CN1869281A - Film coating equipment and its film coating method - Google Patents
Film coating equipment and its film coating method Download PDFInfo
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- CN1869281A CN1869281A CN 200510034866 CN200510034866A CN1869281A CN 1869281 A CN1869281 A CN 1869281A CN 200510034866 CN200510034866 CN 200510034866 CN 200510034866 A CN200510034866 A CN 200510034866A CN 1869281 A CN1869281 A CN 1869281A
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Abstract
The invention supplies a coating device that includes bearing device to bear the basal board of coating film, a coating source that is set opposite to the bear device and a monitoring device that is set near the bear base. The device would adjust the height of the monitoring wafer to alter the ratio of the thickness of monitoring wafer film and the coating thickness film of the base board. The invention could take accurate control the different thickness coating film.
Description
[technical field]
The invention relates to the thin film manufacture process field, particularly a kind of filming equipment and film coating method thereof with plated film film thickness monitoring function.
[background technology]
At present, the thin film manufacture process technology is widely used on semi-conductor industry and the precision optical machinery, because the product that utilizes the thin film manufacture process technology to be produced has very high additive value, make thin film manufacture process technology and thin-film material be widely used in research and actual, bring developing rapidly of coating technique simultaneously.Usually, film coating method mainly comprises ion plating method, radio frequency magnetron sputter, vacuum vapor deposition method, chemical Vapor deposition process etc.Yet, intensive and microminiaturized along with unicircuit, the precision improvement of precision optical machinery requires more harsh for coating film thickness.For example some light filter film requires the film number of plies up to tens of layers more than, thereby makes the thin film coating thickness monitoring become a great problem.
For the thin film coating thickness monitoring, optical monitoring is the preferable monitor mode of being used always in the high-accuracy film-plating process, and be divided into directly monitoring on the workpiece or be connected on the independent monitoring coupon and monitor, latter's handiness is strong, as adopt quartzy monitor wafer to monitor and measure coating film thickness, it can be monitored in real time to thin film deposition thickness, and ultimate principle is: the electrodeposition substance of certain mass is on quartz wafer, and the change amount of its resonant frequency is: Δ f=-f
0 2Δ m/A (μ ρ)
0.5=-C Δ m; Wherein, f
0Initial resonant frequency for quartz wafer; A is a surface-area; ρ is quartzy density (2.648gcm
-3).C is the constant relevant with quartz crystal in this formula, and it will remain unchanged in coating process, and then within the specific limits, the change of quartz wafer resonant frequency is linear change with the quality change that is deposited on its surface film; Thereby, can monitor by the change of monitoring quartz wafer resonant frequency and to be deposited on its surperficial plated film thickness.
Prior art provides a kind of filming equipment, and it comprises a motor; One first gear, it is located at the axle center of this motor; At least two second gears, its respectively with this first toothing; At least two base plate carrying seats, its respectively axle be located at the axle center of each second gear; One dividing plate, it is located between these second gears and these base plate carrying seats, and a side of this dividing plate is provided with two shield supports at least, and an end of each shield support is installed in this dividing plate, and its other end extends towards the direction that is provided with of this base plate carrying seat; And a coating source, it is relative with these base plate carrying seats and establish.The optical monitoring unit of filming equipment is adjacent to one of these base plate carrying seats.This method is only blocked by shield and is desired the thin zone of plated film, thereby produce the discontinuous rete of thickness, but it is the control of the discontinuous thickness of unitary film, usually, for the different optical assembly, its respective design film thickness demand difference, and under the range limited system of supervisory wavelength, can monitor coating film thickness can be restricted, thereby be difficult to satisfy the diversified product of multilayer film thickness, be difficult to simultaneously this variation film thickness is carried out precision control.
In view of this, be necessary to provide a kind of and can be applicable to the variation of coating film thickness and be easy to the accurate filming equipment of controlling real to be necessary.
[summary of the invention]
Below, will a kind of filming equipment that can be applicable to the coating film thickness variation and be easy to accurate control be described with embodiment.
And a kind of film coating method is described by embodiment.
For realizing foregoing, a kind of filming equipment is provided, it comprises: a bogey, it has a plurality of load bearing seats, to carry the workpiece of a plurality of desire plated films; One coating source, it is relative with described bogey and establish; And a monitoring device, it is relative with described coating source and be close to the load bearing seat setting, comprises one with respect to the adjustable monitor wafer of the distance of coating source, and the coating film thickness of described monitoring crystalline substance becomes a ratio with the coating film thickness of workpiece.
Wherein, described filming equipment further comprises at least one test suite, and it is relative with this coating source and establish, and is arranged between coating source and the load bearing seat.
Described test suite comprises the testing wafer that can dynamically adjust at least; Described testing wafer adopts quartz wafer or opticglass wafer.
The coating film thickness of described monitor wafer and the ratio that coating film thickness becomes of workpiece and described monitor wafer are with respect to the inversely proportional relation of the distance of coating source; Described ratio is between 0.8～2.
Described monitor wafer adopts quartz wafer or opticglass wafer.
Described monitoring device comprises that further one adjusts the slide assemblies of monitor wafer with respect to the coating source distance.
Described coating source adopts vapor deposition source, sputter source, target; And employing comprises the coating source of one or more materials.
And, a kind of film coating method, it may further comprise the steps:
One coating source is provided;
The workpiece of a plurality of desire plated films is placed on a plurality of load bearing seats of the bogey that is oppositely arranged with coating source;
To the workpiece plated film, adjust in the monitoring device monitor wafer simultaneously with respect to the distance of coating source, the coating film thickness and the workpiece that change monitor wafer are desired the ratio that coating film thickness became, and are beneficial to desire coating film thickness on the monitor wafer monitoring workpiece;
Repeat previous step, plate the film of pre-determined thickness up to workpiece.
Wherein, described film coating method further comprises the plating rate of utilizing a test suite tentatively to monitor workpiece coating film thickness and coating source; Described test suite comprises the testing wafer that can dynamically adjust at least; It adopts quartz wafer or opticglass wafer.
When described workpiece was desired coating film thickness and increased, described monitor wafer reduced with respect to the distance of coating source, made the ratio increase of coating film thickness with the coating film thickness of workpiece of described monitor wafer; When described workpiece is desired coating film thickness and reduced, increase the distance of described monitor wafer, make the ratio reduction of coating film thickness with the coating film thickness of workpiece of described monitor wafer with respect to coating source.
Described monitor wafer is retained on the slide assemblies, adjusts the distance of monitor wafer with respect to coating source by described slide assemblies.
Compared with prior art, the filming equipment that present embodiment provides has the monitor wafer that can dynamically slide, when desire plating workpiece fixedly the time, by the distance of dynamic adjustment monitor wafer, adjust institute's coating film thickness on the monitor wafer, with coating film thickness that changes monitor wafer and the ratio of desiring to be plated in workpiece upper film thickness with respect to coating source, make monitor wafer be adapted to monitor new desire coating film thickness, thereby the filming equipment of present embodiment can adapt to the variation of product thickness, is specially adapted to multicoating; And this ratio is easy to accurate control in actual applications, only by dynamically adjusting the distance of monitor wafer with respect to coating source, can realize the different coating film thicknesses of workpiece are accurately controlled.
The monitor wafer that the film coating method that present embodiment provides utilizes equipment dynamically to slide, in coating process, can pass through to adjust the distance of this monitor wafer, thereby can monitor in real time, realize the precision control of workpiece coating film thickness the workpiece coating film thickness with respect to coating source.
[description of drawings]
Fig. 1 is the filming equipment synoptic diagram of the technical program embodiment.
Fig. 2 is a bogey upward view in the filming equipment of the technical program embodiment.
Fig. 3 is the film coating method schema of the technical program embodiment.
[embodiment]
Below in conjunction with accompanying drawing the present invention is described in further detail.
Please consult Fig. 1 and Fig. 2 together, the filming equipment and the bogey structural representation that provide for the technical program embodiment.Filming equipment 1 comprises a Workpiece carrier device 10, and it has a plurality of load bearing seats 11, is used to carry the workpiece 12 of desiring plated film; One coating source 20, it is relative with described Workpiece carrier device 10 and establish; And a monitoring device 30, it is relative with coating source 20 and establish, and its distance with respect to coating source 20 can be made corresponding adjustment along with coating film thickness changes, with the ratio of the coating film thickness of the coating film thickness that changes monitor wafer 31 in the described monitoring device and workpiece 12.Filming equipment 1 also can comprise at least one test suite 40, and it is relative with this coating source 20 and establish, and is arranged between coating source and the load bearing seat.Whole filming equipment 1 can place in the vacuum cavity 50.
Described bogey 10 can adopt parachute kit formula or planetary structure.Present embodiment adopts planetary structure.Bogey 10 has a turning axle 13 and a carrying platform 14, and a plurality of load bearing seats 11 then are arranged on the carrying platform 14, and to be evenly distributed on this turning axle 13 be that perhaps the branch multilayer is looped around around the turning axle 13 on the carrying circumference 15 of certain radius at center; The radius of carrying circumference 15 is decided on load bearing seat 11 quantity, and during load bearing seat 11 comparatively small amt, radius is corresponding less; And load bearing seat 11 quantity more for a long time, and radius is also wanted corresponding increase, evenly arranging these load bearing seats 11, thereby can carry out plated film to more workpiece 12 simultaneously.Present embodiment adopts two carrying circumference 15, has 24 load bearing seats 11 altogether, and each load bearing seat 11 carries a workpiece 12 of desiring plated film on it respectively.
Described coating source 20 and described bogey 10 are relative and establish; This coating source can adopt vapor deposition source, sputter source, target.When need plating multilayer film, it comprises the various material film usually, thereby coating source can correspondingly comprise the coating source of various material, and then coating source 20 can corresponding employing a plurality of platings source or target head.
Described monitoring device 30 can comprise monitor wafer 31 and slide assemblies 32; Monitor wafer 31 can adopt quartz wafer or opticglass wafer; Slide assemblies 32 can endwisely slip along turning axle 13, with the position of adjustment monitor wafer 31, thereby dynamically adjusts the distance of monitor wafer 31 with respect to coating source 20.In the present embodiment, monitor wafer 31 and workpiece 12 be relative coating source 20 and establishing all, in the time of to workpiece 12 plated films, and the also corresponding certain thickness film that plates on the monitor wafer 31, thereby the coating film thickness of monitor wafer 31 becomes certain ratio with the coating film thickness of workpiece 12.Usually, the plated film time is when constant, the thickness of monitor wafer 31 and 12 coatings of workpiece and its distance with respect to coating source 20 are inversely proportional to, the distance that is monitor wafer 31 and workpiece 12 relative coating sources 20 is near more, institute's coatings is thick more on it, thereby when workpiece 12 stationkeeping, the coating film thickness ratio of monitor wafer 31 and workpiece 12 can be adjusted recently by the distance of monitor wafer 31 relative coating sources 20.When workpiece 12 plates the certain thickness single thin film,, control desire coating film thickness on the workpiece 12 indirectly as need by himself coating film thickness of monitor wafer 31 monitoring according to monitor wafer 31 and workpiece 12 ratios that coating film thickness becomes; When on workpiece 12, plating multilayer film as need, by above-mentioned plate first rete with quadrat method after, when next thicknesses of layers changes, then adjust the distance of monitor wafer 31, just transfer closely when thicker, just transfer remote when thin with respect to coating source 20, monitor wafer 31 and workpiece 12 coating film thickness ratios are fit to, usually between 0.8～2, be beneficial to monitor wafer 31 self coating film thickness is monitored, also promptly realize workpiece 12 different coating film thicknesses are accurately controlled.Monitor wafer 31 can adopt one or more wafers, and for simple plated film, single monitor wafer 31 can meet the demands; When adopting multiple plating material, can adopt a plurality of monitor wafer 31, correspond respectively to the plated film material as coating source 20.
Described test suite 40 can comprise testing wafer 41 and slide bearings 42; Also can adjust test suite 40 height and inclination angles by a portable stanchion 43 is set.Slide bearings 32 can move along the slide rail of outer casing inner wall, with the position of adjustment testing wafer 41, thereby can adjust its distance with respect to coating source 20; Testing wafer 41 can adopt quartzy testing wafer or opticglass testing wafer, and present embodiment adopts quartzy testing wafer, utilizes the change of quartzy concussion frequency tentatively to monitor the coating film thickness variation of workpiece 12, and monitors the plating rate of coating source according to this variation in thickness.Usually, the plating rate of coating source maintains about 0.5 s-1, when the plated film speed of test suite 40 monitorings departs from this numerical value, can adjust the voltage or the power of coating source 20, so that the plating rate of coating source 20 reaches pre-provisioning request.When coating source 20 adopts multiple plating material, a plurality of test suites 40 also can be set in the corresponding position simultaneously coating film thickness tentatively be monitored, to reduce operate miss, improve the precision of coating process.
During plated film, load bearing seat 11 rotates around it under turning axle 13 drives, and makes workpiece 12 even plated films.When needs plate than thick film on workpiece 12, can shorten the distance of monitor wafer 31 with respect to coating source 20, promptly cause the coating film thickness and the ratio raising of desiring to be plated in workpiece upper film thickness of monitor wafer 31; Anti-is as the same.Thereby in the present embodiment, monitor wafer 31 can be close with respect to the position of coating source 20 with workpiece 12 with respect to the position of coating source 20, also can be higher or lower than the position of workpiece 12 with respect to coating source 20.Filming equipment 1 is adapted to multicoating especially, when every layer film variable thickness, correspondingly adjusts the position of monitor wafer 31 as stated above so that it adapts to the demand of new coatings thickness, on workpiece 12, plate the thin film layer of respective thickness.As for a ultraviolet filter, for improving ultraviolet band by effect, usually need to plate 30 layers with upper film in substrate, every layer film variation in thickness scope is about 100nm～200nm, need constantly to adjust the position of monitor wafer 31 this moment, is beneficial to its plated film to different thickness on the workpiece 12 and monitors in real time.
Seeing also Fig. 3, is the film coating method schema that the technical program provides.This film coating method may further comprise the steps: a coating source is provided; The workpiece of a plurality of desire plated films is placed on a plurality of load bearing seats of the bogey that is oppositely arranged with coating source; To the workpiece plated film, adjust in the monitoring device monitor wafer simultaneously with respect to the distance of coating source, the coating film thickness and the workpiece that change monitor wafer are desired the ratio that coating film thickness became, and are beneficial to desire coating film thickness on the monitor wafer monitoring workpiece; Repeat previous step, plate the film of pre-determined thickness up to workpiece.
Step 100 a: coating source is provided.This coating source 20 can adopt vapor deposition source, sputter source, target etc., and when need plating multilayer film, it comprises various material usually, thereby coating source can correspondingly comprise the coating source of various material, and then coating source 20 can corresponding employing a plurality of platings source or target head.
Step 200: the workpiece of a plurality of desire plated films is placed on a plurality of load bearing seats of the bogey that is oppositely arranged with coating source.Usually, for keeping these workpiece plated film uniformity consistencies, these load bearing seats 11 are evenly distributed on the carrying platform 14, and for the workpiece 12 of desire plating same thickness rete, it can be arranged on the symmetric load bearing seat 11.
Step 300: to the workpiece plated film, adjust in the monitoring device 30 monitor wafer 31 simultaneously with respect to the distance of coating source 20, the coating film thickness that changes monitor wafer 31 is desired the ratio that coating film thickness became with workpiece 12, is beneficial to desire coating film thickness on the monitor wafer monitoring workpiece 12.During the beginning plated film, monitor coating film thickness on the workpiece 12 by the monitor wafer in the monitoring device 30 31, because desiring coating film thickness with workpiece 12, the coating film thickness of monitor wafer 31 becomes certain ratio, can draw the distance of monitor wafer 31 by this ratio with respect to coating source 20, after being adjusted to the corresponding position, can utilize monitor wafer 31 monitoring coating film thicknesses.When desiring the coating film thickness increase, make this ratio increase, get final product the distance of the described monitor wafer 31 of corresponding shortening, be beneficial to its monitoring workpiece 12 coating film thicknesses with respect to coating source 20 as workpiece 12; Equally, when workpiece 12 desire coating film thicknesses are low, make this ratio reduce, get final product the distance of corresponding increase monitor wafer 31, be beneficial to its monitoring workpiece 12 coating film thicknesses with respect to coating source.By this kind monitoring in real time of monitor wafer 31, can the accurate coating film thickness of controlling workpiece 12.
Step 400: repeat previous step, plate the film of pre-determined thickness up to workpiece.Usually, need the plating multilayer film on the workpiece 12, after workpiece 12 plates thin film by above-mentioned steps, when then descending one deck plated film, this thicknesses of layers is different with the last layer film thickness usually, and only need repeating step 300 this moment, adjusts the distance of monitor wafer 31 with respect to coating source 20, make monitor wafer 31 still better monitor workpiece 12 and desire coating film thickness, plate new rete thereon.So, no matter need how many layer films of plating on workpiece 12, although its thickness has nothing in common with each other, the film coating method that provides by present embodiment can satisfy the requirement of pre-determined thickness plated film.When the desire plated film need plate the unlike material rete sometimes, also to be replaced with corresponding plating source.
In addition, film coating method also can comprise the step of utilizing a test suite 40 preliminary monitoring workpiece 12 coating film thicknesses and coating source 20 plating rates; Test suite 40 comprises dynamically adjustable testing wafer 41 of an energy at least, and it can adopt quartz wafer or opticglass wafer.
The filming equipment 1 that present embodiment provides has the monitor wafer that can dynamically slide 31, when desire plating workpiece fixedly the time, by the distance of dynamic adjustment monitor wafer 31 with respect to coating source 20, thereby can change the coating film thickness and the ratio of desiring to be plated in workpiece 12 upper film thickness of monitor wafer 31, make monitor wafer be adapted to monitor new desire coating film thickness.Thereby the filming equipment of present embodiment can adapt to the diversified product of thickness, is specially adapted to multicoating.And above-mentioned ratio is easy to accurate control in actual applications, can with respect to the distance of coating source 20 monitor wafer 31 can accurately be controlled immediately to the plated film of workpiece different thickness by dynamic adjustment monitor wafer 31.In addition, because present embodiment, utilizes the plating rate of its preliminary monitoring coating film thickness and coating source 20 also in conjunction with the test suite that can dynamically adjust 40, be beneficial to monitor wafer 31 and further workpiece 12 coating film thicknesses carried out precision control.
Claims (15)
1. filming equipment, it comprises: a bogey, it has a plurality of load bearing seats, to carry a plurality of desire plated films; One coating source, it is relative with described bogey and establish; And a monitoring device, it is relative with described coating source and be close to workpiece setting; It is characterized in that: described monitoring device comprises the adjustable monitor wafer of at least one distance with respect to coating source, and its coating film thickness becomes a ratio with the coating film thickness of workpiece.
2. filming equipment as claimed in claim 1 is characterized in that: described filming equipment further comprises at least one test suite, and it is relative with this coating source and establish, and is arranged between coating source and the load bearing seat.
3. filming equipment as claimed in claim 1 is characterized in that: the coating film thickness of described at least one monitor wafer and the ratio that coating film thickness becomes of workpiece and described monitor wafer are with respect to the inversely proportional relation of the distance of coating source.
4. as claim 1 or 3 described filming equipments, it is characterized in that: described ratio is between 0.8～2.
5. filming equipment as claimed in claim 1 is characterized in that: described monitor wafer adopts quartz wafer or opticglass wafer.
6. filming equipment as claimed in claim 2 is characterized in that: described test suite comprises the testing wafer that can dynamically adjust at least.
7. filming equipment as claimed in claim 6 is characterized in that: described testing wafer adopts quartz wafer or opticglass wafer.
8. filming equipment as claimed in claim 1 is characterized in that: described bogey adopts parachute kit formula or planetary bogey.
9. filming equipment as claimed in claim 1 is characterized in that: described monitoring device comprises that further one adjusts the slide assemblies of monitoring coupon with respect to the coating source distance.
10. filming equipment as claimed in claim 1 is characterized in that: described coating source adopts vapor deposition source, sputter source, the target that comprises one or more materials.
11. a film coating method, it may further comprise the steps:
One coating source is provided;
The workpiece of a plurality of desire plated films is placed on a plurality of load bearing seats of the bogey that is oppositely arranged with coating source;
To the workpiece plated film, adjust in the monitoring device monitor wafer simultaneously with respect to the distance of coating source, the coating film thickness and the workpiece that change monitor wafer are desired the ratio that coating film thickness became, and are beneficial to desire coating film thickness on the monitor wafer monitoring workpiece;
Repeat previous step, plate the film of pre-determined thickness up to workpiece.
12. film coating method as claimed in claim 11 is characterized in that: described film coating method further comprises the plating rate of utilizing a test suite tentatively to monitor workpiece coating film thickness and coating source.
13. film coating method as claimed in claim 12 is characterized in that: described test suite comprises the testing wafer that can dynamically adjust at least.
14. film coating method as claimed in claim 11 is characterized in that: when described workpiece is desired coating film thickness and increased, shorten the distance of described monitor wafer, make the ratio increase of coating film thickness with the coating film thickness of workpiece of described monitor wafer with respect to coating source; When described workpiece is desired coating film thickness and reduced, increase the distance of described monitor wafer, make the ratio reduction of coating film thickness with the coating film thickness of workpiece of described monitor wafer with respect to coating source.
15. as each described film coating method of claim 11 to 14, it is characterized in that: described monitor wafer is retained on the slide assemblies, and adjusts the distance of monitor wafer with respect to coating source by described slide assemblies.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100348665A CN100482856C (en) | 2005-05-24 | 2005-05-24 | Film coating equipment and its film coating method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100348665A CN100482856C (en) | 2005-05-24 | 2005-05-24 | Film coating equipment and its film coating method |
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| CN1869281A true CN1869281A (en) | 2006-11-29 |
| CN100482856C CN100482856C (en) | 2009-04-29 |
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| CNB2005100348665A Expired - Fee Related CN100482856C (en) | 2005-05-24 | 2005-05-24 | Film coating equipment and its film coating method |
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| CN101586231B (en) * | 2008-05-21 | 2012-05-30 | 鸿富锦精密工业（深圳）有限公司 | Film deposition device |
| CN101988212B (en) * | 2009-08-05 | 2013-06-05 | 鸿富锦精密工业（深圳）有限公司 | Wet coating device |
| CN103668079A (en) * | 2012-09-17 | 2014-03-26 | 三星显示有限公司 | Deposition apparatus |
| CN103938163A (en) * | 2014-05-08 | 2014-07-23 | 深圳市深新隆实业有限公司 | Coating method and equipment of diamond crystal film |
| CN109487227A (en) * | 2018-12-29 | 2019-03-19 | 深圳市致远动力科技有限公司 | Battery material coating control method and computer readable storage medium |
| CN109628888A (en) * | 2018-12-27 | 2019-04-16 | 深圳市致远动力科技有限公司 | Battery material coating control method and computer readable storage medium |
| CN110205600A (en) * | 2019-07-04 | 2019-09-06 | 浙江大学昆山创新中心 | A kind of high temperature resistant dual purpose crystalline substance control instrument |
| CN110777348A (en) * | 2019-10-30 | 2020-02-11 | 苏师大半导体材料与设备研究院(邳州)有限公司 | Wafer coating equipment |
| CN113493901A (en) * | 2021-06-22 | 2021-10-12 | 上海天马有机发光显示技术有限公司 | Vacuum coating machine |
| WO2023201841A1 (en) * | 2022-04-20 | 2023-10-26 | 广东振华科技股份有限公司 | Individual-film thickness measurement system for multi-layer film system and measurement method thereof |
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| EP2508645B1 (en) * | 2011-04-06 | 2015-02-25 | Applied Materials, Inc. | Evaporation system with measurement unit |
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| JP3865303B2 (en) * | 2002-02-26 | 2007-01-10 | オリンパス株式会社 | Optical film thickness monitoring method and apparatus |
| CN1234906C (en) * | 2003-04-11 | 2006-01-04 | 精碟科技股份有限公司 | Deposition equipment |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101586231B (en) * | 2008-05-21 | 2012-05-30 | 鸿富锦精密工业（深圳）有限公司 | Film deposition device |
| CN101988212B (en) * | 2009-08-05 | 2013-06-05 | 鸿富锦精密工业（深圳）有限公司 | Wet coating device |
| CN103668079A (en) * | 2012-09-17 | 2014-03-26 | 三星显示有限公司 | Deposition apparatus |
| CN103668079B (en) * | 2012-09-17 | 2017-12-12 | 三星显示有限公司 | Evaporation coating device |
| CN103938163A (en) * | 2014-05-08 | 2014-07-23 | 深圳市深新隆实业有限公司 | Coating method and equipment of diamond crystal film |
| CN109628888A (en) * | 2018-12-27 | 2019-04-16 | 深圳市致远动力科技有限公司 | Battery material coating control method and computer readable storage medium |
| CN109487227A (en) * | 2018-12-29 | 2019-03-19 | 深圳市致远动力科技有限公司 | Battery material coating control method and computer readable storage medium |
| CN110205600A (en) * | 2019-07-04 | 2019-09-06 | 浙江大学昆山创新中心 | A kind of high temperature resistant dual purpose crystalline substance control instrument |
| CN110777348A (en) * | 2019-10-30 | 2020-02-11 | 苏师大半导体材料与设备研究院(邳州)有限公司 | Wafer coating equipment |
| CN113493901A (en) * | 2021-06-22 | 2021-10-12 | 上海天马有机发光显示技术有限公司 | Vacuum coating machine |
| WO2023201841A1 (en) * | 2022-04-20 | 2023-10-26 | 广东振华科技股份有限公司 | Individual-film thickness measurement system for multi-layer film system and measurement method thereof |
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| CN100482856C (en) | 2009-04-29 |
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