US5220171A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wafer holding device in an exposure apparatus
Assignee: Canon Inc
•
Filing: 1991-11-01
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Granted: 1993-06-15
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Expires: 2011-11-01
Abstract
Abstract A substrate holding device includes a chuck having an attracting surface for holding a substrate, an inside space and an inside heat pipe structure provided in the inside space, the heat pipe structure removing generated heat by evaporation of a liquid medium; a temperature controlling block having a structure that allows flow of a temperature controlling medium therethrough, the temperature controlling block being thermally coupled to the attracting surface of the chuck through the heat pipe structure; and a stage for moving the chuck and the temperature controlling block as a unit, and for supporting the chuck through the temperature controlling block.
Inventors
- 👤 Shinichi Hara
- 👤 Eiji Sakamoto
- 👤 Ryuichi Ebinuma
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 14:45
CPC Classifications
H; H10; H10P; H10P72/00; H10P72/04; H10P72/0431; H10P72/0434; G; G03; G03F; G03F7/00; G03F7/70; G03F7/70691; G03F7/707; G03F7/708; G03F7/70858; G03F7/70866; G03F7/70875
Claims Analysis
Total Claims: 26
Claim 1
Independent Claim
102 words
A substrate holding device, comprising: a chuck having an attracting surface for holding a substrate, an inside space and an inside heat pipe structure provided in the inside space, said heat pipe structure removing generated heat by evaporation of a liquid medium; a temperature controlling block having a structure that allows flow of a temperature controlling medium therethrough, said temperature controlling block being thermally coupled to said attracting surface of said chuck through said heat pipe structure; and a stage for moving said chuck and said temperature controlling block as a unit, and for supporting said chuck through said temperature controlling block.
Claim 2
Dependent Claim
102 words
A substrate holding device, comprising: a chuck having an attracting surface for holding a substrate, an inside space and an inside heat pipe structure provided in the inside space, said heat pipe structure removing generated heat by evaporation of a liquid medium; a temperature controlling block having a structure that allows flow of a temperature controlling medium therethrough, said temperature controlling block being thermally coupled to said attracting surface of said chuck through said heat pipe structure; and a stage for moving said chuck and said temperature controlling block as a unit, and for supporting said chuck through said temperature controlling block.
Claim 3
Dependent Claim
22 words
A device according to claim 1, wherein said chuck has a plurality of independent heat pipe structures provided in the inside space.
Claim 4
Dependent Claim
13 words
A device according to claim 1, wherein the substrate comprises a semiconductor wafer.
Claim 5
Dependent Claim
102 words
A substrate holding device, comprising: a chuck having an attracting surface for holding a substrate, and extending substantially vertically, said chuck further having an inside space and a plurality of independent heat pipe structures provided in the inside space, said heat pipe structures removing generated heat by evaporation of a liquid medium; a temperature controlling block having a structure that allows flow of a temperature controlling medium therethrough, said temperature controlling block being thermally coupled to said attracting surface of said chuck through said heat pipe structures; and a stage for moving said chuck and said temperature controlling block as a unit.
Claim 6
Dependent Claim
102 words
A substrate holding device, comprising: a chuck having an attracting surface for holding a substrate, and extending substantially vertically, said chuck further having an inside space and a plurality of independent heat pipe structures provided in the inside space, said heat pipe structures removing generated heat by evaporation of a liquid medium; a temperature controlling block having a structure that allows flow of a temperature controlling medium therethrough, said temperature controlling block being thermally coupled to said attracting surface of said chuck through said heat pipe structures; and a stage for moving said chuck and said temperature controlling block as a unit.
Claim 7
Dependent Claim
18 words
A device according to claim 4, wherein said heat pipe structures are arrayed substantially along the vertical direction.
Claim 8
Dependent Claim
13 words
A device according to claim 4, wherein the substrate comprises a semiconductor wafer.
Claim 9
Dependent Claim
126 words
A substrate holding device, comprising: a chuck having an attracting surface for holding a substrate for exposure of a zone of the substrate with a radiation beam, said chuck further having an inside space and an inside heat pipe structure provided in the inside space, wherein the heat pipe structure removes generated heat by evaporation of a liquid medium and said attracting surface has an area not smaller than that of the zone of the substrate; a temperature controlling block having a structure that allows flow of a temperature controlling medium therethrough, said temperature controlling block being thermally coupled to said attracting surface of said chuck through said heat pipe structure; and a stage for moving said chuck and said temperature controlling block as a unit.
Claim 10
Dependent Claim
126 words
A substrate holding device, comprising: a chuck having an attracting surface for holding a substrate for exposure of a zone of the substrate with a radiation beam, said chuck further having an inside space and an inside heat pipe structure provided in the inside space, wherein the heat pipe structure removes generated heat by evaporation of a liquid medium and said attracting surface has an area not smaller than that of the zone of the substrate; a temperature controlling block having a structure that allows flow of a temperature controlling medium therethrough, said temperature controlling block being thermally coupled to said attracting surface of said chuck through said heat pipe structure; and a stage for moving said chuck and said temperature controlling block as a unit.
Claim 11
Dependent Claim
35 words
A device according to claim 5, wherein a surface of the inside space of said chuck, on an opposite side of said attracting surface, has an area not smaller than that of said attracting surface.
Claim 12
Dependent Claim
22 words
A device according to claim 8, wherein said chuck has a plurality of independent heat pipe structures arrayed along said attracting surface.
Claim 13
Dependent Claim
13 words
A device according to claim 7, wherein the substrate comprises a semiconductor wafer.
Claim 14
Dependent Claim
123 words
A substrate holding device, comprising: a chuck having an attracting surface for holding a substrate; a heat pipe structure provided on a side of said chuck remote from said attracting surface, said heat pipe structure removing generated heat by evaporation of a liquid medium; a Peltier device provided on the side of said chuck remote from said attracting surface; a temperature controlling block having a structure that allows flow of a temperature controlling medium therethrough, said temperature controlling block being thermally coupled to said attracting surface of said chuck through said heat pipe structure and said Peltier device; and a stage for moving said chuck and said temperature controlling block as a unit, and for supporting said chuck through said temperature controlling block.
Claim 15
Dependent Claim
123 words
A substrate holding device, comprising: a chuck having an attracting surface for holding a substrate; a heat pipe structure provided on a side of said chuck remote from said attracting surface, said heat pipe structure removing generated heat by evaporation of a liquid medium; a Peltier device provided on the side of said chuck remote from said attracting surface; a temperature controlling block having a structure that allows flow of a temperature controlling medium therethrough, said temperature controlling block being thermally coupled to said attracting surface of said chuck through said heat pipe structure and said Peltier device; and a stage for moving said chuck and said temperature controlling block as a unit, and for supporting said chuck through said temperature controlling block.
Claim 16
Dependent Claim
27 words
A device according to claim 4, wherein a plurality of independent heat pipe structures are provided on the side of said chuck remote from said attracting surface.
Claim 17
Dependent Claim
13 words
A device according to claim 11, wherein the substrate comprises a semiconductor wafer.
Claim 18
Dependent Claim
120 words
A substrate holding device, comprising: a chuck having an attracting surface for holding a substrate and extending substantially vertically; a plurality of independent heat pipe structures provided on a side of said chuck remote from said attracting surface, said heat pipe structures removing generated heat by evaporation of a liquid medium; a Peltier device provided on the side of said chuck remote from said attracting surface; a temperature controlling block having a structure that allows flow of a temperature controlling medium therethrough, said temperature controlling block being thermally coupled to said attracting surface of said chuck through said heat pipe structures and said Peltier device; and a stage for moving said chuck and said temperature controlling block as a unit.
Claim 19
Dependent Claim
120 words
A substrate holding device, comprising: a chuck having an attracting surface for holding a substrate and extending substantially vertically; a plurality of independent heat pipe structures provided on a side of said chuck remote from said attracting surface, said heat pipe structures removing generated heat by evaporation of a liquid medium; a Peltier device provided on the side of said chuck remote from said attracting surface; a temperature controlling block having a structure that allows flow of a temperature controlling medium therethrough, said temperature controlling block being thermally coupled to said attracting surface of said chuck through said heat pipe structures and said Peltier device; and a stage for moving said chuck and said temperature controlling block as a unit.
Claim 20
Dependent Claim
18 words
A device according to claim 14, wherein said heat pipe structures are arrayed substantially along the vertical direction.
Claim 21
Dependent Claim
13 words
A device according to claim 14, wherein the substrate comprises a semiconductor wafer.
Claim 22
Dependent Claim
142 words
A substrate holding device, comprising: a chuck having an attracting surface for holding a substrate for exposure of a zone of the substrate with a radiation beam, wherein said attracting surface has an area not smaller than that of the zone of the substrate; a heat pipe structure provided on a side of said chuck remote from said attracting surface, said heat pipe structure removing generated heat by evaporation of a liquid medium; a Peltier device provided on the side of said chuck remote from said attracting surface; a temperature controlling block having a structure that allows flow of a temperature controlling medium therethrough, said temperature controlling block being thermally coupled to said attracting surface of said chuck through said heat pipe structure and said Peltier device; and a stage for moving said chuck and said temperature controlling block as a unit.
Claim 23
Dependent Claim
142 words
A substrate holding device, comprising: a chuck having an attracting surface for holding a substrate for exposure of a zone of the substrate with a radiation beam, wherein said attracting surface has an area not smaller than that of the zone of the substrate; a heat pipe structure provided on a side of said chuck remote from said attracting surface, said heat pipe structure removing generated heat by evaporation of a liquid medium; a Peltier device provided on the side of said chuck remote from said attracting surface; a temperature controlling block having a structure that allows flow of a temperature controlling medium therethrough, said temperature controlling block being thermally coupled to said attracting surface of said chuck through said heat pipe structure and said Peltier device; and a stage for moving said chuck and said temperature controlling block as a unit.
Claim 24
Dependent Claim
34 words
A device according to claim 12, wherein a surface of said heat pipe structure surface opposed to said attracting surface of said chuck has an area not smaller than that of said attracting surface.
Claim 25
Dependent Claim
31 words
A device according to claim 17, wherein, on a side of said chuck remote from said attracting surface, a plurality of independent heat pipe structures are arrayed along said attracting surface.
Claim 26
Dependent Claim
13 words
A device according to claim 17, wherein the substrate comprises a semiconductor wafer.
References Cited (Backward Citations)
US5093579A
Cited
US5126571A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1996-06-14 | 1996-12-14 | 1997-06-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2000-06-14 | 2000-12-14 | 2001-06-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2004-06-14 | 2004-12-14 | 2005-06-15 | $7700.00 | Window Closed / Lapsed |