WO2006009281A1 - プラズマ処理装置および方法、並びにフラットパネルディスプレイ装置の製造方法 - Google Patents
プラズマ処理装置および方法、並びにフラットパネルディスプレイ装置の製造方法 Download PDFInfo
- Publication number
- WO2006009281A1 WO2006009281A1 PCT/JP2005/013587 JP2005013587W WO2006009281A1 WO 2006009281 A1 WO2006009281 A1 WO 2006009281A1 JP 2005013587 W JP2005013587 W JP 2005013587W WO 2006009281 A1 WO2006009281 A1 WO 2006009281A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- waveguide
- plasma processing
- microwave
- radiation
- processing apparatus
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J37/00—Discharge tubes with provision for introducing objects or material to be exposed to the discharge, e.g. for the purpose of examination or processing thereof
- H01J37/32—Gas-filled discharge tubes
- H01J37/32009—Arrangements for generation of plasma specially adapted for examination or treatment of objects, e.g. plasma sources
- H01J37/32192—Microwave generated discharge
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J37/00—Discharge tubes with provision for introducing objects or material to be exposed to the discharge, e.g. for the purpose of examination or processing thereof
- H01J37/32—Gas-filled discharge tubes
- H01J37/32009—Arrangements for generation of plasma specially adapted for examination or treatment of objects, e.g. plasma sources
- H01J37/32192—Microwave generated discharge
- H01J37/32211—Means for coupling power to the plasma
- H01J37/3222—Antennas
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05H—PLASMA TECHNIQUE; PRODUCTION OF ACCELERATED ELECTRICALLY-CHARGED PARTICLES OR OF NEUTRONS; PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMIC BEAMS
- H05H1/00—Generating plasma; Handling plasma
- H05H1/24—Generating plasma
- H05H1/46—Generating plasma using applied electromagnetic fields, e.g. high frequency or microwave energy
Definitions
- the present invention relates to a plasma processing apparatus and method, and more particularly to a plasma processing apparatus and method for processing a target object such as a flat panel display using plasma generated by microwaves.
- microwave plasma processing apparatus In the manufacture of flat panel display devices such as LCD (liquid crystal display), plasma processing devices are widely used to perform processes such as etching, ashing, and CVD (Chemical Vapor D mark osition).
- a microwave plasma processing apparatus that generates plasma by ionizing or exciting a gas in a processing container by supplying microwaves into the processing container.
- a microwave plasma processing apparatus that uses a planar antenna having a circular radiation surface such as a radial line slot antenna as a means for supplying microwaves has been put into practical use.
- a planar antenna having a circular radiation surface such as a radial line slot antenna as a means for supplying microwaves has been put into practical use.
- FIG. 29 is a longitudinal sectional view showing the overall configuration of a conventional plasma processing apparatus using a waveguide slot antenna array.
- FIG. 30 is a cross-sectional view of a part of the configuration including the waveguide slot antenna array. In these figures, some of the components are shown as functional blocks.
- the conventional plasma processing apparatus shown in FIG. 29 includes a mounting table 902 on which an LCD substrate 903 and the like are mounted as an object to be processed, a bottomed cylindrical processing container 901 having a square shape in which the mounting table 902 is accommodated, An exhaust port 906 for evacuation provided at the peripheral edge of the bottom surface of the processing vessel 901, a gas introduction port 907 for introducing gas into the processing vessel 901, and a dielectric plate 908 for closing the upper opening of the processing vessel 901; And a waveguide slot antenna array 910 disposed above the dielectric plate 908.
- the waveguide slot antenna array 910 has a microwave The output side of the distributor 930 is connected, and the microwave oscillator 942 is connected to the input side of the microwave distributor 930 via a microwave waveguide 941.
- the waveguide slot antenna array 910 includes a plurality of waveguide slot antennas 910A, 910B, 910C, and 910D forces.
- the waveguide slot antennas 910A to 910D are antennas in which a plurality of radiating slots 911 are formed on the H surface (wide side wall parallel to the magnetic field) of a radiating waveguide made of a rectangular waveguide. One end of the radiating waveguide is open and the other end is short-circuited.
- Such waveguide slot antennas 910A to 910D are orthogonal to the axial direction of the radiation waveguide with the H surface of the radiation waveguide in which the slot 911 is formed facing the mounting table 902. Arranged in the width direction.
- the microwave distributor 930 includes an introduction part 931 having the same width as the microwave waveguide 41, a branch part 932 bifurcated from the tip of the introduction part 931 and extending in an oblique direction, and a branching part 932
- the parallel part 933 extending in parallel to the axial direction of the waveguide slot antennas 910A to 910D from the respective ends of the waveguide slot antennas, and the total width of the waveguide slot antennas 910A to 910D
- a divided portion 934 having the same width.
- a stub 935 is provided at the center of the boundary between the introduction section 931 and the branch section 932.
- the dividing portion 934 is partitioned at the center in the width direction by a partition plate 936 extending in the axial direction of the radiating waveguide.
- the microwave when the microwave oscillator 42 is driven, the microwave is introduced into the introduction portion 931 of the microwave distributor 930 through the microwave waveguide 41.
- the phase of the microwave introduced into the introduction part 931 is adjusted by the stub 935, divided into two parts by the branch part 932, reaches the division part 934 via the parallel part 933, and each of the waveguide slot antennas 910A to 910D.
- the microwaves introduced into the radiation waveguide are gradually radiated from the plurality of slots 911 formed on the H surface while propagating through the tube, and are transmitted through the dielectric plate 908 and supplied into the processing vessel 901.
- the Electrons are accelerated by the microwave electric field supplied into the processing container 901, and the gas in the processing container 901 is ionized, excited, and dissociated, and reactive species are generated.
- the surface of the LCD substrate 903 on the mounting table 902 is subjected to processing such as etching.
- the inside of the processing container 901 having a square shape in a plan view can be expanded.
- Plasma can be generated by supplying microwaves to the range.
- the microwave distributor 930 is symmetrical with respect to the center line C parallel to the axial direction of the waveguide for radiating the waveguide slot antennas 910A to 910D, a plurality of waveguide slot antennas 910A to 910 D are provided.
- the method of increasing the cross-sectional size of the waveguide for radiating the waveguide slot antenna is to increase the aperture area. Conceivable. However, if the long side of the cross section of the radiating waveguide exceeds the guide wavelength, the TE mode is excited in addition to the TE mode, and the microwave control
- the waveguide slot antennas are arranged apart from each other and the surface waves are excited in the dielectric plate 908 by the microwaves radiated from each waveguide slot antenna, the surface waves are stationary. Because of the wave mode, the electric field distribution is non-uniform, and the distribution of plasma excited by the electric field is also non-uniform. In addition, since the electric field component in the direction perpendicular to the plasma surface is large, the microwave is absorbed into the plasma and the electron temperature immediately increases, causing substrate damage and metal contamination due to sputtering of the processing vessel 901.
- the electric field strength in the processing container 901 is stronger as it is closer to the slot 911 that supplies the microwave, and the electric field strength is stronger, plasma generation is promoted. It tends to be higher in the vicinity.
- the interval between the slots 911 arranged in the axial direction of the radiating waveguide of the waveguide slot antennas 910A to 910D may be reduced.
- the slots 911 are not arranged at a predetermined interval based on the guide wavelength of the radiating waveguide, the microwave radiation direction changes, and therefore there is a problem that the interval between the slots 911 cannot be reduced excessively. .
- the present invention has been made to solve such a problem, and an object of the present invention is to complicate the device configuration when increasing the opening area of an antenna array composed of a plurality of waveguide slot antennas. In addition to suppressing the increase in size, the design freedom of the device configuration is increased.
- Another object is to suppress the manufacturing cost of the plasma processing apparatus. Another object is to make the plasma density distribution in the processing vessel uniform. Means for solving the problem
- a plasma processing apparatus of the present invention has a mounting table on which an object to be processed is mounted, a processing container that houses the mounting table, and a slot in the radiation waveguide.
- a plurality of formed waveguide slot antennas are aligned in the width direction perpendicular to the axial direction of the radiation waveguide, and are arranged opposite to the mounting table, and the radiation waveguide
- a distributor for distributing the microwaves to each of the ends of the The distributor includes a power supply waveguide extending in the width direction of the waveguide slot antenna, the radiation waveguide formed on a wall surface of the power supply waveguide, and the power supply waveguide. And an opening that communicates with each other.
- FIG. 1 is a longitudinal sectional view showing the overall configuration of a plasma processing apparatus according to a first embodiment of the present invention.
- FIG. 2 is a cross-sectional view of the configuration of a microwave supply device used in the plasma processing apparatus shown in FIG.
- FIG. 3 is a cross-sectional view showing a configuration example of a radiation slot.
- FIG. 4 is a cross-sectional view showing a configuration of a microwave supply device used in a plasma processing apparatus according to a second embodiment of the present invention.
- FIG. 5 is a cross-sectional view showing a configuration of a microwave supply device used in a plasma processing apparatus according to a third embodiment of the present invention.
- FIG. 6A is a diagram showing a configuration example when a plurality of microwave supply devices are used in combination in a plasma processing apparatus according to a fourth embodiment of the present invention. The surface where the slot for radiation
- FIG. 6B is a diagram showing a configuration example in the case where a plurality of mic mouth wave supply devices are used in combination in the plasma processing apparatus according to the fourth embodiment of the present invention.
- VIb_VIl shows the cross-sectional configuration in the line direction.
- FIG. 7 is a diagram showing another configuration example when a plurality of microwave supply apparatuses are used in combination.
- FIG. 8 is a perspective view showing a main part configuration of a microwave supply device used in a plasma processing apparatus according to a fifth embodiment of the present invention.
- FIG. 9 is a longitudinal sectional view taken along the line IX-IX ′ in FIG.
- FIG. 10 is a cross-sectional view taken along line XX ′ in FIG.
- FIG. 11 is a diagram showing an example of the arrangement of radiation blocks inside a box.
- FIG. 12A is a diagram showing lines of magnetic force in the tube of the microwave waveguide.
- Fig. 12B shows the magnetic field lines in the radiation block to which the microwave waveguide is connected.
- FIG. 13A is a diagram showing a planar shape of a first example of a partition member that can be used for an antenna member.
- FIG. 13B is a diagram showing a planar shape of a second example of the partition member that can be used for the antenna member.
- FIG. 13C is a diagram showing a planar shape of a third example of the partition member that can be used for the antenna member.
- FIG. 13D is a diagram showing a planar shape of a fourth example of the partition member that can be used for the antenna member.
- FIG. 13E is a diagram showing a planar shape of a fifth example of the partition member that can be used for the antenna member.
- FIG. 13F is a diagram showing a planar shape of a sixth example of the partition member that can be used for the antenna member.
- FIG. 14 is a view showing another arrangement example of the slots for radiation.
- FIG. 15A is a diagram showing a design example of the radiating slot shown in FIG.
- FIG. 15B is a diagram showing another design example of the radiation slot shown in FIG.
- FIG. 16 is a diagram showing the microwave radiation characteristics of the radiation slot.
- FIG. 17 is a view showing still another arrangement example of the slots for radiation.
- FIG. 18 is a diagram showing another arrangement example of the radiation blocks inside the box.
- FIG. 19 is a diagram showing another arrangement example of the radiation blocks inside the box.
- FIG. 20 is a diagram showing another arrangement example of the radiation blocks inside the box.
- FIG. 21 is a diagram showing another arrangement example of the radiation blocks inside the box.
- FIG. 22 is a plan view showing a configuration example when a plurality of microwave supply devices are used in combination.
- Fig. 23 is a diagram showing the dimensions of the antenna member of the microwave supply device.
- FIG. 24 is a cross-sectional view taken along the line XXIV—XXIV ′ in FIG.
- FIG. 25A is a longitudinal sectional view showing an example of the configuration of the main part of the microwave supply device used in the plasma processing apparatus according to the seventh embodiment of the present invention.
- FIG. 25B is a longitudinal sectional view showing another example of the main configuration of the microwave supply device used in the plasma processing apparatus according to the seventh example of the present invention.
- FIG. 26 is a cross-sectional view taken along line XXVI—XXV in FIGS. 25A and 25B.
- FIG. 27A is a diagram showing lines of magnetic force in the tube of the microwave waveguide.
- FIG. 27B is a diagram showing lines of magnetic force in the radiation block to which the microwave waveguide is connected.
- FIG. 28 is a plan view showing a configuration example when a plurality of microwave supply devices are used in combination.
- FIG. 29 is a longitudinal sectional view showing the overall configuration of a conventional plasma processing apparatus using a waveguide slot antenna array.
- FIG. 30 is a cross-sectional view of a partial configuration including a waveguide slot antenna array.
- FIG. 1 is a longitudinal sectional view showing the overall configuration of the plasma processing apparatus according to the first embodiment of the present invention.
- FIG. 2 is a cross-sectional view of a part of the configuration of the plasma processing apparatus shown in FIG. In these drawings, some components are shown as functional blocks.
- the plasma processing apparatus shown in FIG. 1 has a bottomed cylindrical processing container 1 having a square shape in plan view.
- Processing vessel 1 is made of a metal such as A1.
- a mounting table 2 is disposed at the center of the bottom surface of the processing container 1.
- a high frequency power source 5 is connected to the mounting table 2 via a matching box 4.
- An exhaust port 6 for evacuation is provided on the peripheral edge of the bottom surface of the processing vessel 1, and a gas introduction port 7 for introducing gas into the processing vessel 1 is provided on the side wall of the processing vessel 1.
- a plasma gas such as Ar and a reaction gas such as CF are introduced.
- the upper opening of the processing vessel 1 is generated in the processing vessel 1 while introducing microwaves from there.
- the dielectric plate 8 made of quartz glass or the like is closed so as not to leak the plasma to the outside.
- An O-ring is interposed between the upper surface of the side wall of the processing container 1 and the dielectric plate 8 to ensure airtightness in the processing container 1.
- a waveguide slot antenna array 10 is disposed above the dielectric plate 8.
- the outer peripheries of the dielectric plate 8 and the antenna array 10 are covered with a shield material 9 disposed in a ring shape on the side wall of the processing container 1, and the microwaves supplied from the antenna array 10 into the processing container 1 are received. Leaked to the outside, it becomes a structure.
- a microwave supply device 50 is composed of the waveguide slot antenna array 10, the microwave distributor 30, the microwave waveguide 41, and the microwave oscillator 42.
- the microwave supply device 50 supplies microwaves into the processing container 1 from the outside via the dielectric plate 8.
- the waveguide slot antenna array 10 includes a plurality of waveguide slot antennas 10A, 10B, 10C, 10D, 10E, 10F, 10G, and 10H forces.
- Waveguide slot antennas 10A to 10H are antennas in which a plurality of radiation slots 11 are formed on the H surface of a radiation waveguide made of a rectangular waveguide.
- a feeding slot (opening) 12 is formed at one end of the radiating waveguide, and the other end is short-circuited.
- the waveguide slot antenna 1 OA ⁇ : 10H has the radiation waveguide axis line with the H surface of the radiation waveguide having the radiation slot 11 formed facing the mounting table 2. They are aligned in the width direction D2, which is perpendicular to the direction D1 (microwave travel direction).
- Waveguide slot antenna 10A A slow wave material 21 made of a dielectric is disposed in a tube of a radiation waveguide of 10H. If the relative permittivity of the slow wave material 21 is ⁇ r (> 1) and the guide wavelength when the inside of the radiating waveguide is hollow is g , the guide wavelength when the slow wave material 21 is placed; lg becomes Note that the end portion of the slow wave member 21 on the side where the power feeding slot 12 is provided has a gradient 21A so that the thickness gradually changes.
- a microwave absorber 22 is also arranged in the vicinity of the other end short-circuited in the tube of the radiation waveguide.
- the microwave absorber 22 is not always necessary.
- a cross slot that radiates circularly polarized waves is used.
- Black The slot has a configuration in which two slots in a pair intersect each other at the center, and the magnitude of the electric field radiated from each slot is equal, the phase is 90 ° different, and the polarization direction is orthogonal
- the relative permittivity ⁇ r in the radiating waveguide is 3.6
- the lengths of the two slots are 2.94 cm and 3.19 cm, respectively, and the two slots intersect each other at a substantially right angle.
- the length of the two slots is 2.80 cm and 3.83 cm, respectively, and the two slots cross each other at an angle of approximately 107 °, and are approximately 36 with respect to the axis of the radiation waveguide. Placed at 5 ° tilt.
- the plurality of radiating slots 11 composed of such cross slots are arranged on one side with respect to the central axis of the radiating waveguide at a substantially natural number times interval.
- the microwave distributor 30 has a plurality of power supply slots (openings) 12 formed on the E surface (the narrow side wall parallel to the electric field) of the power supply waveguide made of a rectangular waveguide.
- the feeding waveguide has the same length as the sum of the widths of the waveguide slot antennas 10A to 10H (the length in the width direction D2).
- an opening 31 is formed at the center of the E surface opposite to the E surface where the power feeding slot 12 is formed.
- a microwave oscillator 42 with an oscillation frequency of, for example, 2.45 GHz is connected to the opening 31 via a microwave waveguide 41 made of a rectangular waveguide.
- Inside the microwave waveguide 41 there is an iris (impedance matching device) near the connection with the feeding waveguide (for example, the central axial force of the feeding waveguide is about 1/4 of the wavelength inside the tube).
- 43 is provided inside the microwave waveguide 41.
- the iris 43 is a wall that protrudes vertically from the left and right side walls of the microwave waveguide 41. By adjusting the width of the pipeline of the microwave waveguide 41, the iris 43 is connected to the power supply side and the load side of the microwave waveguide 41. It is possible to match the impedance of each other.
- the power feeding slot 12 extends from the E surface where the opening 31 is formed.
- a guide wall 32 projecting vertically toward the center in the width direction D2 extends between the upper and lower H surfaces.
- the protruding length of the guide wall 32 is about 1Z5, which is the width of the feeding waveguide.
- no slow wave material is arranged and it is hollow.
- the width of the radiating waveguide is formed to be approximately g Z2.
- the power feeding slots 12 are also formed at approximately gZ2 intervals. Therefore, the microwaves are supplied in opposite phases from the feeding waveguide to the neighboring radiating waveguides via the feeding slot 12.
- the radiating slots 11 of adjacent waveguide slot antennas are arranged so that circularly polarized waves in the same rotational direction are radiated from all the radiating slots 11 of the waveguide slot antennas 10A to 10H. Arranged at a position shifted by approximately g / 2 in the axial direction D1 of the radiating waveguide.
- the waveguide slot antennas 10A to 10H are rectangular in plan view and arranged in parallel and spaced apart from each other.
- Two flat plates 13, 14 and the side walls 15, 16, 17, 18 connecting the peripheral edges of these flat plates 13, 14 and the inside of the box, which is also powerful, are separated from the side wall 15 by approximately g / 2.
- the partition plate 19 is arranged in parallel with the side walls 15, 17 and the area between the partition plate 19 and the side wall 17 is divided into seven partition plates 20 arranged in parallel with the side walls 16, 18. It is formed by partitioning at approximately / 2 intervals.
- the flat plates 13 and 14, the side walls 15 to 18 and the partition plates 19 and 20 are formed of a conductive plate such as copper.
- the flat plates 13 and 14 are the H surfaces of all the radiation waveguides and the feeding waveguide
- the side wall 15 is one E surface of the feeding waveguide
- the partition plate 19 is the feeding surface.
- the other E face of the waveguide and one end face of all the radiating waveguides, and the side wall 17 becomes the other end face of all the radiating waveguides, and a part of each of the side walls 16 and 18 Both end surfaces of the power supply waveguide are formed, and the other portions of the side walls 16 and 18 and the partition plate 20 are the E surfaces of the radiation waveguide.
- An opening 31 is formed in the central portion of the side wall 15, and a plurality of power supply slots 12 are formed in the partition plate 19.
- a plurality of radiation slots 11 are formed on the flat plate 14 facing the mounting table 2.
- the microwave when the microwave oscillator 42 is driven, the microwave passes through the microwave waveguide 41 through the opening 31 of the microwave distributor 30 and becomes a microphone. It is introduced into the feeding waveguide of the mouth wave distributor 30. Since the iris 43 is provided in the tube of the microwave waveguide 41 and impedance matching is achieved, the reflection of the microwave at the connection portion between the microwave waveguide 41 and the feeding waveguide is suppressed.
- the microwave introduced into the tube from the center of the power supply waveguide is bifurcated and propagates toward both end faces of the power supply waveguide. Then, the waveguide slot antennas 10A to 1 OH are guided to the induction wall 32 disposed at an interval of approximately lg Z2 in the microwave traveling direction, and through the feed slot 12 facing the induction wall 32. Evenly distributed to each radiating waveguide.
- the microwave introduced into the radiation waveguide is gradually radiated from a plurality of radiation slots 11 formed on the H plane while propagating through the tube in which the slow wave material 21 is disposed, and is thus dielectric. It passes through the plate 8 and is supplied into the processing container 1. Further, the microwave remaining without being emitted from the radiation slot 11 is absorbed by the microwave absorber 22.
- Electrons are accelerated by the microwave electric field supplied into the processing container 1, and the gas in the processing container 1 is ionized, excited, and dissociated to generate reactive species.
- the surface of the LCD substrate 3 on the mounting table 2 is subjected to processing such as etching.
- the waveguide slot antennas 10A to 10H a configuration in which a plurality of power supply slots 12 are formed on the E surface of the power supply waveguide extending in the direction D2 in which 10H is aligned.
- the microwave distributor 30 is used. Even if the number of waveguide slot antennas is increased in order to increase the opening area, this distributor 30 is fed with the same length as the sum of the widths of the radiating waveguides of all the waveguide slot antennas. Therefore, the device configuration is not as complicated and large as the conventional microwave distributor 930. Also, if the number of waveguide slot antennas is other than 2n , it can be handled by simply adjusting the length of the feed waveguide. Therefore, it is possible to suppress the complexity and increase in size of the device configuration when the number of waveguide slot antennas is increased to increase the opening area, and it is possible to increase the degree of design freedom of the device configuration.
- the waveguide slot antenna 10A ⁇ Microwaves are radiated from the slot surface of 10H in a substantially vertical direction, and the electric field component in the direction perpendicular to the plasma surface is small. It is possible to realize low electron temperature plasma with a small amount.
- an iris 43 is disposed in the tube of the microwave waveguide 41, and the impedance between the power source side and the load side of the microwave waveguide 41 is matched, so that the microwave waveguide 41 and the feeding conductor are matched. The reflection of the microwave at the connection with the wave tube is suppressed, and the microwave can be efficiently introduced into the power feeding waveguide.
- an induction wall 32 is provided in the feeding waveguide tube of the microwave distributor 30, and the microwave propagating through the feeding waveguide is guided through the feeding slot 12 to the waveguide slot antenna 10A:
- microwaves can be efficiently supplied from the power supply waveguide to the radiation waveguide whose axial direction is orthogonal.
- the relative dielectric constant in the radiation waveguide tube becomes greater than 1.
- the in-tube wavelength of the radiating waveguide is shortened. Since the radiating slots 11 of the radiating waveguide are arranged at a predetermined interval based on the in-tube wavelength, the interval between the radiating slots 11 is shortened by reducing the in-tube wavelength. For this reason, more radiation slots 11 can be formed in the radiation waveguide having the same length as compared with the case where the inside of the tube is hollow. Therefore, it is possible to supply the processing vessel 1 with a low-power microwave at shorter intervals than in the case where the inside of the tube is hollow, and to uniformize the plasma density distribution.
- the gradient 21A is formed at the end of the slow wave member 21 on the side where the power supply slot 12 is present, so that air at the boundary between the power supply waveguide and the radiation waveguide is changed into a dielectric.
- the change in the dielectric constant of the film becomes gradual, and the reflection of microwaves at this boundary is reduced. Therefore, microwaves can be efficiently supplied to the radiation waveguide.
- the waveguide slot antenna in which the distributor 30 can distribute microwaves There is no change in the number of na, and there is no restriction on the design freedom of the device configuration.
- a cross slot is formed as the radiating slot 11, and circularly polarized waves are radiated into the processing container 1, so that the waveguide slot antennas 10A to 10H are formed with the radiating slot 11 H surface. Since the electric field rotates in a plane parallel to the plane, a uniform plasma is generated in this plane on a time average. Therefore, by disposing the LCD substrate 3 in parallel with the H surface where the radiating slot 11 is formed, the surface of the LCD substrate 3 can be uniformly treated.
- a C-shaped slot may be used as the radiation slot 111 that radiates circularly polarized waves.
- the C-shaped slot has a configuration in which the extension line of one slot intersects the other slot or its extension line, and the electric field radiated from each slot is the same in magnitude and phase. ° Differently arranged so that the polarization directions are orthogonal.
- microwave distributor 30 an example in which the opening 31 and the feeding slot 12 are formed on the E surface of the feeding waveguide of the microwave distributor 30 is shown, but the H surface of the feeding waveguide is shown.
- Some microwave distributors have openings and power supply slots. This distributor is used corresponding to a waveguide slot antenna in which a plurality of radiation slots are formed on the E-plane of the radiation waveguide.
- the plasma processing apparatus uses a microwave distributor that distributes microwaves in the same phase to all the radiation waveguides of the waveguide slot antenna array. .
- FIG. 4 is a cross-sectional view of a microwave supply device including the microwave distributor.
- constituent elements corresponding to the constituent elements shown in FIG. 2 are indicated by the same reference numerals as in FIG. 2, and some constituent elements are indicated by functional blocks.
- the microwave distributor 230 of the microwave supply device 250 shown in FIG. 4 is used as a waveguide for radiating the waveguide slot antennas 210A, 210B, 210C, 210D, 210E, 210F, 210G, and 210H.
- a plurality of openings 212 for supplying microwaves are formed at intervals of approximately g on the E surface (partition plate 219) of a power feeding waveguide made of a rectangular waveguide. Is the in-tube wavelength of the feeding waveguide. Since the width of the radiating waveguide is approximately lg / 2, the opening 212 is formed in the boundary region between two adjacent radiating waveguides. Two matching radiating waveguides are connected to the feeding waveguide.
- an opening 31 is formed at the center of the E surface opposite to the E surface where the opening 212 is formed.
- the opening 31 is interposed via the microwave waveguide 41.
- Microwave oscillator 42 is connected.
- the opening 31 may be formed at a position opposite to a portion where the opening 212 is not formed in the boundary region between two adjacent radiating waveguides. Further, an opening 31 may be formed on the end face of the power feeding waveguide.
- a plurality of guide walls 232 projecting vertically from the E surface where the opening 31 is formed toward the center in the width direction D2 of the opening 212 are disposed in the tube of the power feeding waveguide.
- the distance between the guide walls 23 2 is also abbreviated as g in the opening 212.
- the inside of the feeding waveguide is hollow, and the length of the feeding waveguide is the same as the total width of the radiating waveguides of the waveguide slot antennas 210A to 210H. That is, the aperture 212 is adjusted so that the microwaves are uniformly supplied to all the radiation waveguides, which is the same as the plasma distributor 30 shown in FIGS.
- the boundary surface between the two radiating waveguides (partition plate 220) is used.
- the opening 212 side tip slightly recedes.
- microwaves are introduced in the same phase from the feeding waveguide of the microwave distributor 230 to each of the radiating waveguides of the waveguide slot antennas 210A to 210H. Therefore, the arrangement of the radiating slots 11 can be made the same in all the waveguide slot antennas 210A to 210H.
- the plasma processing apparatus uses a microwave supply apparatus in which a distribution of microwave supply power is distributed in the plane in which the slots of the waveguide slot antenna array are formed. is there.
- FIG. 5 is a cross-sectional view of the microwave supply device.
- constituent elements corresponding to the constituent elements shown in FIG. 2 or FIG. 4 are indicated by the same reference numerals as those in FIG. 2 or FIG. 4, and some constituent elements are indicated by functional blocks.
- a microwave supply device 350 shown in FIG. 5 is a microwave supply device according to the second embodiment. It is almost the same as 250. However, in the present embodiment, the arrangement and the number power of the radiation slots 11 of the waveguide slot antennas 310A, 310B, 310C, 310D, 310E, 310F, 310G, 310H constituting the antenna array 310
- the slot antennas 310A to 310H are different depending on the positions in the antenna array 310. More specifically, the radiating slot 11 is not disposed in the central portion 360 of the surface facing the mounting table 2 formed by combining the waveguide slot antennas 310A to 310H, and the region excluding the central portion 360 is excluded. Only the radiation slot 11 is arranged. Here, the portion 360 where the radiation slot 11 is not disposed is opposed to the central portion of the mounting table 2.
- the plasma density distribution in the processing vessel 1 tends to be higher in the upper space of the central portion of the mounting table 2 when the plasma reaches a steady state. If the slot 11 is not arranged in the portion 360 facing the central portion of the mounting table 2, microwaves are not emitted to the upper space of the central portion of the mounting table 2 where the plasma density is high, so that plasma generation in this space is suppressed. It is. Therefore, the plasma density distribution can be made uniform.
- the amount of distribution of the microwave distributor 230 depends on the size of the opening 212 that supplies the microwave to the radiation waveguide and the induction wall 232 that guides the microwave to the radiation waveguide through the opening 212. It can be adjusted by the protrusion length.
- the shape of the portion 360 where the slot 11 is not disposed may be a square shape or a circular shape.
- FIG. 6A and FIG. 6B are diagrams showing a configuration example when a plurality of microwave supply devices are used in combination. More specifically, FIG. 6A shows the surface on which the slot for radiating the waveguide slot antenna array is formed, and FIG. 6B shows the cross-sectional configuration in the VIb_VIl line direction in FIG. 6A. Components corresponding to those shown in FIG. 2 or FIG. 4 are denoted by the same reference numerals as those in FIG. 2 or FIG.
- the surface on which the slot 11 for radiation of the waveguide slot antenna array 210 is formed must be continuous. is there. Therefore, as shown in FIG. 6A, the microwave supply devices 250A, 250B, and 250C are placed so as to be opposed to the wall surface 16 of the antenna array 210 by 18 forces. The same applies to the microwave feeders 250D, 250E and 250F. Further, microphone mouth wave supply devices 250A and 250D are placed so that side walls 17 of antenna array 210 face each other. The same applies to the microwave feeders 250B and 250E, 250C and 250F.
- the microwave supply devices 250A and 250D are arranged so that the radiating slots 11 are aligned on the same straight line. To be left behind. The same applies to the microwave feeders 250B and 250E, 250C and 250F. As a result, the regularity of the slot arrangement is maintained, so that the microwaves can be uniformly supplied into the processing container 1 and uniform plasma can be generated.
- a plurality of power supplies equivalent to those using a single high-power oscillator are provided. This can be realized using a low power oscillator.
- the price of a microwave oscillator increases significantly as the output power increases. Therefore, even when a large amount of power must be supplied to the processing container 1, such as when performing plasma processing using a large-diameter processing container 1, by using multiple microwave oscillators 42 with low output and low price, The manufacturing cost of the entire plasma processing apparatus can be reduced.
- the dielectric plate 8 is reinforced so that the dielectric plate 8 can withstand high vacuum in the processing container 1.
- a beam is used as a reinforcing member on the lower side of the dielectric plate 8 (in the processing vessel 1).
- microwaves are not radiated from the vicinity of the side walls 16 to 18 that form the boundary between a plurality of adjacent antenna arrays 210. Therefore, as shown in FIG. 6B, the influence of the beam 81 on the microwave can be reduced by extending the beam 81 as a reinforcing member so as to face the boundary.
- FIG. 7 is a diagram showing another configuration example when a plurality of microwave supply devices are used in combination.
- components corresponding to the components shown in FIG. 2 or FIG. 4 are denoted by the same reference numerals as those in FIG. 2 or FIG.
- the slot 11 is not disposed in the central portion 460 of the surface of the waveguide slot antenna array 410 on which the radiation slot 11 is formed, and the region excluding the central portion 460 is excluded. Only the radiation slot 11 is arranged.
- the portion 460 where the radiating slot 11 is not disposed is opposed to the central portion of the mounting table 2.
- the microwave slot 450A, 450C, 450D, and 450F waveguide slot antenna array 410 is provided with radiation slots 11 throughout, whereas the microwave slot 450B. , 450E waveguide slot antenna array 410 has a radiating slot 11 only in the region excluding the tip region (ie, the radiating slot is shorted in the region of the other end of the radiating waveguide shorted). 11 is not placed,).
- the radiation slot 11 By arranging the radiation slot 11 in this way, as in the third embodiment, the plasma generation in the upper space of the central portion of the mounting table 2 having a high plasma density is suppressed, and the plasma density distribution is made uniform.
- FIG. 8 is a perspective view showing a main configuration of a microwave supply device used in a plasma processing apparatus according to a fifth embodiment of the present invention.
- FIG. 9 is a longitudinal sectional view taken along the line IX-IX ′ in FIG.
- FIG. 10 is a cross-sectional view in the line direction in FIG.
- a microwave supply device 550 shown in FIGS. 8 to 10 includes a microwave oscillator (not shown), a microwave waveguide 541 composed of a rectangular waveguide that guides the microwave generated by the microphone mouth wave oscillator, and a microwave waveguide.
- An antenna member 570 for supplying the microwave guided by the wave tube 541 into the processing container 1 is provided.
- the antenna member 570 has a rectangular parallelepiped box 571 having a low height.
- box The body 571 is composed of two flat rectangular plates 513 and 514 (see FIG. 9) arranged in parallel and spaced apart from each other, and side walls 515, 516, 517 and 518 connecting the peripheral portions of the flat plates 513 and 514. (See 0100).
- the flat plates 513 and 514 and the side walls 515 to 518 are formed of a conductor plate such as copper.
- the interior of the box 571 is divided into three blocks (A, B, C) in the Y direction parallel to the side walls 516, 518, and each block (A, B, C) is further divided into It is divided into four radiation blocks (Al, A2, A3, A4, Bl, B2, B3, B4, CI, C2, C3, C4) in the X direction parallel to the side walls 515, 517. Therefore, the interior of the box 571 is divided into a total of 12 radiation blocks.
- the radiation blocks of the box 571 are partitioned by partition members 52 3 and 524 formed of a conductive plate such as copper.
- the partition member 523 is composed of two flat plates connected in a T shape, and the partition member 524 is composed of one flat plate.
- the partition members 523 and 524 extend between the flat plates 513 and 514 constituting the box of the antenna member 570, and are connected to both of them.
- each radiation block of the box 571 has a square shape with one side having an approximately length. Further, as shown in FIG. 9, the height of the box 571 is approximately g / 4. Where i g is the in-tube wavelength of the box 571. Therefore, the radiation blocks B1 to B4 communicating with each other act as a rectangular waveguide extending in the X direction, and the radiation blocks A1 to C1, A2 to C2, A3 to C3, and A4 to C4 are respectively Y Acts as a rectangular waveguide extending in the direction
- a rectangular opening 542 is formed in a flat plate 513 which is an upper surface of the box 571, and a microwave waveguide 541 connected to a microwave oscillator is connected around the opening 542. More specifically, the intermediate position of the two ridge surfaces (wider wall surface) of the microwave waveguide 541 made of a rectangular waveguide lies on the boundary line between the radiation block ⁇ 2 and the radiation block ⁇ 3. In addition, an opening 542 is formed.
- the flat plate 513 to which the microwave waveguide 541 is connected becomes the bottom surface of the rectangular waveguide composed of the radiation blocks ⁇ 1 to ⁇ 4.
- microwave guidance The magnetic field lines inside the tube of the wave tube 541 and in the radiation blocks B2 and B3 of the box 571 are as shown by the arrow lines in FIGS. 12A and 12B, respectively, and the microwave guided by the microwave waveguide 541 is It is possible to distribute and supply the radiation block B2 and the radiation block B3 so that the phases are reversed.
- the microwaves supplied to the radiation blocks B2 and B3 propagate to the radiation blocks Bl and B4, respectively.
- the microwaves of the radiation blocks B1 to B4 are distributed to the radiation blocks A1 to A4 and the radiation blocks C1 to C4 through the opening 512. Since the length of one side of each radiation block is approximately g / 2, the magnetic field lines in each radiation block are as shown in Fig. 10.
- a radiating slot 511 is formed on the flat plate 514 that is the lower surface of the box 571.
- each of the radiating blocks of the box 571 is formed with two slots 511A, 511B and a C-shaped slot having a force.
- the slot 511A has a short length
- the magnetic field lines are arranged in the leftward direction
- the long slot 511B has the magnetic field lines in the downward direction
- the microwaves radiated from the slots 511A and 511B become circularly polarized waves.
- the radiated power in each of the slots 511A and 511B is approximately half that in the case of radiating linearly polarized waves.
- the circularly polarized power is equivalent to that when linearly polarized light is radiated, but the radiation power of each slot 511A, 511B is reduced, and the risk of discharge occurring in each slot 511A, 511B is reduced.
- the rectangular waveguide and the opening 512 that also serve as the radiation blocks B1 to B4 of the box 571 are radiated in the same manner as the microwave distributor 30 in the first embodiment.
- Blocks A1 to A4 and C1 to C4 have the function of distributing and supplying microwaves.
- the radiation blocks A1 to A4 and the radiation blocks C1 to C4 are similar to the waveguide slot antenna array 10 in the first embodiment, and the microwaves introduced from the microwave distributor 30 are transmitted to the radiation slots. It has an action of supplying the inside of the processing container 1 via 511.
- the antenna member 570 is provided with the waveguide slot antenna array 10 on both sides of the microwave distributor 30 in the first embodiment, and the microwave distributor It can be understood that the radiation slot 511 is formed on the lower surface of the 30 power feeding waveguides (that is, the wall surface facing the mounting table 2).
- the same operational effects as those of the first embodiment can be obtained.
- the number of waveguide slot antennas is increased to increase the aperture area, it is possible to suppress the complexity and size of the device configuration and increase the design flexibility of the device configuration.
- it is possible to increase the area by increasing the number of radiating blocks that do not require an increase in the cross-sectional size of the radiating waveguide of the waveguide slot antenna, and microwaves without exciting higher-order modes. Control becomes easy.
- it is not necessary to excite surface waves in the dielectric plate 8 it is possible to make the plasma distribution uniform and to realize low electron temperature plasma with less metal contamination in the substrate damage processing container 1. You can.
- the radiation blocks B1 to B4 function as a microwave distributor and also function as a waveguide slot antenna since the radiation slot 511 is formed. Therefore, in the present embodiment, a member having only the action of the microwave distributor 30 is not required, so that the apparatus configuration can be further simplified and miniaturized as compared with the first embodiment.
- FIGS. 13A to 13F are diagrams showing the planar shapes of partition members that can be used for the antenna member 570.
- partition member 525C having a T-shape in plan view as shown in FIG. 13C
- FIG. 13D A partition member 525D having a cross shape in plan view as shown in FIG. 13 and a partition member 525E having an L shape in plan view as shown in FIG. 13E can be used.
- the partition members 523 and 524 in FIG. 10 are the same type as the partition members 525C and 525A shown in FIGS. 13C and 13A, respectively.
- FIG. 11 since the boundaries of the radiation blocks A1 to A4 and C1 to C4 may be opened, a columnar partition member 525F as shown in FIG. 13F can also be used. [0065] Next, another example of the radiation slot 511 will be described.
- FIG. 14 is a diagram showing another arrangement example of the radiation slot 511.
- FIG. 15A and FIG. 15B are diagrams showing a design example of the radiation slot 511 shown in FIG.
- FIG. 16 is a diagram showing the microwave radiation characteristics of the radiation slot.
- the horizontal axis is the slot length divided by the free space wavelength of microwaves (122 mm for microwaves with a frequency of 2.45 GHz) ⁇ , and the vertical axis is the relative gain [dB] or phase of the radiated electric field from the slot. [deg] is shown.
- the relative gain of the electric field radiated from the slot is indicated by a solid line, and the phase is indicated by a wavy line.
- the angle formed by the two slots 511C and 511D is 90 °, and the respective lengths are 0.43 ⁇ and ⁇ . ⁇ ⁇ ⁇ . If the lengths of slots 511C and 511D are 0.443 1 and 0.511, respectively, the phase of the radiated electric field is
- the microwaves radiated from the slots 511C and 511D can be circularly polarized.
- FIG. 17 is a diagram showing still another arrangement example of the slots for radiation.
- the magnetic field lines are arranged in the downward direction in each radiating block, and the radiated microwave is linearly polarized.
- the polarization may be changed depending on the position of the radiation slot 511 in the antenna member 570. For example, by making the microwave radiated near the side wall of the processing vessel 1 into a linearly polarized wave parallel to the side wall, leakage of the microwave can be reduced. Further, the polarization may be set according to the state of the plasma generated inside the processing container 1. For example, if you raise the electron temperature, you should dare to make it linearly polarized.
- the inside of the box 571 is divided into a plurality of radiation blocks, and each radiation block is partitioned by a partition member as necessary. Therefore, box 571
- the number and arrangement of radiation blocks can be freely changed according to the size and shape of the lamp.
- the relational expression is preferably set so as to satisfy.
- the length of the portion acting as the waveguide slot antenna array 10 in the first embodiment (radiating blocks A1 to A4, C1 to C4 in FIG. 11) in the Y direction is extended, and the portion in the Y direction is doubled. You can place a number of radiation blocks.
- Figure 20 shows an example in which the length of the portions AA and CC acting as the waveguide slot antenna array 10 in the Y direction is 2 and two radiation blocks are arranged in the Y direction. .
- the portion AA that acts as the waveguide slot antenna array 10 may be provided only on one side of the portion B that acts as the microwave distributor 30.
- the box body 571 is selected according to the diameter and shape of the opening of the processing container 1, and the inside thereof is blocked.
- the radiation block can be arranged over the entire opening of the processing container 1. Therefore, according to the present embodiment, it is possible to cover the opening of the processing container 1 with the antenna more easily than configuring the antenna by combining a plurality of radiation waveguides.
- a plasma processing apparatus is a combination of a plurality of microwave supply apparatuses 550 in the fifth embodiment.
- FIG. 22 shows an example of the configuration when a plurality of microwave supply devices 550 are used in combination.
- FIG. FIG. 23 is a diagram showing the dimensions of the antenna member 570 of the microwave supply device 550.
- 24 is a cross-sectional view taken along the line XXIV-XXIV ′ in FIG. In this figure, constituent elements corresponding to the constituent elements shown in FIG.
- the processing container 1 having a diameter of 1500mm x I 500mm is used.
- 3 ⁇ 3 9 antenna members 570 having a box body 571 of 346.4 mm ⁇ 346.4 mm are arranged in the upper part of the opening of the processing container 1.
- the interior of the box 571 is divided into 16 radiation blocks of 86.6 mm x 86.6 mm.
- the same operation and effect as in the fourth embodiment can be obtained. That is, a low-power and low-price product can be used as the microwave oscillator of each microwave supply device 550. As a result, the manufacturing cost of the entire plasma processing apparatus can be reduced.
- the upper opening of the processing container 1 is closed with one dielectric plate 8, and a plurality of antenna members 570 are arranged on the dielectric plate 8.
- a dielectric plate 8A only the lower part of each antenna member 570 may be formed of a dielectric plate 8A. In this case, since it is not necessary to increase the area of the dielectric plate, the strength of the dielectric plate can be maintained.
- the dielectric plate 8A disposed only at the lower part of the antenna member 570 is supported by the beam 1A that is passed through the upper opening of the processing container 1.
- a seal member 1B such as a ring is interposed between the dielectric plate 8A and the beam 1A, and between the base of the beam 1A and the upper surface of the side wall of the processing container 1, thereby improving the airtightness in the processing container 1. Secure.
- a gas introduction pipe 7A for introducing gas into the processing container 1 may be provided on the beam 1A. Further, a metal shower plate (not shown) may be disposed in the upper space of the mounting table 2 to make the gas introduced from the gas introduction pipe 7A uniform.
- the lower surface of the antenna member 570 where the radiation slot 511 is formed may be brought into contact with the dielectric member 8A.
- the temperature of the dielectric plate 8A can be adjusted by controlling the temperature of the antenna member 570.
- the temperature rise of the dielectric plate 8A due to the plasma heat flow can be suppressed, and damage to the dielectric plate 8A due to thermal expansion can be prevented.
- a fluorocarbon gas During the process using porous gas, the antenna member 570 is heated to bring the temperature of the dielectric plate 8A to about 150 ° C, thereby preventing deposition on the dielectric plate 8A and reducing the process. It can be stabilized.
- FIG. 25A and FIG. 25B are longitudinal sectional views showing the main configuration of the microwave supply device used in the plasma processing apparatus according to the seventh embodiment of the present invention.
- FIG. 26 is a cross-sectional view taken along the line XXVI—XXV in FIGS. 25A and 25B.
- components corresponding to the components shown in FIGS. 8 to 10 are denoted by the same reference numerals as those in FIGS.
- a microwave supply device 650 shown in FIGS.25A, 25B, and 26 includes a microwave oscillator (not shown), a microphone mouth wave waveguide 641 including a coaxial waveguide that guides the microwave generated by the microwave oscillator, and An antenna member 670 for supplying the microwave guided by the microwave waveguide 641 into the processing container 1 is provided.
- a circular opening 642 is formed in the flat plate 513 that is the upper surface of the box 671 of the antenna member 670.
- the opening 642 is formed in the central portion of the radiation block inside the box 671, and the outer conductor 641 A of the microwave waveguide 641 is connected around the opening 642.
- the inner conductor 641B arranged coaxially with the outer conductor 641A extends through the opening 642 to the inside of the box 671.
- the tip of the inner conductor 641B is connected to the flat plate 514, which is the lower surface of the box 671 as shown in FIG. 25A, and is connected as shown in FIG. 25B.
- a taper 643 is attached to the tip of the inner conductor 641B to moderate the impedance change from the microwave waveguide 641 to the antenna member 670, and the microwave waveguide 641 and the antenna member 670 Microwave reflection at the connection can be reduced.
- the magnetic field lines in the microwave waveguide 641 are rotated around the inner conductor 641B as indicated by the arrow in FIG. 27A. Therefore, when the microwave waveguide 641 is connected to the central portion of the radiation block as described above, the magnetic field lines in the radiation block are as shown in FIG. As shown by arrow B in FIG. 26, microwaves can be distributed to all blocks as shown in FIG.
- a plurality of microphone mouth wave supply devices 650 using a coaxial waveguide may be used in combination as the microwave waveguide 641.
- the plasma processing apparatus of the present invention can be used for an etching apparatus, a CVD apparatus, an ashing apparatus, and the like.
- the plasma processing method of the present invention can be used for processing such as etching, ashing, and CVD.
- these plasma processing apparatuses and methods can also be used for manufacturing flat panel display devices such as LCDs.
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Electromagnetism (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Plasma Technology (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
- Waveguide Aerials (AREA)
- Chemical Vapour Deposition (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004215564A JP2006040609A (ja) | 2004-07-23 | 2004-07-23 | プラズマ処理装置および方法、並びにフラットパネルディスプレイ装置の製造方法 |
JP2004-215564 | 2004-07-23 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2006009281A1 true WO2006009281A1 (ja) | 2006-01-26 |
Family
ID=35785382
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2005/013587 WO2006009281A1 (ja) | 2004-07-23 | 2005-07-25 | プラズマ処理装置および方法、並びにフラットパネルディスプレイ装置の製造方法 |
Country Status (3)
Country | Link |
---|---|
JP (1) | JP2006040609A (ja) |
TW (1) | TW200621097A (ja) |
WO (1) | WO2006009281A1 (ja) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109103586A (zh) * | 2018-07-24 | 2018-12-28 | 复旦大学 | 介质基片集成波导缝隙阵 |
JP2019508855A (ja) * | 2016-03-03 | 2019-03-28 | 北京北方華創微電子装備有限公司Beijing Naura Microelectronics Equipment Co., Ltd. | 表面波プラズマ装置 |
EP3531804A1 (de) * | 2018-02-21 | 2019-08-28 | Christof-Herbert Diener | Niederdruckplasmakammer, niederdruckplasmaanlage und verfahren zur herstellung einer niederdruckplasmakammer |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4732787B2 (ja) * | 2005-04-26 | 2011-07-27 | 東京エレクトロン株式会社 | プラズマ処理装置およびプラズマ処理方法 |
JP4677918B2 (ja) * | 2006-02-09 | 2011-04-27 | 東京エレクトロン株式会社 | プラズマ処理装置及びプラズマ処理方法 |
JP4873405B2 (ja) * | 2006-03-24 | 2012-02-08 | 東京エレクトロン株式会社 | プラズマ処理装置と方法 |
JP4850592B2 (ja) * | 2006-06-14 | 2012-01-11 | 東京エレクトロン株式会社 | プラズマ処理装置およびプラズマ処理方法 |
JPWO2008018159A1 (ja) * | 2006-08-08 | 2009-12-24 | 株式会社アドテック プラズマ テクノロジー | 2電源を備えたマイクロ波ラインプラズマ発生装置 |
KR101196075B1 (ko) * | 2007-09-28 | 2012-11-01 | 도쿄엘렉트론가부시키가이샤 | 플라즈마 처리 장치 |
JP2014026773A (ja) * | 2012-07-25 | 2014-02-06 | Tokyo Electron Ltd | プラズマ処理装置 |
JP6459123B2 (ja) * | 2014-12-22 | 2019-01-30 | パナソニックIpマネジメント株式会社 | マイクロ波加熱装置 |
JP6414683B2 (ja) * | 2014-12-22 | 2018-10-31 | パナソニックIpマネジメント株式会社 | マイクロ波加熱装置 |
Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01132236U (ja) * | 1988-03-02 | 1989-09-07 | ||
JPH08316198A (ja) * | 1995-05-16 | 1996-11-29 | Sumitomo Metal Ind Ltd | プラズマ装置 |
JPH11111493A (ja) * | 1997-09-29 | 1999-04-23 | Sumitomo Metal Ind Ltd | プラズマ処理装置 |
JP2000268996A (ja) * | 1999-03-12 | 2000-09-29 | Tokyo Electron Ltd | 平面アンテナ部材、これを用いたプラズマ処理装置及びプラズマ処理方法 |
JP2000306884A (ja) * | 1999-04-22 | 2000-11-02 | Mitsubishi Electric Corp | プラズマ処理装置およびプラズマ処理方法 |
JP2003110315A (ja) * | 2001-09-27 | 2003-04-11 | Tokyo Electron Ltd | 電磁界供給装置およびプラズマ処理装置 |
JP2003188154A (ja) * | 2001-12-21 | 2003-07-04 | Sharp Corp | プラズマプロセス装置およびプラズマ制御方法 |
JP2004152876A (ja) * | 2002-10-29 | 2004-05-27 | Tokyo Electron Ltd | スロットアレイアンテナおよびプラズマ処理装置 |
JP2004200646A (ja) * | 2002-12-05 | 2004-07-15 | Advanced Lcd Technologies Development Center Co Ltd | プラズマ処理装置およびプラズマ処理方法 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3233575B2 (ja) * | 1995-05-26 | 2001-11-26 | 東京エレクトロン株式会社 | プラズマ処理装置 |
JP3883615B2 (ja) * | 1996-08-30 | 2007-02-21 | ワイエイシイ株式会社 | プラズマ発生装置およびプラズマ処理装置 |
JP4478352B2 (ja) * | 2000-03-29 | 2010-06-09 | キヤノン株式会社 | プラズマ処理装置及びプラズマ処理方法並びに構造体の製造方法 |
-
2004
- 2004-07-23 JP JP2004215564A patent/JP2006040609A/ja active Pending
-
2005
- 2005-07-22 TW TW094124991A patent/TW200621097A/zh not_active IP Right Cessation
- 2005-07-25 WO PCT/JP2005/013587 patent/WO2006009281A1/ja active Application Filing
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01132236U (ja) * | 1988-03-02 | 1989-09-07 | ||
JPH08316198A (ja) * | 1995-05-16 | 1996-11-29 | Sumitomo Metal Ind Ltd | プラズマ装置 |
JPH11111493A (ja) * | 1997-09-29 | 1999-04-23 | Sumitomo Metal Ind Ltd | プラズマ処理装置 |
JP2000268996A (ja) * | 1999-03-12 | 2000-09-29 | Tokyo Electron Ltd | 平面アンテナ部材、これを用いたプラズマ処理装置及びプラズマ処理方法 |
JP2000306884A (ja) * | 1999-04-22 | 2000-11-02 | Mitsubishi Electric Corp | プラズマ処理装置およびプラズマ処理方法 |
JP2003110315A (ja) * | 2001-09-27 | 2003-04-11 | Tokyo Electron Ltd | 電磁界供給装置およびプラズマ処理装置 |
JP2003188154A (ja) * | 2001-12-21 | 2003-07-04 | Sharp Corp | プラズマプロセス装置およびプラズマ制御方法 |
JP2004152876A (ja) * | 2002-10-29 | 2004-05-27 | Tokyo Electron Ltd | スロットアレイアンテナおよびプラズマ処理装置 |
JP2004200646A (ja) * | 2002-12-05 | 2004-07-15 | Advanced Lcd Technologies Development Center Co Ltd | プラズマ処理装置およびプラズマ処理方法 |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2019508855A (ja) * | 2016-03-03 | 2019-03-28 | 北京北方華創微電子装備有限公司Beijing Naura Microelectronics Equipment Co., Ltd. | 表面波プラズマ装置 |
EP3531804A1 (de) * | 2018-02-21 | 2019-08-28 | Christof-Herbert Diener | Niederdruckplasmakammer, niederdruckplasmaanlage und verfahren zur herstellung einer niederdruckplasmakammer |
US11532465B2 (en) | 2018-02-21 | 2022-12-20 | Christof-Herbert Diener | Low-pressure plasma chamber, low-pressure plasma installation and method for producing a low-pressure plasma chamber |
CN109103586A (zh) * | 2018-07-24 | 2018-12-28 | 复旦大学 | 介质基片集成波导缝隙阵 |
Also Published As
Publication number | Publication date |
---|---|
TW200621097A (en) | 2006-06-16 |
JP2006040609A (ja) | 2006-02-09 |
TWI309961B (ja) | 2009-05-11 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
WO2006009281A1 (ja) | プラズマ処理装置および方法、並びにフラットパネルディスプレイ装置の製造方法 | |
JP6010406B2 (ja) | マイクロ波放射機構、マイクロ波プラズマ源および表面波プラズマ処理装置 | |
TWI430358B (zh) | Microwave plasma source and plasma processing device | |
JP5698563B2 (ja) | 表面波プラズマ発生用アンテナおよび表面波プラズマ処理装置 | |
JP6144902B2 (ja) | マイクロ波放射アンテナ、マイクロ波プラズマ源およびプラズマ処理装置 | |
JP2013157520A (ja) | マイクロ波放射機構および表面波プラズマ処理装置 | |
JP2012089334A (ja) | マイクロ波プラズマ源およびプラズマ処理装置 | |
JP6624833B2 (ja) | マイクロ波プラズマ源およびプラズマ処理装置 | |
US10424462B2 (en) | Multi-cell resonator microwave surface-wave plasma apparatus | |
JP4209612B2 (ja) | プラズマ処理装置 | |
JP3957135B2 (ja) | プラズマ処理装置 | |
JP2018006718A (ja) | マイクロ波プラズマ処理装置 | |
WO2013105358A1 (ja) | 表面波プラズマ処理装置 | |
JP4678905B2 (ja) | プラズマ処理装置 | |
JP2010277971A (ja) | プラズマ処理装置及びプラズマ処理装置の給電方法 | |
US20070045242A1 (en) | Plasma processing apparatus and processing method, and flat panel display manufacturing method | |
JP2552140B2 (ja) | プラズマ発生反応装置 | |
JP2005310478A (ja) | プラズマ処理装置および処理方法、並びに、フラットパネルディスプレイの製造方法 | |
KR100822580B1 (ko) | 플라즈마 처리 장치 및 방법과 플랫 패널 디스플레이장치의 제조 방법 | |
JP5916467B2 (ja) | マイクロ波放射アンテナ、マイクロ波プラズマ源およびプラズマ処理装置 | |
JP2007180034A (ja) | プラズマ処理装置 | |
JP7438136B2 (ja) | 広範囲マイクロ波プラズマcvd装置およびその成長の方法 | |
KR20220016968A (ko) | 마이크로파 공급 기구, 플라스마 처리 장치 및 플라스마 처리 방법 | |
JP6700128B2 (ja) | マイクロ波プラズマ処理装置 | |
JP2007018923A (ja) | 処理装置および処理方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
AK | Designated states |
Kind code of ref document: A1 Designated state(s): AE AG AL AM AT AU AZ BA BB BG BR BW BY BZ CA CH CN CO CR CU CZ DE DK DM DZ EC EE EG ES FI GB GD GE GH GM HR HU ID IL IN IS KE KG KM KP KR KZ LC LK LR LS LT LU LV MA MD MG MK MN MW MX MZ NA NG NI NO NZ OM PG PH PL PT RO RU SC SD SE SG SK SL SM SY TJ TM TN TR TT TZ UA UG US UZ VC VN YU ZA ZM ZW |
|
AL | Designated countries for regional patents |
Kind code of ref document: A1 Designated state(s): BW GH GM KE LS MW MZ NA SD SL SZ TZ UG ZM ZW AM AZ BY KG KZ MD RU TJ TM AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LT LU LV MC NL PL PT RO SE SI SK TR BF BJ CF CG CI CM GA GN GQ GW ML MR NE SN TD TG |
|
121 | Ep: the epo has been informed by wipo that ep was designated in this application | ||
WWE | Wipo information: entry into national phase |
Ref document number: 1020067020048 Country of ref document: KR |
|
NENP | Non-entry into the national phase |
Ref country code: DE |
|
WWP | Wipo information: published in national office |
Ref document number: 1020067020048 Country of ref document: KR |
|
122 | Ep: pct application non-entry in european phase |