CN201762437U - Electric arc evaporation source for actively controlling arc spots and device using same - Google Patents
Electric arc evaporation source for actively controlling arc spots and device using same Download PDFInfo
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- CN201762437U CN201762437U CN201020520318XU CN201020520318U CN201762437U CN 201762437 U CN201762437 U CN 201762437U CN 201020520318X U CN201020520318X U CN 201020520318XU CN 201020520318 U CN201020520318 U CN 201020520318U CN 201762437 U CN201762437 U CN 201762437U
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Abstract
The utility model relates to an electric arc evaporation source for actively controlling arc spots and a vacuum electric arc ion plating device using the same. The electric arc evaporation source includes an arc striking mechanism, a target material fixing bar, a small coil, an outer insulation sleeve, a target stand, a big coil, a target material, a small magnetic field pole axis and etc. The vacuum electric arc ion plating device includes a hanger, a vacuum chamber, an electric arc evaporation source and a vacuum acquiring system. Employing the electric arc evaporation source and the vacuum electric arc ion plating device, number of large particles in the coating is greatly reduced and diameter of the maximum particle is greatly decreased; thereby, the device could increase the service life of processing workpiece by 3-10 times, significantly reduce production cost, enhance production efficiency and improve product quality.
Description
[technical field]
The utility model belongs to the filtered cathode vacuum arc technical field.More specifically, the utility model relates to a kind of arc evaporation source of ACTIVE CONTROL arc spot, and the utility model also relates to the filtered cathode vacuum arc equipment that uses this arc evaporation source.
[background technology]
Filtered cathode vacuum arc is a kind ofly to adopt arc discharge that reactant is deposited on ion plating technique on the substrate under vacuum environment.The principle of filtered cathode vacuum arc be the negative electrode target as evaporation source, by the arc discharge between target and the anode casing, make target evaporation, in the space, form plasma body, thereby be deposited on the substrate.Filtered cathode vacuum arc equipment is made up of arc light evaporation source, vacuum chamber and substrate.In the arc light evaporation source, material is as the negative electrode target, and anode links to each other with vacuum chamber, and negative electrode and anode are connected to the negative pole and the positive pole of low-voltage, high-current direct supply respectively.Vacuum chamber pressure is evacuated to 10
-3～10
-1Pa.Contact and the moment of leaving with negative electrode target surface at arc electrode, between negative electrode and anode, form the arc discharge of controlling oneself.Flame current is generally several the peace to the hundreds of peace, and operating voltage is 10～25V, and at this moment whole current concentrations of cathode surface form bright cathodic arc spot at one or more very little positions.The diameter of arc spot is 0.01～100 μ m, and with up to the speed of 10m/s in the cathode surface random motion, also can utilize the motion of magnetic field control cathode arc spot.
In the place ahead of cathodic arc spot is the high-density metal plasma body, positive ion accumulation promptly formation positive space charge appears owing to electronics anode quick travel makes cathode spot the place ahead, thereby near negative electrode, form extremely strong strength of electric field (105～106V/cm), cause an electron emission to keep arc discharge.In addition, the anticathode bombardment of part ion makes local rapid evaporation of cathode spot and the rapid ionization in the space again, makes these cathode spots become small evaporation source.These small evaporation sources are strapped in cathode target surface and do regular motion under the effect of magnetic field and shielding insulation, thereby form the uniform evaporation source of big area, gush out electronics, ion, melt metal material and atom, wherein cathode material stream accounts for 7%～12% of arc stream.Under the negative bias effect of substrate phase anticathode 200～400V, ionic current is condensed into metal, alloy or compound coat on substrate.
The filtered cathode vacuum arc evaporation source is one of key of decision coating quality quality.Because the electric arc of evaporation source is controlled by magnetic field, thereby Distribution of Magnetic Field is very big to the evaporation source influence.In order to improve precious metal utilization ratio and coating quality, should make target evaporation as far as possible evenly, evaporating particle is as far as possible little.Yet above-mentioned two kinds of requirements are conflicting.This is that spots moving speed adds soon owing to increase with magneticstrength, and arc spot molten bath diminishes, and the metallic particles that evaporation obtains is more little, but the spots moving scope can dwindle, and therefore reduces target utilization.
Existing filtered cathode vacuum arc evaporation source roughly is divided into two classes on structure.One class adopts permanent-magnet structure, and at the rearmounted permanent magnet of cathode targets, adjust permanent magnet apart from the target surface distance to adjust the target surface magneticstrength.This equipment is higher to target utilization, but the metallic particles that evaporation obtains is big, and depositional coating is of poor quality.
Another kind of equipment adopts single field structure evaporation source, promptly in the target postposition with solenoid, adjust coil current to change the target surface magneticstrength.The metallic particles that this kind equipment evaporation obtains is less, but the target surface utilization ratio is low.For example the disclosed technology of CN91103541.9 adopts movement locus and the speed of solenoid magnetic pond control electric arc arc spot on cathode surface, has reduced the molten drop of evaporation source emission.In addition, the disclosed a kind of large-area controllable arc evaporating source of CN94220021.7 for example, big planar target 2 is fixed on the cathode block 7, and sealing-ring 6 is arranged between the two.Cathode block 7 seals by insulating part 5 and sealing-ring 8 with the flange of vacuum chamber 24, be provided with many group electric arc coils 16 in the cathode block 7, cover plate 17 is fixed on the cathode block, and pressing plate 12 usefulness bolts are connected on the flange of vacuum chamber 24, and solenoid 16 connects direct supply by terminal stud 14.The annulus target 19,20 of foreign material is housed with one heart or small column target 1 is housed on the big planar target 5.CN200610045720129 discloses the arc evaporation source that adopts two groups of coils, but it does not solve macrobead and generate problem the not control of arc spot, just tackles the on-rectilinear movement macrobead by big stitch length.CN200810010762129 also discloses the arc evaporation source that adopts two groups of coils, but its exterior loop produces and the magnetic field of target surface horizontal direction.
Above-mentioned patent application all has the total defective of this kind equipment.For this reason, the inventor has finished the present invention finally through a large amount of research work.
[summary of the invention]
[technical problem that will solve]
The arc evaporation source that the purpose of this invention is to provide a kind of ACTIVE CONTROL arc spot.
Another object of the present invention provides a kind of filtered cathode vacuum arc equipment that uses this arc evaporation source.This equipment can be used for the outside tunicle of instrument, mould, mechanical part or decoration base material, with surface hardness and wear resistance, reduction frictional coefficient and/or the additional color that improves them.This equipment can also improve coating quality when improving target utilization.
[technical scheme]
The utility model is achieved through the following technical solutions.
The utility model relates to a kind of arc evaporation source of ACTIVE CONTROL arc spot.
Described arc evaporation source comprises target fixed link 2 and the target stand 5 that is used for fixing target 8, target fixed link 2 is in target stand 5 inner chambers, it is characterized in that target fixed link 2 radially is provided with little magnetic field pole axis 9 in both sides in target stand 5 inner chambers, pole axis 9 radial outsides are provided with one group of small coil 3 in the medium and small magnetic field of target stand 5 inner chambers, small coil 3 radial outsides are provided with water jacket 10 in target stand 5 inner chambers, little magnetic field pole axis 9 is fixed together with water jacket 10, away from a side and water jacket 10 radial outsides of target 8 small coil pole shoe 12 is set at small coil 3, small coil pole shoe 12, little magnetic field pole axis 9 and small coil 3 form the small coil magnetic field of opening surface to target 8, at target stand 5 radial outsides big coil 6 is set, the target end face is positioned at little field strength reach, and ensures that target end face horizontal magnetic field is greater than 50 Gausses.
According to a kind of preferred implementation of the present utility model, described big coil 6 is to be made of the magnetic conductive metal bucket that is twining lead, and described magnetic conductive metal bucket two ends are provided with flange, and described flange is made of non-magnetizer.
According to another kind of preferred implementation of the present utility model, when described arc evaporation source was worked, the central magnetic field polarity of small coil 3 and big coil 6 was opposite.
The utility model also relates to a kind of filtered cathode vacuum arc equipment with described arc evaporation source.This filtered cathode vacuum arc equipment comprises hanger 16, vacuum chamber 17, arc evaporation source 18 and the vacuum acquiring system 19 that is connected with described vacuum chamber 17.
A preferred embodiment of the invention, described arc evaporation source is by the flange sealing and fixing of the flange and the described vacuum chamber 17 of big coil 6, and the arc power positive pole connects described vacuum chamber 17, and the arc power negative pole connects target 8.
Below the present invention will be described in more detail.
The present invention relates to a kind of arc evaporation source of ACTIVE CONTROL arc spot.The resultant field that arc evaporation source of the present invention produces by twin coil is controlled the direction of motion of arc spot, and movement velocity improving target with on the basis of rate, reduces target metal macrobead number and metal macrobead volume simultaneously.Described arc evaporation source comprises target fixed link 2 and the target stand 5 that is used for fixing target 8, target fixed link 2 is in target stand 5 inner chambers, it is characterized in that target fixed link 2 radially is provided with little magnetic field pole axis 9 in both sides in target stand 5 inner chambers, pole axis 9 radial outsides are provided with one group of small coil 3 in the medium and small magnetic field of target stand 5 inner chambers, small coil 3 radial outsides are provided with water jacket 10 in target stand 5 inner chambers, little magnetic field pole axis 9 is fixed together with water jacket 10, away from a side and water jacket 10 radial outsides of target 8 small coil pole shoe 12 is set at small coil 3, small coil pole shoe 12, little magnetic field pole axis 9 and small coil 3 form the small coil magnetic field of opening surface to target 8, at target stand 5 radial outsides big coil 6 is set, the target end face is positioned at little field strength reach, and ensures that target end face horizontal magnetic field is greater than 50 Gausses.
Arc evaporation source of the present utility model divides pressure-controlled vacuum (8 * 10 at feeding Ar gas
-2Pa), 100 volts of negative electrode operating voltage 30-45 volts, starting the arc operating voltage down, utilize vacuum arc discharge to make cathode material evaporation and ionization, form purified plasma body, be deposited on and form required rete on the substrate afterwards.Owing to only produce pure plasma body in whole technological process, the performance of rete is very stable, can generate the high quality rete that smooth surface is careful and sticking power is fabulous.
In the utility model, described target can be normally used target in the filtered cathode vacuum arc technical field, for example various targets such as zinc alloy, plastics, copper, iron, stainless steel, glass, pottery.
In the utility model, described big coil 6 is to be made of the magnetic conductive metal bucket that is twining lead, and described magnetic conductive metal bucket two ends are provided with flange, and described flange is made of non-magnetizer.
When arc evaporation source was worked, described small coil 3 was opposite with the central magnetic field polarity of big coil 6.
In the utility model, the magnetic field interaction principle of two coil formation is as follows:
The utility model also provides a kind of filtered cathode vacuum arc equipment with above-mentioned arc evaporation source, and this filtered cathode vacuum arc equipment comprises hanger 16, vacuum chamber 17, arc evaporation source 18 and the vacuum acquiring system 19 that is connected with described vacuum chamber 17.
In the utility model, described vacuum acquiring system is the normally used vacuum acquiring system in present technique field, also is conspicuous for those skilled in the art, and for example the Beijing Changcheng Ti-gold Company is with the vacuum acquiring system of trade(brand)name TG-4 sale.
In the utility model, described arc evaporation source is by the flange sealing and fixing of the flange and the described vacuum chamber 17 of big coil 6, and the arc power positive pole connects described vacuum chamber 17, and the arc power negative pole connects target 8.
Owing to be respectively equipped with big or small two groups of coils at arc evaporation source, therefore in big coil inside owing to use magnetic conductive metal bucket wall, radially produce the magnetic field that the intermediate magnetic intensity of field is less and peripheral magneticstrength is bigger along its coil, this magneticstrength along its coil axes to the centre a little less than, and strengthen gradually near the coil two ends, can produce a kind of magnetic line of force deflection intermediary magnetic field structure at end turn like this.The character that the acute angle direction of utilizing the electric arc point in the magnetic line of force to constitute towards magnetic line of force and target surface moves, the target surface position should be in all inside positions of magnetic line of force tangential direction, and the arc spot does not have the trend of outside motion like this.
Keeping arc spot incendiary arc power positive pole is connected with described vacuum chamber, the arc power negative electrode is fixed on target fixed link 2 outer ends, link to each other with the housing starting switch by big coil 6, small coil 3 and striking mechanism 2, this housing provides the centralized Control of two coil current outputs and the output of striking signal.
On described hanger 16, be placed with substrate.According to the present invention, described substrate can be various materials such as zinc alloy, plastics, copper, iron, stainless steel, glass, pottery.Be the high-density metal plasma body in its cathodic arc spot the place ahead during arc evaporation source 18 work, the ionic current that their form is condensed into metal, alloy or compound coat on substrate.
According to the utility model, use equipment of the present invention can on various base materials, obtain various coating, for example various coatings such as titanium nitride (TiN), chromium nitride (CrN), titanium carbide (TiC), TiAlN (TiAlN) coating.
The performance of using present device to obtain ion film plating can characterize with parameters such as hardness, thickness, wear resistance and erosion resistances.
The performance perameter of these coatings can adopt measuring method known to those skilled in the art or national standard method to measure.
For example, hardness can adopt Rockwell hardness instrument and accepted standard method thereof to measure.
Thickness can adopt ball milling thickness gauge and accepted standard method thereof to measure.
Wear resistance and erosion resistance: can adopt salt-fog test machine and accepted standard method thereof to measure.
The ion film plating that uses present device to obtain generally can reach 2 hours 3 microns depositions.
Filtered cathode vacuum arc equipment of the present invention can be used for various cutters, for example screw tap, milling cutter, lathe tool, cut the metal sheet cutter; Various moulds, for example forming mould, press tool, drawing die etc., parts easy to wear such as the piston that uses as automotive industry, piston ring, camshaft, oil pump, gear; Wear-resisting parts, the parts of for example weaving, sewing parts, high-accuracy bearing, accurate slide block, compression parts, tactility apparatus wearing piece; Amount instrument and measurer are as slide calliper rule, gauge block, accurate amount platform, metering pin, the edge of a knife; Range detector and transmitter are as temperature sensor, gas sensor, pressure transmitter, ultraviolet ray or radio-active ray sensor.
[beneficial effect]
1, because can controlling magnetic field, but the radial motion of arc spot can solve the low problem of target utilization.(electromagnetism control) target utilization of prior art generally only is 15%, and target utilization of the present invention generally can reach 40%, and therefore, target utilization of the present invention is higher than the target utilization of prior art very significantly.
2, the target surface horizontal magnetic field can be adjusted by the small coil electric current, and spots moving speed can increase, thereby can reduce metal macrobead number in the unit time and reduce metal macrobead diameter.The metal macrobead number of prior art and diameter generally reach 26 respectively (at scanning electron microscope microscope JSM-6510,500 show demonstration encloses middle granularity greater than 5 μ m) and 18 μ m, and use the metal macrobead number and the diameter of present device generally to reach 1.5 and 7 μ m respectively, therefore, compared with prior art, metal macrobead reduced number of the present invention is extremely obvious, and its mean particle dia reduces also extremely obvious.
3, spots moving is subjected to magnetically confined strong, should not scurry arc current interruption.
4, the coating of using the utility model equipment to obtain can improve 3 to 10 times of processing work work-ing lifes.For example High Speed Steel Bit there are not coating, prior art TiN coating, the contrast of this evaporation source TiN coating, processing punching total depth reaches 122mm, 744mm, 1232mm respectively.Use present device processing to reduce cost, enhance productivity, improve quality product.
[description of drawings]
Fig. 1: evaporation source structure assembly drawing: insulation covering, 12-small coil pole shoe, 13-gland, 14-water nozzle, 15-gland in 1-striking mechanism, 2-target fixed link, 3-small coil, 4-external insulation sleeve, 5-target stand, the big coil of 6-, 7-blanking disc, 8-target, the little magnetic field of 9-pole axis, 10-water jacket, the 11-.
Fig. 2: evaporation source vacuum plating unit structure iron: 16-hanger, 17-vacuum chamber, 18-arc evaporation source, 19-vacuum acquiring system.
Fig. 3: 500 times of electromicroscopic photographs of contrast evaporation source
Fig. 4: 2000 times of electromicroscopic photographs of contrast evaporation source
Fig. 5: 500 times of electromicroscopic photographs of evaporation source of the present invention
Fig. 6: 2000 times of electromicroscopic photographs of evaporation source of the present invention
[embodiment]
Embodiment 1: use present device titanium-nitride coating on the stainless steel mirror plate member
Target stand 5 inner chambers are put the water jacket made from magnetically permeable material 10 (being non-magnet material when not marking especially in the present embodiment), water jacket 10 is fixed together with little magnetic field pole axis 9, form waterway between target stand 5 and the water jacket 10, on water jacket 10 tops posticum is arranged, water-in is arranged at the bottom.Between little magnetic field pole axis 9 and water jacket 10, put small coil 3.Outside water jacket 10, deploy the small coil pole shoe 12 that magnetically permeable material is made, and use nut screwing clamping, small coil pole shoe 12, little magnetic field pole axis 9, small coil 3 form front openings small coil magnetic field like this, and water jacket water nozzle 14 and small coil 3 wiring are stretched out from small coil pole shoe 12 tappings up and down, target 8 places the target stand front end, target fixed link 2 places target stand 5 centers and tightens target, sets up sealing-ring on the bar and loads onto gland 15 usefulness nuts fully tightly, and connect the arc power negative electrode.Around the target 8 blanking disc 7 is arranged, blanking disc 7 end faces are concordant with the target end face, and keep the 1mm gap, and blanking disc 7 is connected with target stand 5 insulation.Big coil 6 places around the target stand 5, and is connected with interior insulation covering 11 insulated enclosures of target stand 5 usefulness, and target stand 5 outside external insulation sleeves 4 and gland 13 are used for target stand to be fixed with the insulation of big coil 6.This evaporation source is to form the open magnetic field of front end by small coil pole shoe 12, little magnetic field pole axis 9, small coil 3 to place the line roller to constitute big coil 6 bosoms by magnetically permeable material, the target end face is positioned at little field strength reach, and ensures that the target surface horizontal magnetic field is greater than 50 Gausses.The small coil joint connects programme-controlled dc power, and big coil connectors connects adjustable direct supply.
Operation of equipment step of the present invention is as follows:
The milling cutter sample clean with common clean-out system and drying after, hang over from 300mm place, evaporation source surface on bull stick.
Then, use the Beijing Changcheng Ti-gold Company, be evacuated to 4Pa with mechanical pump with the vacuum acquiring system that trade(brand)name TG-4 sells; Open the high valve pumping high vacuum of molecular pump again, open heater heats to 200 ℃; High vacuum reaches 4 * 10
-3Pa closes well heater, closes throttling valve; Feed argon gas, vacuum tightness reaches 2 * 10
-1Pa;
Biasing 100V; Connect 100 volts of arc powers, start evaporation source, make target charged;
Starting switch makes the work of striking mechanism, produces spark by short circuit, high pressure mode in the middle of target surface, and then inspires the arc spot, and striking mechanism quits work behind the generation arc spot;
The motion under the control of magnetic field of arc spot.According to different targets, allow the electric current of big coil 6 fix, generate corresponding internal magnetic field; Small coil 3 electric currents change within the specific limits, the magnetic field that changes, and control spots moving speed, and the extruding internal magnetic field moves it inside and outside the arc spot;
1 minute plated film time; Feed nitrogen, make vacuum tightness reach 4 * 10
-1Pa, 15 minutes plated film time again; Then, close evaporation source, and close grid bias power supply, nitrogen, argon gas.
Close high valve, left standstill 20 minutes, treat body of heater cooling after, sample is taken out in blow-on.
Then, adopt the measuring method of describing in this specification sheets to measure the performance of resultant coating.
Thickness: 0.32 μ m
Embodiment 2: simultaneous test
The experimental installation that the preparation coating is used: filtered cathode vacuum arc film device of the present invention; Simultaneous test is used the ion beam coating equipment that sell with trade(brand)name TG-4 normally used Beijing Changcheng Ti-gold Company in present technology.
The sample that test is used is 304 stainless steel 8K mirror boards, size 20 * 20mm.
The method of using filtered cathode vacuum arc film device of the present invention to adopt the embodiment of the invention 1 to describe prepares described sample coatings (sample of the present invention).
The method of using above-mentioned prior art ion beam coating equipment to adopt this equipment specification manual to describe prepares described sample coatings (comparative sample).
The coating that adopts the inventive method and prior art to make is a titanium nitride.
Local 500 times of enlarged photographs of sample of the present invention and 2000 times of macrobeads are amplified and the measurement diameter is seen accompanying drawing 5 and 6 with the scanning electron microscope microscope.With the scanning electron microscope microscope local 500 times of enlarged photographs of comparative sample (accompanying drawing) and macrobead are amplified and measure diameter for 2000 times and see accompanying drawing 3 and 4.
Use scanning electron microscope microscope JSM-6510 to detect sample of the present invention (the sample 4-6 of table 1) and macrobead number and the macrobead size of comparative sample (the sample 1-3 of table 1) in unit surface, it the results are shown in table 1.
Table 1:304 stainless steel 8K mirror board coating analytical results:
Result by table 1 is clear that, uses filtered cathode vacuum arc film device of the present invention to prepare the minimizing 95% of the macrobead number of coating than prior art, and largest particle diameter diameter reduces 60%.
Therefore, use the arc evaporation source of ACTIVE CONTROL arc spot of the present invention and filtered cathode vacuum arc film device of the present invention can significantly reduce macrobead number in the coating, moreover, the largest particle diameter also reduces greatly, like this, use equipment of the present invention can improve 3 to 10 times of processing work work-ing lifes.For example High Speed Steel Bit there are not coating, prior art TiN coating, the contrast of this evaporation source TiN coating, processing punching total depth reaches 122mm, 744mm, 1232mm respectively.Therefore, use present device processing to reduce cost, enhance productivity, improve quality product.
Claims (5)
1. the arc evaporation source of an ACTIVE CONTROL arc spot, described arc evaporation source comprises target fixed link (2) and the target stand (5) that is used for fixing target (8), target fixed link (2) is in target stand (5) inner chamber, it is characterized in that target fixed link (2) radially is provided with little magnetic field pole axis (9) in both sides in target stand (5) inner chamber, at target stand (5) inner chamber medium and small magnetic field pole axis (9) radial outside one group of small coil (3) is set, small coil (3) radial outside is provided with water jacket (10) in target stand (5) inner chamber, little magnetic field pole axis (9) is fixed together with water jacket (10), away from a side and water jacket (10) radial outside of target (8) small coil pole shoe (12) is set at small coil (3), small coil pole shoe (12), little magnetic field pole axis (9) and small coil (3) form the small coil magnetic field of opening surface to target (8), at target stand (5) radial outside big coil (6) is set, the target end face is positioned at little field strength reach, and ensures that target end face horizontal magnetic field is greater than 50 Gausses.
2. arc evaporation source according to claim 1 is characterized in that described big coil (6) is to be made of the magnetic conductive metal bucket that is twining lead, and described magnetic conductive metal bucket two ends are provided with flange, and described flange is made of non-magnetizer.
3. arc evaporation source according to claim 1 and 2 is characterized in that when described arc evaporation source was worked, the central magnetic field polarity of small coil (3) and big coil (6) was opposite.
4. a filtered cathode vacuum arc equipment that has as arc evaporation source as described in each claim among the claim 1-3 is characterized in that this filtered cathode vacuum arc equipment comprises hanger (16), vacuum chamber (17), arc evaporation source (18) and the vacuum acquiring system (19) that is connected with described vacuum chamber (17).
5. filtered cathode vacuum arc equipment according to claim 4, it is characterized in that the flange sealing and fixing of described arc evaporation source by the flange and the described vacuum chamber (17) of big coil (6), the arc power positive pole connects described vacuum chamber (17), and the arc power negative pole connects target (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020520318XU CN201762437U (en) | 2010-09-08 | 2010-09-08 | Electric arc evaporation source for actively controlling arc spots and device using same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020520318XU CN201762437U (en) | 2010-09-08 | 2010-09-08 | Electric arc evaporation source for actively controlling arc spots and device using same |
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| Publication Number | Publication Date |
|---|---|
| CN201762437U true CN201762437U (en) | 2011-03-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201020520318XU Expired - Lifetime CN201762437U (en) | 2010-09-08 | 2010-09-08 | Electric arc evaporation source for actively controlling arc spots and device using same |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101928922A (en) * | 2010-09-08 | 2010-12-29 | 姜文 | Arc evaporation source actively controlling arc spot and equipment using same |
| CN107805786A (en) * | 2017-12-07 | 2018-03-16 | 北京泰科诺科技有限公司 | Multi sphere ion vacuum coating machine |
-
2010
- 2010-09-08 CN CN201020520318XU patent/CN201762437U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101928922A (en) * | 2010-09-08 | 2010-12-29 | 姜文 | Arc evaporation source actively controlling arc spot and equipment using same |
| CN107805786A (en) * | 2017-12-07 | 2018-03-16 | 北京泰科诺科技有限公司 | Multi sphere ion vacuum coating machine |
| CN107805786B (en) * | 2017-12-07 | 2023-12-08 | 北京泰科诺科技有限公司 | Multi-arc ion vacuum coating machine |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20110316 Effective date of abandoning: 20130227 |
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| RGAV | Abandon patent right to avoid regrant |