KR20170141230A - Method for measuring deposition rate and deposition rate control system - Google Patents
Method for measuring deposition rate and deposition rate control system Download PDFInfo
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- KR20170141230A KR20170141230A KR1020177034155A KR20177034155A KR20170141230A KR 20170141230 A KR20170141230 A KR 20170141230A KR 1020177034155 A KR1020177034155 A KR 1020177034155A KR 20177034155 A KR20177034155 A KR 20177034155A KR 20170141230 A KR20170141230 A KR 20170141230A
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- deposition rate
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- deposition
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/22—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the process of coating
- C23C14/24—Vacuum evaporation
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/22—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the process of coating
- C23C14/54—Controlling or regulating the coating process
- C23C14/542—Controlling the film thickness or evaporation rate
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/22—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the process of coating
- C23C14/54—Controlling or regulating the coating process
- C23C14/542—Controlling the film thickness or evaporation rate
- C23C14/545—Controlling the film thickness or evaporation rate using measurement on deposited material
- C23C14/546—Controlling the film thickness or evaporation rate using measurement on deposited material using crystal oscillators
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B21/00—Systems involving sampling of the variable controlled
- G05B21/02—Systems involving sampling of the variable controlled electric
Abstract
A method 100 for measuring the deposition rate of vaporized material is described. The method includes measuring 110 a deposition rate with a time interval T between a first measurement M1 and a second measurement M2 and adjusting the time interval T according to the measured deposition rate 120 ). The deposition rate control system 200 is also described. The deposition rate control system includes a deposition rate measurement assembly 210 for measuring the deposition rate of the evaporated material and a controller 220 coupled to the deposition rate measurement assembly 210 and the evaporation source 300, And to provide a signal to the deposition rate measurement assembly 210.
Description
[0001] The present disclosure relates to a method for controlling the deposition rate of evaporated material, a deposition rate control system and a source of evaporation for evaporation of the material. This disclosure is particularly directed to a method and a control system for controlling the deposition rate of vaporized organic materials.
[0002] Organic evaporators are tools for the production of organic light-emitting diodes (OLEDs). OLEDs are special types of light emitting diodes in which the light emitting layer comprises a thin film of certain organic compounds. OLEDs (organic light emitting diodes) are used in the manufacture of television screens, computer monitors, mobile phones, other hand-held devices, etc. for displaying information. OLEDs can also be used for general spatial illumination. The range of possible colors, brightness, and viewing angle with OLED displays is greater than that of conventional LCD displays, because OLED pixels emit light directly and do not carry a back light. Therefore, the energy consumption of OLED displays is significantly less than the energy consumption of conventional LCD displays. In addition, the fact that OLEDs can be fabricated on flexible substrates causes additional applications.
[0003] The functionality of the OLED depends on the coating thickness of the organic material. This thickness should be within a predetermined range. Therefore, in the manufacture of OLEDs, the deposition rate at which coating with the organic material is performed is controlled to be within a predetermined tolerance range. In other words, the deposition rate of the organic evaporator must be thoroughly controlled in the production process.
[0004] Thus, for OLED applications as well as for other evaporation processes, high accuracy of the deposition rate over a relatively long period of time is required. There are a plurality of measurement systems for measuring the deposition rate of the available evaporators. However, these measurement systems suffer from insufficient accuracy and / or insufficient stability over a desired period of time.
[0005] Accordingly, there is a continuing need to provide improved deposition rate measurement methods, deposition rate control systems, evaporators and deposition apparatuses.
[0006] In view of the above, there is provided a method for measuring the deposition rate of a vaporized material, a deposition rate control system, an evaporation source, and a deposition apparatus, in accordance with independent claims. Further advantages, features, aspects and details are apparent from the dependent claims, the description and the drawings.
[0007] According to one aspect of the present disclosure, a method is provided for measuring the deposition rate of a vaporized material. The method includes measuring the deposition rate at a time interval between the first measurement and the second measurement and adjusting the time interval according to the measured deposition rate.
[0008] According to another aspect of the present disclosure, a deposition rate control system is provided. The deposition rate control system includes a deposition rate measurement assembly for measuring the deposition rate of the evaporated material, a controller coupled to the deposition rate measurement assembly, and an evaporation source, wherein the controller is configured to provide a control signal to the deposition rate measurement assembly. In particular, the controller is configured to execute the program code, and upon execution of the program code, a method for measuring the deposition rate of the evaporated material is performed in accordance with embodiments described herein.
[0009] According to a further aspect of the present disclosure, a source of evaporation for evaporation of material is provided. The evaporation source is the evaporation furnace - the evaporation furnace is configured to evaporate the material; The distribution pipe-distribution pipe having one or more outlets provided along the length of the distribution pipe to provide vaporized material to the substrate at a deposition rate, the distribution pipe being in fluid communication with the evaporation crucible; And a deposition rate control system according to embodiments described herein.
[0010] According to yet another aspect of the present disclosure, there is provided a deposition apparatus for applying a material to a substrate in a vacuum chamber at a uniform deposition rate. The deposition apparatus includes at least one evaporation source in accordance with the embodiments described herein.
[0011] The present disclosure is also directed to an apparatus for performing the disclosed methods, including apparatus portions for performing the methods. The method may be performed by hardware components, by a computer programmed by appropriate software, by any combination of the two, or in any other manner. In addition, the present disclosure also relates to methods of operation of the apparatus described. This includes a method for performing all the respective functions of the device.
BRIEF DESCRIPTION OF THE DRAWINGS [0012] A more particular description, as summarized above, may be made with reference to the embodiments, in order that the recited features of the present disclosure described herein may be understood in detail. BRIEF DESCRIPTION OF THE DRAWINGS The accompanying drawings relate to embodiments of the present disclosure and are described below:
1 shows a block diagram illustrating a method for measuring the deposition rate of a vaporized material, in accordance with embodiments described herein;
Figure 2 shows a schematic diagram of a deposition rate control system according to embodiments described herein;
Figure 3 shows a schematic diagram of a deposition rate control system according to embodiments described herein;
4 shows a schematic diagram of a deposition rate control system according to embodiments described herein;
Figure 5 shows a schematic diagram for measuring the deposition rate according to embodiments of the method for measuring the deposition rate, as described herein;
Figures 6A and 6B respectively show a block diagram illustrating embodiments of a method for measuring the deposition rate of a vaporized material, as described herein;
Figure 7a shows a schematic view of a measurement assembly in a first state, according to embodiments described herein;
Figure 7b shows a schematic side view of a measurement assembly in a second state, in accordance with embodiments described herein;
Figures 8A and 8B show schematic side views of an evaporation source according to embodiments described herein; And
Figure 9 shows a schematic plan view of a deposition apparatus for applying material to a substrate in a vacuum chamber, in accordance with embodiments described herein.
[0013] Reference will now be made in detail to various embodiments of the present disclosure, and one or more examples of various embodiments are illustrated in the drawings. In the following description of the drawings, like reference numerals refer to like components. In the following, only the differences for the individual embodiments are described. Each example is provided in the description of the present disclosure and is not intended as a limitation of the present disclosure. Additionally, features that are illustrated or described as part of one embodiment may be used with other embodiments or with other embodiments to produce yet another additional embodiment. The description is intended to include such variations and modifications.
[0014] In the present disclosure, the expression "oscillation crystal for measuring the deposition rate" refers to the mass of material deposited on the oscillation crystal per unit area by measuring the frequency change of an oscillation crystal resonator Can be understood as oscillation crystals for measuring fluctuations. In particular, in this disclosure, an oscillating crystal can be understood as a quartz crystal resonator. More specifically, the "oscillation crystal for measuring the deposition rate" can be understood as a quartz crystal microbalance (QCM).
[0015] In this disclosure, the expression "accuracy of deposition rate" relates to the actual deposition rate from the preselected target deposition rate, e.g., the deviation of the measured deposition rate. For example, the smaller the deviation of the measured actual deposition rate from the preselected target deposition rate, the higher the accuracy of the deposition rate.
[0016]
1, a
[0017] According to embodiments that may be combined with other embodiments described herein, during the initial adjustment of the preselected target deposition rate, the time interval [Delta] T between the first measurement and the second measurement may be adjusted to a preselected target deposition rate May be shorter compared to the time interval? T between the first measurement and the second measurement at the time of arrival. For example, during the initial adjustment of the preselected target deposition rate, the time interval T between the first measurement and the second measurement may be 10 minutes or less, especially 5 minutes or less, more particularly 3 minutes or less. When the preselected target deposition rate is reached, the time interval T between the first measurement and the second measurement is set to a lower limit of 10 minutes, in particular a lower limit of 20 minutes, more particularly a lower limit of 30 minutes and an upper limit of 35 minutes, Min, more particularly an upper limit of 50 minutes. In particular, if the preselected target deposition rate is reached, the time interval T between the first measurement and the second measurement may be 40 minutes.
[0018] According to embodiments that may be combined with other embodiments described herein, the measured deposition rate may be a function of the slope of the deposition rate, a Boolean decision as to whether the deposition rate is within a predetermined range, A polynomial function of the difference between the deposited deposition rate and the nominal / set value of the predetermined deposition rate, and the oscillation function of the measured deposition rate. Thus, by adjusting the time interval [Delta] T between the two measurements based on a function of the deposition rate, the measurement accuracy of the deposition rate can be increased. In addition, the exposure of the measuring device for measuring the deposition rate of the evaporated material to the evaporated material can be minimized, which may be beneficial for the overall life of the measuring device.
[0019] According to embodiments which may be combined with other embodiments described herein, the time interval between the first measurement and the second measurement may be adjusted according to the deviation of the measured slope of the deposition rate from the preselected slope of the deposition rate . In particular, when a deviation of the measured slope from a preselected slope of the deposition rate of less than 5%, especially less than 3%, more particularly less than 1.5%, for example 1% or less, is detected, Can be increased. Thus, if a deviation of the measured slope from a preselected slope of the deposition rate of greater than 5%, especially greater than 3%, more particularly greater than 1%, such as 1.5%, is detected, the time interval between the first and second measurements Can be reduced.
[0020]
According to embodiments that may be combined with other embodiments described herein, the time interval between the first measurement and the second measurement may be adjusted based on the Boolean determination. For example, the time interval between the first measurement and the second measurement may be reduced if the deviation of the measured deposition rate from the preselected target deposition rate is above the preselected deposition rate upper limit or below the preselected deposition rate lower limit. For example, the pre-selected deposition rate upper limit may be + 3% or less, especially + 2% or less, more particularly + 1% or less of the
[0021] According to embodiments which may be combined with the other embodiments described herein, the time interval between the first measurement and the second measurement is determined by a polynomial function of the difference between the measured deposition rate and the nominal / set value of the preselected deposition rate As shown in FIG. For example, if a deviation of a polynomial function for a measured deposition rate from a preselected target deposition rate of less than 5%, especially less than 3% (e.g., 1.5% or less), more particularly less than 1% The time interval between the first measurement and the second measurement can be increased. Thus, if a deviation of the polynomial function for a measured deposition rate from a preselected target deposition rate of greater than 5%, especially greater than 3%, more particularly greater than 1% (e.g., 1.5% or greater) The time interval between the first measurement and the second measurement can be reduced.
[0022] According to embodiments that may be combined with other embodiments described herein, the time interval between the first measurement and the second measurement may be adjusted based on the oscillation function of the measured deposition rate. For example, if a deviation of the oscillation function for a measured deposition rate from a preselected target deposition rate of less than 5%, especially less than 3% (e.g., 1.5% or less), more particularly less than 1% The time interval between the first measurement and the second measurement can be increased. Thus, if a deviation of the oscillation function for a measured deposition rate from a preselected target deposition rate of greater than 5%, especially greater than 3%, more particularly greater than 1% (e.g., 1.5% or greater) is detected, The time interval between the first measurement and the second measurement can be reduced.
[0023]
FIG. 2 shows a schematic diagram of a deposition
[0024]
For example, the control signal provided from the
[0025]
2, the deposition
[0026]
3, preselected values for the deposition rate (dm / dt) may be used to control the deposition
[0027]
4, by way of embodiments that may be combined with other embodiments described herein, control signals provided by the
[0028] Thus, according to embodiments that may be combined with other embodiments described herein, the time interval between the second measurement M2 and the subsequent measurement, e.g., the third measurement, Can be determined according to the deposition rate (199). For example, if it is determined that the measured deposition rate of the second measurement M2 is more accurate than the measured deposition rate of the first measurement M1, then the time interval between the second measurement M2 and the subsequent measurement may be increased . Conversely, if it is determined that the measured deposition rate of the second measurement M2 is less accurate than the measured deposition rate of the first measurement M1, then the time interval between the second measurement M2 and the subsequent measurement may be reduced have.
[0029]
In FIG. 5, an exemplary schematic diagram for measuring the deposition rate using a method for measuring the deposition rate in accordance with the embodiments described herein is shown. Specifically, in FIG. 5, an exemplary actual deposition rate 199 [dm / dt] is plotted according to time t. 5 also shows exemplary
[0030]
For example, the measured deposition rate may be characterized for a preselected criterion, such as a stability criterion, and the time interval between the measurement and the subsequent measurement for which the preselected criterion should be evaluated may be adjusted according to the result of the evaluation. For example, if the measured
[0031]
According to embodiments of the
[0032]
According to embodiments of the
[0033]
7A and 7B, schematic views of a measurement assembly of a deposition rate control system are shown in accordance with the embodiments described herein. In particular, in accordance with embodiments described herein, a deposition
[0034]
According to embodiments that may be combined with other embodiments described herein, a deposition
[0035] By providing a shutter in the measurement assembly, the measuring device, and in particular the oscillating crystal, can be protected from evaporated material between deposition rate measurements, which can be advantageous for the overall lifetime of the deposition rate measuring device. Also, by shielding the deposition rate measuring device from the vaporized material using a shutter between the first measurement and the second measurement, the adverse effects of heat provided by the vaporized material on the measurement device can be reduced or even eliminated. For example, by shielding the deposition rate measuring device using a shutter in accordance with the embodiments described herein, the quality, accuracy, and stability of the deposition rate measuring device can be increased.
[0036]
7B, according to embodiments that may be combined with other embodiments described herein, the
[0037] Thus, a measurement assembly comprising a thermal protective shield according to embodiments described herein may be advantageous to protect the oscillating crystal from the temperature, e.g., heat, of the evaporated material, especially when the shutter is closed. In particular, if the deposition rate measurement device is shielded from the vaporized material between two measurements, the deposition rate measurement device can be cooled. Thus, the overall lifetime of the deposition rate measuring device can be extended.
[0038]
According to embodiments that may be combined with other embodiments described herein, the deposition
[0039]
According to embodiments that may be combined with other embodiments described herein, the deposition
[0040]
7b, the deposition
[0041]
According to embodiments that may be combined with other embodiments described herein, the deposition
[0042]
8A and 8B show schematic side views of an
[0043]
According to embodiments that may be combined with other embodiments described herein, the
[0044]
According to some embodiments, which may be combined with other embodiments described herein, the length of the
[0045]
According to embodiments that may be combined with other embodiments described herein, the
[0046]
8B, according to embodiments that may be combined with other embodiments described herein, the
[0047]
Figure 9 shows a schematic plan view of a
[0048]
According to some embodiments, which may be combined with other embodiments described herein, a further vacuum chamber, such as a
[0049]
As illustrated illustratively in FIG. 9, the two substrates may be supported on respective transfer tracks within the
[0050]
According to some embodiments that may be combined with other embodiments described herein, the
[0051]
9, the
[0052]
As illustrated illustratively in FIG. 9, a deposition source having two or more distribution pipes may be provided. For example, two or more distribution pipes may be designed in a triangular shape. The triangular shape of the
[0053] Thus, methods for measuring the rate of deposition of a material to be vaporized, a deposition rate control system, an evaporation source, and a deposition apparatus, in accordance with embodiments described herein, provide improved deposition rate measurement and / or improved deposition rate control to provide. This can be advantageous for manufacturing high quality displays, such as high quality OLED manufacturing.
Claims (15)
Measuring (110) the deposition rate at a time interval between the first measurement and the second measurement, and
And adjusting (120) the time interval according to the measured deposition rate.
A method (100) for measuring the deposition rate of a vaporized material.
Wherein the dependence of the measured deposition rate is a function of the deposition rate,
A method (100) for measuring the deposition rate of a vaporized material.
Wherein the function of the measured deposition rate is determined by a slope of the deposition rate, a Boolean decision that the deposition rate is within a predetermined range, a difference between the measured deposition rate and a nominal / set value of a predetermined deposition rate And an oscillation function of the measured deposition rate,
A method (100) for measuring the deposition rate of a vaporized material.
(130) shielding the deposition rate measurement device from the vaporized material, between the first measurement and the second measurement.
A method (100) for measuring the deposition rate of a vaporized material.
The shielding step 130 comprises moving the shutter 213 between the deposition rate measurement device 211 and the measurement outlet 230 for providing vaporized material to the deposition rate measurement device 211 ,
A method (100) for measuring the deposition rate of a vaporized material.
Further comprising: (140) cleaning the deposition rate measurement device (211) from the deposited material between the first measurement and the second measurement,
A method (100) for measuring the deposition rate of a vaporized material.
The cleaning step (140) comprises evaporating the deposited material from the deposition rate measuring device (211).
A method (100) for measuring the deposition rate of a vaporized material.
The step of evaporating the deposited material from the deposition rate measuring device (211) is performed by heating the deposition rate measuring device.
A method (100) for measuring the deposition rate of a vaporized material.
A deposition rate measurement assembly 210 for measuring the deposition rate of the evaporated material, and
And a controller (220) coupled to the deposition rate measurement assembly (210) and the evaporation source (300)
The controller is configured to provide a control signal to the deposition rate measurement assembly 210,
Wherein the controller is configured to execute the program code and wherein, when executing the program code, the method according to any one of claims 1 to 8 is performed,
A deposition rate control system (200).
The controller (220) includes closed loop control including at least one proportional-integral-derivative (PID) controller for controlling the deposition rate.
A deposition rate control system (200).
The deposition rate measurement assembly (210) includes a deposition rate measurement device (211) including an oscillation crystal (212) for measuring the deposition rate.
A deposition rate control system (200).
The deposition rate measurement assembly 210 includes a shutter for shielding the deposition rate measurement device 211 from vaporized material provided from a measurement outlet 230 for providing vaporized material to the deposition rate measurement device 211 213, in particular a movable shutter,
A deposition rate control system (200).
The deposition rate measurement assembly 210 includes at least one heating element 214 for heating the deposition rate measurement device 211 to a temperature at which the material deposited on the deposition rate measurement device 211 is vaporized doing,
A deposition rate control system (200).
Evaporative Crucible 310 - The evaporative crucible is configured to evaporate the material;
Dispense Pipe 320: The dispense pipe 320 has one or more outlets provided along the length of the dispense pipe to provide vaporized material to the substrate at a deposition rate, A fluid communication with the evaporation crucible (310); And
A deposition rate control system (200) according to any one of claims 9 to 13,
Evaporation source (300) for evaporation of material.
An apparatus (100) comprising at least one evaporation source (300) according to claim 14,
A deposition apparatus (400).
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PCT/EP2015/063636 WO2016202387A1 (en) | 2015-06-17 | 2015-06-17 | Method for measuring a deposition rate and deposition rate control system |
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KR1020187028708A KR20180112123A (en) | 2015-06-17 | 2015-06-17 | Method for measuring a deposition rate and deposition rate control system |
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JP (1) | JP6411675B2 (en) |
KR (2) | KR101950959B1 (en) |
CN (1) | CN107709604A (en) |
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WO (1) | WO2016202387A1 (en) |
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US11823964B2 (en) * | 2021-04-16 | 2023-11-21 | Taiwan Semiconductor Manufacturing Co., Ltd. | Deposition system and method |
Citations (4)
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US20030140858A1 (en) * | 2001-04-20 | 2003-07-31 | Marcus Michael A. | Reusable mass-sensor in manufacture of organic light-emitting devices |
US20040133387A1 (en) * | 2001-07-12 | 2004-07-08 | Thomas Volkel | Monitoring of measuring signal, in particular in automation technology |
US20100086681A1 (en) * | 2007-03-06 | 2010-04-08 | Tokyo Electron Limited | Control device of evaporating apparatus and control method of evaporating apparatus |
US20100316788A1 (en) * | 2009-06-12 | 2010-12-16 | Applied Materials, Inc. | Deposition rate monitor device, evaporator, coating installation, method for applying vapor to a substrate and method of operating a deposition rate monitor device |
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JPH0793193B2 (en) * | 1990-05-30 | 1995-10-09 | シャープ株式会社 | Method of manufacturing thin film EL device |
JPH11222670A (en) * | 1998-02-06 | 1999-08-17 | Ulvac Corp | Film thickness monitor and film forming device using this |
JP4706380B2 (en) * | 2005-08-04 | 2011-06-22 | ソニー株式会社 | Vapor deposition apparatus and vapor deposition method |
JP2009185344A (en) * | 2008-02-07 | 2009-08-20 | Sony Corp | Vapor deposition method, vapor deposition apparatus, and method for manufacturing display device |
US8229691B2 (en) * | 2008-06-09 | 2012-07-24 | International Business Machines Corporation | Method for using real-time APC information for an enhanced lot sampling engine |
EP2508645B1 (en) * | 2011-04-06 | 2015-02-25 | Applied Materials, Inc. | Evaporation system with measurement unit |
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2015
- 2015-06-17 KR KR1020177034155A patent/KR101950959B1/en active IP Right Grant
- 2015-06-17 JP JP2017557378A patent/JP6411675B2/en not_active Expired - Fee Related
- 2015-06-17 WO PCT/EP2015/063636 patent/WO2016202387A1/en active Application Filing
- 2015-06-17 CN CN201580080549.9A patent/CN107709604A/en active Pending
- 2015-06-17 KR KR1020187028708A patent/KR20180112123A/en active Application Filing
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Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20030140858A1 (en) * | 2001-04-20 | 2003-07-31 | Marcus Michael A. | Reusable mass-sensor in manufacture of organic light-emitting devices |
US20040133387A1 (en) * | 2001-07-12 | 2004-07-08 | Thomas Volkel | Monitoring of measuring signal, in particular in automation technology |
US20100086681A1 (en) * | 2007-03-06 | 2010-04-08 | Tokyo Electron Limited | Control device of evaporating apparatus and control method of evaporating apparatus |
US20100316788A1 (en) * | 2009-06-12 | 2010-12-16 | Applied Materials, Inc. | Deposition rate monitor device, evaporator, coating installation, method for applying vapor to a substrate and method of operating a deposition rate monitor device |
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TW201710536A (en) | 2017-03-16 |
JP6411675B2 (en) | 2018-10-24 |
KR101950959B1 (en) | 2019-02-21 |
TWI612167B (en) | 2018-01-21 |
KR20180112123A (en) | 2018-10-11 |
JP2018519415A (en) | 2018-07-19 |
WO2016202387A1 (en) | 2016-12-22 |
CN107709604A (en) | 2018-02-16 |
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