract
【解決手段】 能動デバイス領域からなる半導体基体上に形成されたインダクタであって、インダクタは半導体基体に積層される誘電体層上に形成された導電線からなる。導電線は、一つの実施例においては平面スパイラル形状である所望の形状にパターン成形され、エッチング加工される。インダクタの下の基体領域はインダクタのQ値を上げるために除去される。
【選択図】 図9
Description
本発明によるインダクタを形成するプロセスが集積回路の半導体基体10を示す図1から始まる。なお、半導体基体10は(図示されない)複数の能動素子を一般に含む。本発明の一つの実施例によると、インダクタ収容のため能動素子は領域12及び14内に形成されない。
40、126、132、144 誘電体層
44 窓部
46、48 能動領域
50、67 チタン層
58、68 窒化チタン層
60 タングステン層
62 タングステンプラグ
66 アルミニウム積層
66A アルミニウム導電線
69 アルミニウム層
70 キャップ
71、89、92、120 インダクタ
76 終端
82 空間
124、130、142 導体経路
128、140、146 導体構造物
Claims (7)
- インダクタを形成する方法であって、
半導体基体を形成するステップ、
誘電体層を該基体の上層に形成するステップであって、該誘電体層が上表面からなるステップ、
該上表面上の導電線を形成するステップであって、該導電線は誘電効果を持つステップ、及び、
該半導体基体の該導電線の少なくとも一部分の下方にある領域を除去するステップからなる方法。 - 請求項1記載の方法であって、さらに、該半導体基体中に能動領域を形成するステップからなる方法。
- 請求項1記載の方法において、該導電線は第1及び第2の終端からなり、さらに、該第1及び第2の終端を能動領域に接続するために該誘電体層を貫通して導電性相互接続を形成するステップからなる方法。
- 請求項1記載の方法において、該半導体基体を除去するステップは該半導体基体をエッチングするステップからなる方法。
- 請求項1記載の方法において、該半導体基体を除去するステップは該半導体基体を微細加工するステップからなる方法。
- インダクタを形成する方法であって、
半導体基体を形成するステップ、
1以上の誘電体層を該基体の上層に形成するステップであって、該1以上の誘電体層の上側の層が上表面からなるステップ、
該上表面上に導電線を形成するステップであって、該導電線は誘電効果を持つステップ、及び、
該導電線の少なくとも一部分の下方にある該誘電体層の1以上の領域を除去することによって開口部を画定するステップからなる方法、 - 請求項6記載の方法であって、さらに、該開口部中に誘電体材料をメッキするステップからなる方法。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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US10/646,997 US7075167B2 (en) | 2003-08-22 | 2003-08-22 | Spiral inductor formed in a semiconductor substrate |
Related Parent Applications (1)
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JP2004240186A Division JP2005072588A (ja) | 2003-08-22 | 2004-08-20 | 半導体基体中に形成されたスパイラル形状インダクタ及びそのインダクタを形成するための方法 |
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JP2007300143A true JP2007300143A (ja) | 2007-11-15 |
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JP2004240186A Pending JP2005072588A (ja) | 2003-08-22 | 2004-08-20 | 半導体基体中に形成されたスパイラル形状インダクタ及びそのインダクタを形成するための方法 |
JP2007210590A Pending JP2007300143A (ja) | 2003-08-22 | 2007-08-13 | 半導体基体中に形成されたスパイラル形状インダクタ及びそのインダクタを形成するための方法 |
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JP2004240186A Pending JP2005072588A (ja) | 2003-08-22 | 2004-08-20 | 半導体基体中に形成されたスパイラル形状インダクタ及びそのインダクタを形成するための方法 |
Country Status (7)
Country | Link |
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US (2) | US7075167B2 (ja) |
EP (2) | EP1830402B1 (ja) |
JP (2) | JP2005072588A (ja) |
KR (1) | KR101084959B1 (ja) |
CN (3) | CN101794775B (ja) |
SG (1) | SG109577A1 (ja) |
TW (2) | TWI418017B (ja) |
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- 2004-08-18 SG SG200404702A patent/SG109577A1/en unknown
- 2004-08-20 KR KR1020040065903A patent/KR101084959B1/ko active IP Right Grant
- 2004-08-20 JP JP2004240186A patent/JP2005072588A/ja active Pending
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Also Published As
Publication number | Publication date |
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KR101084959B1 (ko) | 2011-11-23 |
CN101345242A (zh) | 2009-01-14 |
CN101345242B (zh) | 2010-07-21 |
TW201330228A (zh) | 2013-07-16 |
CN1707806A (zh) | 2005-12-14 |
EP1513170B1 (en) | 2014-09-24 |
KR20050020707A (ko) | 2005-03-04 |
JP2005072588A (ja) | 2005-03-17 |
EP1513170A3 (en) | 2005-05-25 |
CN101794775B (zh) | 2011-12-28 |
CN1707806B (zh) | 2010-08-18 |
TW200509370A (en) | 2005-03-01 |
US20050040471A1 (en) | 2005-02-24 |
EP1830402A3 (en) | 2007-10-17 |
US20070107206A1 (en) | 2007-05-17 |
EP1513170A2 (en) | 2005-03-09 |
SG109577A1 (en) | 2005-03-30 |
US7381607B2 (en) | 2008-06-03 |
TWI412119B (zh) | 2013-10-11 |
EP1830402A2 (en) | 2007-09-05 |
EP1830402B1 (en) | 2015-06-17 |
US7075167B2 (en) | 2006-07-11 |
TWI418017B (zh) | 2013-12-01 |
CN101794775A (zh) | 2010-08-04 |
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