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US5487875A Expired / Lapsed US ⏱️ 0.0 years remaining

Microwave introducing device provided with an endless circular waveguide and plasma treating apparatus provided with said device

Assignee: Canon Inc
•
Filing: 1992-11-05
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Granted: 1996-01-30
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Expires: 2012-11-05
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Abstract

Abstract A microwave introducing device has an endless circular waveguide provided with a plurality of slots. The circular waveguide is provided with a microwave introducing portion connected to a microwave power source, and the plurality of slots are spaced through an inner side of the circular waveguide such that the slots are arranged at the inner side of the circular waveguide at a given interval. A plasma treating apparatus can be provided with the microwave introducing device.

Inventors

  • 👤 Nobumasa Suzuki

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-09 09:07
CPC Classifications
H; H01; H01J; H01J37/00; H01J37/32; H01J37/32009; H01J37/32192; H01J37/32211; H01J37/32229; Y; Y10; Y10S; Y10S422/00; Y10S422/906

Claims Analysis

Total Claims: 36
Claim 1
Independent Claim 122 words
A plasma treating apparatus comprising a substantially enclosed plasma generation chamber and a microwave introducing device disposed beside an exterior of said plasma generation chamber, wherein plasma is generated by applying a microwave into said plasma generation chamber through said microwave introducing device to generate plasma whereby treating an object positioned in said plasma generation chamber, wherein said microwave introducing device comprises an endless circular waveguide provided with a plurality of slots, said circular waveguide being provided with a microwave introducing portion connected to a microwave power source, and said plurality of slots being spacedly formed through an inner side of said circular waveguide such that the slots are arranged at said inner side of said circular waveguide at a given interval.
Claim 2
Dependent Claim 122 words
A plasma treating apparatus comprising a substantially enclosed plasma generation chamber and a microwave introducing device disposed beside an exterior of said plasma generation chamber, wherein plasma is generated by applying a microwave into said plasma generation chamber through said microwave introducing device to generate plasma whereby treating an object positioned in said plasma generation chamber, wherein said microwave introducing device comprises an endless circular waveguide provided with a plurality of slots, said circular waveguide being provided with a microwave introducing portion connected to a microwave power source, and said plurality of slots being spacedly formed through an inner side of said circular waveguide such that the slots are arranged at said inner side of said circular waveguide at a given interval.
Claim 3
Dependent Claim 34 words
A plasma treating apparatus according to claim 1, wherein the plurality of slots are spaced at an interval corresponding to a 1/4 of the guide wavelength of a microwave introduced into the circular waveguide.
Claim 4
Dependent Claim 27 words
A plasma treating apparatus according to any of claims 1 or 2, wherein said microwave introducing portion is directed toward the tangential direction of said circular waveguide.
Claim 5
Dependent Claim 34 words
A plasma treating apparatus according to any of claims 1 or 2, wherein the plurality of slots are designed such that their length distribution is increased along the direction of a microwave to transmit.
Claim 6
Dependent Claim 57 words
A plasma treating apparatus according to any of claims 1 or 3, wherein said microwave introducing portion is disposed in a direction perpendicular to said circular waveguide, and said microwave introducing portion includes means capable of dividing a microwave introduced in two ways and facilitating the microwaves divided to transmit in opposite sides in said circular waveguide.
Claim 7
Dependent Claim 52 words
A plasma treating apparatus according to any of claims 1 or 5 which is provided with a plurality of magnetic field generating means each being capable of generating a magnetic field in the vicinity of each pair of adjacent slots and in parallel to said inner side face of said circular waveguide.
Claim 8
Dependent Claim 144 words
A plasma treating apparatus comprising a substantially enclosed plasma generation chamber and a microwave introducing device disposed beside an exterior of said plasma generation chamber, wherein plasma is generated by applying a microwave into said plasma generation chamber through said microwave introducing device to generate plasma whereby treating an object positioned in a film-forming chamber in communication with said plasma generation chamber wherein the object is situated so as to isolate the region where said plasma is generated, wherein said microwave introducing device comprises an endless circular waveguide provided with a plurality of slots, said circular waveguide being provided with a microwave introducing portion connected to a microwave power source, and said plurality of slots being spacedly formed through an inner side of said circular waveguide such that the slots are arranged at said inner side of said circular waveguide at a given interval.
Claim 9
Dependent Claim 144 words
A plasma treating apparatus comprising a substantially enclosed plasma generation chamber and a microwave introducing device disposed beside an exterior of said plasma generation chamber, wherein plasma is generated by applying a microwave into said plasma generation chamber through said microwave introducing device to generate plasma whereby treating an object positioned in a film-forming chamber in communication with said plasma generation chamber wherein the object is situated so as to isolate the region where said plasma is generated, wherein said microwave introducing device comprises an endless circular waveguide provided with a plurality of slots, said circular waveguide being provided with a microwave introducing portion connected to a microwave power source, and said plurality of slots being spacedly formed through an inner side of said circular waveguide such that the slots are arranged at said inner side of said circular waveguide at a given interval.
Claim 10
Dependent Claim 34 words
A plasma treating apparatus according to claim 7, wherein the plurality of slots are spaced at an interval corresponding to a 1/4 of the guide wavelength of a microwave introduced into said circular waveguide.
Claim 11
Dependent Claim 27 words
A plasma treating apparatus according to any of claims 7 or 8, wherein said microwave introducing portion is directed toward the tangential direction of said circular waveguide.
Claim 12
Dependent Claim 34 words
A plasma treating apparatus according to any of claims 7 or 9, wherein the plurality of slots are designed such that their length distribution is increased along the direction of a microwave to transmit.
Claim 13
Dependent Claim 57 words
A plasma treating apparatus according to any of claims 7 or 8, wherein said microwave introducing portion is disposed in a direction perpendicular to said circular waveguide, and said microwave introducing portion includes means capable of dividing a microwave introduced in two ways and facilitating the microwaves divided to transmit in opposite sides in said circular waveguide.
Claim 14
Dependent Claim 52 words
A plasma treating apparatus according to any of claims 7 or 8 which is provided with a plurality of magnetic field generating means each being capable of generating a magnetic field in the vicinity of each pair of adjacent slots and in parallel to said inner side face of said circular waveguide.
Claim 15
Dependent Claim 136 words
A plasma treating apparatus comprising a substantially enclosed plasma generation chamber and a microwave introducing device disposed beside an exterior of said plasma generation chamber, wherein plasma is generated by applying a microwave into said plasma generation chamber through said microwave introducing device to generate plasma whereby treating a cylindrical substrate as an object to be treated is arranged at a fixed position or continuously moving in an axial direction, wherein said microwave introducing device comprises an endless circular waveguide provided with a plurality of slots, said circular waveguide being provided with a microwave introducing portion connected to a microwave power source, and said plurality of slots being spacedly formed through an inner side of said circular waveguide such that the slots are arranged at said inner side of said circular waveguide at a given interval.
Claim 16
Dependent Claim 136 words
A plasma treating apparatus comprising a substantially enclosed plasma generation chamber and a microwave introducing device disposed beside an exterior of said plasma generation chamber, wherein plasma is generated by applying a microwave into said plasma generation chamber through said microwave introducing device to generate plasma whereby treating a cylindrical substrate as an object to be treated is arranged at a fixed position or continuously moving in an axial direction, wherein said microwave introducing device comprises an endless circular waveguide provided with a plurality of slots, said circular waveguide being provided with a microwave introducing portion connected to a microwave power source, and said plurality of slots being spacedly formed through an inner side of said circular waveguide such that the slots are arranged at said inner side of said circular waveguide at a given interval.
Claim 17
Dependent Claim 34 words
A plasma treating apparatus according to claim 13, wherein the plurality of slots are spaced at an interval corresponding to a 1/4 of the guide wavelength of a microwave introduced into said circular waveguide.
Claim 18
Dependent Claim 27 words
A plasma treating apparatus according to any of claims 13 or 14, wherein said microwave introducing portion is directed toward the tangential direction of said circular waveguide.
Claim 19
Dependent Claim 34 words
A plasma treating apparatus according to any of claims 13 or 14, wherein the plurality of slots are designed such that their length distribution is increased along the direction of a microwave to transmit.
Claim 20
Dependent Claim 57 words
A plasma treating apparatus according to any of claims 13 or 14, wherein said microwave introducing portion is disposed in a direction perpendicular to said circular waveguide, and said microwave introducing portion includes means capable of dividing a microwave introduced in two ways and facilitating the microwaves divided to transmit in opposite sides in said circular waveguide.
Claim 21
Dependent Claim 52 words
A plasma treating apparatus according to any of claims 13 or 14 which is provided with a plurality of magnetic field generating means each being capable of generating a magnetic field in the vicinity of each pair of adjacent slots and in parallel to said inner side face of said circular waveguide.
Claim 22
Dependent Claim 26 words
A plasma treating apparatus according to claim 13, wherein the object to be treated comprises a plurality of cylindrical substrates arranged in parallel with each other.
Claim 23
Dependent Claim 150 words
A plasma treating apparatus comprising a substantially enclosed plasma generation chamber having a cross section in a rectangular form and a rectangular microwave introducing device disposed beside an exterior of said plasma generation chamber, wherein plasma is generated by applying a microwave into said plasma generation chamber through said microwave introducing device to generate plasma whereby treating a web member or a lengthy substrate as an object to be treated while continuously moving the web member or said lengthy substrate in the longtudinal direction, wherein said microwave introducing device comprises an endless circular waveguide provided with a plurality of slots, said circular waveguide being provided with a microwave introducing portion connected to a microwave power source, and the plurality of slots being spacedly formed through an inner side of said circular waveguide such that the slots are arranged at said inner side of said circular waveguide at a given interval.
Claim 24
Dependent Claim 150 words
A plasma treating apparatus comprising a substantially enclosed plasma generation chamber having a cross section in a rectangular form and a rectangular microwave introducing device disposed beside an exterior of said plasma generation chamber, wherein plasma is generated by applying a microwave into said plasma generation chamber through said microwave introducing device to generate plasma whereby treating a web member or a lengthy substrate as an object to be treated while continuously moving the web member or said lengthy substrate in the longtudinal direction, wherein said microwave introducing device comprises an endless circular waveguide provided with a plurality of slots, said circular waveguide being provided with a microwave introducing portion connected to a microwave power source, and the plurality of slots being spacedly formed through an inner side of said circular waveguide such that the slots are arranged at said inner side of said circular waveguide at a given interval.
Claim 25
Dependent Claim 34 words
A plasma treating apparatus according to claim 20, wherein the plurality of slots are spaced at an interval corresponding to a 1/4 of the guide wavelength of a microwave introduced into the circular waveguide.
Claim 26
Dependent Claim 27 words
A plasma treating apparatus according to any of claims 20 or 21, wherein the microwave introducing portion is directed toward the tangential direction of said circular waveguide.
Claim 27
Dependent Claim 34 words
A plasma treating apparatus according to any of claims 20 or 21, wherein the plurality of slots are designed such that their length distribution is increased along the direction of a microwave to transmit.
Claim 28
Dependent Claim 53 words
A plasma treating apparatus according to claim 21, wherein said microwave introducing portion is disposed in the direction perpendicular to said circular waveguide, and said microwave introducing portion includes means capable of dividing a microwave introduced in two ways and facilitating the microwaves divided to transmit in opposite sides in said circular waveguide.
Claim 29
Dependent Claim 48 words
A plasma treating apparatus according to claim 21 which is provided with a plurality of magnetic field generating means each being capable of generating a magnetic field in the vicinity of each pair of adjacent slots and in parallel to said inner side face of said circular waveguide.
Claim 30
Dependent Claim 171 words
A plasma treating apparatus comprising a substantially enclosed plasma generation chamber having a cross section in a rectangular form and a rectangular microwave introducing device disposed beside an exterior of said plasma generation chamber, wherein plasma is generated by applying a microwave into said plasma generation chamber through said microwave introducing device to generate plasma whereby treating two web members or lengthy substrates as an object to be treated while facing two deposition faces of said two web members or lengthy substrates toward said microwave introducing device and while not moving or continuously moving said two web members or lengthy substrates in the longtudinal direction, wherein said microwave introducing device comprises an endless circular waveguide provided with a plurality of slots, said circular waveguide being provided with a microwave introducing portion connected to a microwave power source, and the plurality of slots being spacedly formed through an inner side of said circular waveguide such that the slots are arranged at said inner side of said circular waveguide at a given interval.
Claim 31
Dependent Claim 171 words
A plasma treating apparatus comprising a substantially enclosed plasma generation chamber having a cross section in a rectangular form and a rectangular microwave introducing device disposed beside an exterior of said plasma generation chamber, wherein plasma is generated by applying a microwave into said plasma generation chamber through said microwave introducing device to generate plasma whereby treating two web members or lengthy substrates as an object to be treated while facing two deposition faces of said two web members or lengthy substrates toward said microwave introducing device and while not moving or continuously moving said two web members or lengthy substrates in the longtudinal direction, wherein said microwave introducing device comprises an endless circular waveguide provided with a plurality of slots, said circular waveguide being provided with a microwave introducing portion connected to a microwave power source, and the plurality of slots being spacedly formed through an inner side of said circular waveguide such that the slots are arranged at said inner side of said circular waveguide at a given interval.
Claim 32
Dependent Claim 34 words
A plasma treating apparatus according to claim 26, wherein the plurality of slots are spaced at an interval corresponding to a 1/4 of the guide wavelength of a microwave introduced into said circular waveguide.
Claim 33
Dependent Claim 27 words
A plasma treating apparatus according to any of claims 26 or 27, wherein said microwave introducing portion is directed toward the tangential direction of said circular waveguide.
Claim 34
Dependent Claim 34 words
A plasma treating apparatus according to any of claims 26 or 27, wherein the plurality of slots are designed such that their length distribution is increased along the direction of a microwave to transmit.
Claim 35
Dependent Claim 57 words
A plasma treating apparatus according to any of claims 26 or 27, wherein the microwave introducing portion is disposed in the direction perpendicular to said circular waveguide, and said microwave introducing portion includes means capable of dividing a microwave introduced in two ways and facilitating the microwaves divided to transmit in opposite sides in said circular waveguide.
Claim 36
Dependent Claim 52 words
A plasma treating apparatus according to any of claims 26 or 27 which is provided with a plurality of magnetic field generating means each being capable of generating a magnetic field in the vicinity of each pair of adjacent slots and in parallel to said inner side face of said circular waveguide.

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USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1999-01-29 1999-07-31 2000-01-30 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 2003-01-29 2003-07-31 2004-01-30 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 2007-01-29 2007-07-31 2008-01-30 $7700.00 Window Closed / Lapsed

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