CN208795459U - A kind of test device of MCD - Google Patents
A kind of test device of MCD Download PDFInfo
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- CN208795459U CN208795459U CN201821181678.4U CN201821181678U CN208795459U CN 208795459 U CN208795459 U CN 208795459U CN 201821181678 U CN201821181678 U CN 201821181678U CN 208795459 U CN208795459 U CN 208795459U
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Abstract
The utility model relates to LED the field of test technology more particularly to a kind of test devices of MCD.Its drip irrigation device: pedestal and the spectroscope base A being installed on the pedestal and spectroscope base B including offering light well；Spectroscope base B offers the intercommunicating pore being connected to light well and is set to wavelength measurement hole of the intercommunicating pore far from light well one end, and the central axes in wavelength measurement hole are vertical with intercommunicating pore central axes；Wavelength measurement hole is connected with the wavelength measurement component for testing LED wavelength far from the end of intercommunicating pore；Spectroscope base A is offered to be connected to and the light intensity test hole of central axes and intercommunicating pore axis parallel with intercommunicating pore；Light intensity test hole is connected with far from the end of intercommunicating pore for testing the strong MCD test suite of LED light；Intercommunicating pore and light intensity test hole junction are equipped with the semi-transparent semi-reflecting lens at 45 ° with intercommunicating pore central axis, can carry out LED wavelength measurement and light intensity test simultaneously, save time and human cost.
Description
Technical field
The utility model relates to LED the field of test technology more particularly to a kind of test devices of MCD.
Background technique
In the optical parameter test of LED, medium wavelength and brightness are to need two key parameters to be tested, are had in terms of brightness
Two kinds need to test, MW(optical power), MCD." MCD ": the space density of luminous flux, the i.e. luminous flux of unit solid angle are hair
Luminous intensity is the amount for measuring light source luminescent power.
It is desirable to grasp the optical parameter of LED, existing test mode is all largely the independent survey for carrying out LED luminance
Examination and the independent test for carrying out LED wavelength, keep the optical parameter test process of LED excessively many and diverse, waste time and human resources.
Utility model content
In view of the deficienciess of the prior art, the purpose of this utility model one is to provide the test device of MCD a kind of, energy
Enough while LED wavelength measurement and light intensity test are carried out, is conducive to save time cost and cost of human resources.
The above-mentioned technical purpose one of the utility model has the technical scheme that the test of MCD a kind of
Device, which is characterized in that pedestal and the spectroscope base A being installed on the pedestal and spectroscope base including offering light well
B；Spectroscope base B offers the intercommunicating pore being connected to light well and is set to wavelength measurement of the intercommunicating pore far from light well one end
The central axes in hole, wavelength measurement hole are vertical with intercommunicating pore central axes；Wavelength measurement hole is connected with far from the end of intercommunicating pore and is used for
Test the wavelength measurement component of LED wavelength；Spectroscope base A is offered to be connected to and central axes and intercommunicating pore central axes are flat with intercommunicating pore
Capable light intensity test hole；Light intensity test hole is connected with far from the end of intercommunicating pore for testing the strong MCD test suite of LED light；
Intercommunicating pore and light intensity test hole junction are equipped with the semi-transparent semi-reflecting lens at 45 ° with intercommunicating pore central axis.
By using above-mentioned technical proposal, light source enters intercommunicating pore by light well and is irradiated to semi-transparent semi-reflecting lens, light source
Enter light intensity test hole after reaching semi-transparent semi-reflecting lens later half lit transmissive, light intensity is tested by MCD test suite；Another semi-gloss
Source enters wavelength measurement hole after reflection, passes through wavelength measurement module testing wavelength.It realizes and is testing the optical intensity density of LED
The wavelength that LED can be tested simultaneously, saves the step of testing respectively, tests the optical parameter of LED easy, improves detection effect
Rate, and be conducive to save time and cost of human resources, and apparatus structure is relatively easy, it is at low cost, convenient for promoting.
The utility model is further arranged to: the spectroscope base A and spectroscope base B includes the bearing surface mutually abutted
And mounting surface, the mounting surface indent are used to install the mounting surface of semi-transparent semi-reflecting lens, the mounting surface and intercommunicating pore central axis
At 45 °, bearing surface and mounting surface are acute angle.
By using above-mentioned technical proposal, tilt angle and the indent setting of mounting surface are beneficial to prevent light leakage, survey
Test result is more acurrate, is also more convenient for installing semi-transparent semi-reflecting lens, easy to operate, and the stability installed is also more preferable；Bearing surface and
Mounting surface is acute angle, is slid convenient for limitation spectroscope base A and spectroscope base B along mounting surface, and installation is more firm.
The utility model is further arranged to: the bearing surface and mounting surface are 45 °.
By using above-mentioned technical proposal, it is vertical with the pedestal plane contacted with spectroscope base A to realize bearing surface, more just
In installation.
The utility model is further arranged to: the semi-transparent semi-reflecting lens periphery is equipped with the second ring-like rubber seal.
By using above-mentioned technical proposal, better tightness, light is not easy to project, and test result is more accurate, semi-transparent
Half anti-border installation also more consolidates.
The utility model is further arranged to: decaying group is equipped between the wavelength measurement component and the spectroscope base B
Part；The damping assemblies include the barn door being installed between the wavelength measurement component and the spectroscope base B, the shading
Light tank is offered in plate surface, the light transmission groove bottom offers loophole, and the diameter of the loophole is less than the light transmission
The diameter of slot；Attenuator is equipped in light tank；The damping assemblies further include being installed on the spectroscope base B close to the light transmission
Optoelectronic switch on the side of slot.
By using above-mentioned technical proposal, attenuator realizes the decaying of light intensity, avoids the direct incident wavelength test of high-strength light
Component causes exploring block in wavelength measurement component impaired, and the diameter of loophole is less than the diameter of the light tank, convenient for decaying
The installation of piece.
The utility model is further arranged to: there are five the light tank is set, the institute of the attenuator gear for identification
It states there are three optoelectronic switch sets.
By using above-mentioned technical proposal, difference can be required according to attenuation degree, select suitable attenuator, the scope of application
It is wider.
The utility model is further arranged to: the wavelength measurement component includes being installed on the spectroscope base B far from institute
The attachment base on the side of spectroscope base A is stated, offers what central axis was overlapped with wavelength measurement hole central axis in attachment base
First through hole；Biconvex lens, the separate lenticular in first through hole are equipped with close to the one end the spectroscope base B in first through hole
Mirror one end is equipped with the spectrometer component being slidably connected in first through hole.
By using above-mentioned technical proposal, biconvex lens can be very good to converge the light from point light source, make test result
More accurate, the sliding of spectrometer component can preferably guarantee that luminous energy is gathered on the small fibre diameter of optical fiber, further
Keep test result more acurrate.
The utility model is further arranged to: the connection seating face is also provided with the sliding eye of connection first through hole；Institute
Stating spectrometer component includes that the locking member being slidably connected in sliding eye and the optical fiber being slidably connected in the first through hole are solid
Determine head, the optical fiber fixing head is threadedly coupled to realize that locking member drives the optical fiber fixing head logical first with the locking member
It slides or is fixed in first through hole in hole.
By using above-mentioned technical proposal, optical fiber fixing head is threadedly coupled with locking member, when locking member is slided along sliding eye
When, drive optical fiber fixing head to move along first through hole, to guarantee that luminous energy is gathered on the small fibre diameter of optical fiber；It adjusts
Locking member is screwed behind position, and it is free to slide can to limit optical fiber fixing head.Position can be continuously adjusted, it is more accurate to adjust, and
And structure is simple, and it is easy to operate, convenient for promoting.
The utility model is further arranged to: the mounting surface both ends are respectively connected with bearing surface, and spectroscope base A with it is described
Spectroscope base B passes through the fixed bearing surface mutually abutted of screw.
By using above-mentioned technical proposal, mounting surface both ends are respectively connected with bearing surface, and spectroscope base A and the spectroscope
The bearing surface that seat B is mutually abutted is fixed by screw, and installation is more firm, and more conducively the smooth test in later period, structure also compare
Simply, installation is simple, and cost is also relatively low.
In conclusion the utility model has the following beneficial effects:
First, light source enters intercommunicating pore by light well and is irradiated to semi-transparent semi-reflecting lens, after light source reaches semi-transparent semi-reflecting lens
Enter light intensity test hole after half lit transmissive, light intensity is tested by MCD test suite；The other half light source enters wave after reflection
Long instrument connection passes through wavelength measurement module testing wavelength.LED can be tested while testing the optical intensity density of LED by realizing
Wavelength, save the step of testing respectively, test the optical parameter of LED easy, improve detection efficiency, and be conducive to save
It makes an appointment and cost of human resources, and apparatus structure is relatively easy, it is at low cost, convenient for promoting.
Second, the sliding setting of attenuator, biconvex lens, spectrometer component is all conducive to keep test result more accurate.
Third, apparatus structure is relatively easy, and at low cost, convenient for promoting.
Detailed description of the invention
Fig. 1 is the overall structure diagram of the utility model embodiment；
Fig. 2 is the structural schematic diagram at another visual angle of the utility model embodiment；
Fig. 3 be Fig. 2 along the sectional view of A-A；
Fig. 4 is MCD test suite and wavelength measurement component assembling structure schematic diagram in the utility model embodiment.
Appended drawing reference: 1, pedestal；11, light well；
2, spectroscope base A；21, light intensity test hole；22, bearing surface；23, mounting surface；
3, spectroscope base B；31, intercommunicating pore；32, wavelength measurement hole；
4, MCD test suite；41, probe fixing seat；42, luminance detection device；43, the first ring-like rubber seal；44,
One counterbore；45, the first jack；
5, wavelength measurement component；51, attachment base；511, sliding eye；52, first through hole；53, biconvex lens；54, spectrometer
Component；541, locking member；542, optical fiber fixing head；55, the ring-like rubber seal of third；56, the second counterbore；57, the second jack；
6, semi-transparent semi-reflecting lens；61, the second ring-like rubber seal；
7, damping assemblies；71, barn door；711, light tank；712, loophole；713, the first washer；72, attenuator；73,
Optoelectronic switch mounting base；74, optoelectronic switch；75, M2 limited screw；76, the first round hole；
8, the first shackle member；
9, the second shackle member.
Specific embodiment
1-4 and embodiment with reference to the accompanying drawing, are described in detail the utility model.
A kind of test device of MCD, as shown in Figure 1, including pedestal 1 and the spectroscope base A2 being installed on the pedestal 1
With spectroscope base B3；Spectroscope base A2 is equipped with far from one end of pedestal 1 for testing the strong MCD test suite 4 of LED light, point
Light microscopic seat B3 is equipped with the wavelength measurement component 5 for testing LED wavelength far from one end of spectroscope base A2.
In conjunction with shown in Fig. 2 and Fig. 3, light well 11 is offered on pedestal 1, spectroscope base B3 is offered to be connected to light well 11
Intercommunicating pore 31 and be set to wavelength measurement hole 32 of the intercommunicating pore 31 far from 11 one end of light well, the central axes in wavelength measurement hole 32
It is vertical with 31 central axes of intercommunicating pore；Wavelength measurement component 5 is connected to end of the wavelength measurement hole 32 far from intercommunicating pore 31；Intercommunicating pore
31 diameter is less than the diameter of light well 11, and in the present embodiment, the diameter of intercommunicating pore 31 is substantially equal to the 1/ of 11 diameter of light well
2, the diameter in intercommunicating pore 31 and wavelength measurement hole 32 is essentially identical.
Spectroscope base A2 is offered to be connected to and the light intensity test of central axes and 31 axis parallel of intercommunicating pore with intercommunicating pore 31
Hole 21；MCD test suite 4 is connected to end of the light intensity test hole 21 far from intercommunicating pore 31；Intercommunicating pore 31 and light intensity test hole 21
Diameter it is essentially identical.
Intercommunicating pore 31 and 21 junction of light intensity test hole are equipped with the semi-transparent semi-reflecting lens at 45 ° with 31 central axis of intercommunicating pore
6。
Light source enters intercommunicating pore 31 by light well 11 and is irradiated to semi-transparent semi-reflecting lens 6, after light source reaches semi-transparent semi-reflecting lens 6
Enter light intensity test hole 21 after half lit transmissive, light intensity is tested by MCD test suite 4；The other half light source after reflection into
Enter wavelength measurement hole 32, passes through 5 test wavelength of wavelength measurement component.The setting of MCD test suite 4 and wavelength measurement component 5 is just
In the wavelength that can test LED while testing the optical intensity density of LED, the step of testing respectively is saved, the beche-de-mer without spike of LED is made
Number test is easy.
As shown in figure 3, spectroscope base A2 and spectroscope base B3 include the bearing surface 22 and mounting surface 23 mutually abutted, peace
23 indent of dress face is used to install the mounting surfaces 23 of semi-transparent semi-reflecting lens 6, can preferably fix the anti-border of semi-transparent version half, mounting surface 23 with
31 central axis of intercommunicating pore is at 45 °, and bearing surface 22 and mounting surface 23 are acute angle, convenient for limitation spectroscope base A2 and spectroscope base B3
It is slid along mounting surface 23, installation is more firm.Bearing surface 22 and mounting surface 23 are 45 ° in the present embodiment, realize bearing surface 22
It is vertical with the plane contacted with spectroscope base A2 of pedestal 1, it is more convenient for installing.23 both ends of mounting surface are respectively connected with bearing surface 22, and
Spectroscope base A2 is fixed by screw with the bearing surface 22 that the spectroscope base B3 two sections mutually abut, and is installed more steady
Gu the smooth test in more conducively later period.
6 periphery of semi-transparent semi-reflecting lens is equipped with the second ring-like rubber seal 61, better tightness, and light is not easy to project, and surveys
Test result is more accurate, and semi-transparent semi-reflecting border installation also more consolidates.
As shown in Figures 2 and 3, damping assemblies 7 are equipped between wavelength measurement component 5 and the spectroscope base B3；Decaying group
Part 7 includes the barn door 71 being installed between the wavelength measurement component 5 and the spectroscope base B3, is installed on the spectroscope
Seat B3 is plugged with photoelectricity in optoelectronic switch mounting base 73 close to the optoelectronic switch mounting base 73 on the side of the light tank 711
Switch 74；Light tank 711 is offered on 71 surface of barn door, 711 bottom surface of light tank offers loophole 712, the loophole
712 diameter is less than the diameter of the light tank 711；Attenuator 72 is installed, 72 periphery of attenuator is equipped in light tank 711
First washer 713, and the first washer 713 is arranged in light tank 711 limitation attenuator 72 and skids off light tank 711.The present embodiment
In, there are five light tank 711 is set, the attenuator 72 of differential declines degree is placed with respectively in five light tanks 711, for knowing
There are three the optoelectronic switch 74 of not described 72 gear of attenuator is set, different, mobile shading can be required according to attenuation degree
Suitable attenuator 72, is moved at wavelength measurement hole 32 decaying for carrying out light by plate 71, and the first washer 713 also makes light tank
Airtightness at 711 is more preferable.
Barn door 71 is opened up far from 711 one end of light tank there are five the first round hole 76, and optoelectronic switch 74 is inserted in shading
On plate 71, optoelectronic switch 74 is equipped with photoelectric sensor, when mobile shade 71 is moved along 73 direction of optoelectronic switch mounting base,
When photoelectric sensor on optoelectronic switch 74 is moved to the first round hole 76, photoelectric sensor is connected, and barn door 71 can be realized
On attenuator 72 gear identification.Cooperated by the first round hole 76 on optoelectronic switch 74 and barn door 71, realizes decaying
The gear of piece 72 identifies, thus associated with test product shelves.
The both ends of barn door 71 are equipped with M2 limited screw 75, are slipped away spectroscope base B3 with limiting anti-dazzling screen.
As shown in figure 3, wavelength measurement component 5 includes being installed on side of the spectroscope base B3 far from the spectroscope base A2
Attachment base 51 on face offers the first through hole that central axis is overlapped with 32 central axis of wavelength measurement hole in attachment base 51
52；It is equipped with biconvex lens 53 close to the one end spectroscope base B3 in first through hole 52,53 two sides of biconvex lens are enclosed equipped with third ring
Type rubber seal 55, for clamping biconvex lens 53, preferably fixed biconvex lens 53, is also conducive to protection biconvex lens 53 and exempts from
It is frayed.The spectrometer group being slidably connected in first through hole 52 is equipped in first through hole 52 far from described 53 one end of biconvex lens
Part 54.Illumination by attenuator 72 decay after reaches at biconvex lens 53 polymerize, after polymerization continue along first through hole 52 forward according to
It penetrates, is irradiated to spectrometer component 54, wavelength measurement is carried out to illumination by spectrometer component 54.
51 surface of attachment base is also provided with the sliding eye 511 of connection first through hole 52；Spectrometer component 54 includes that sliding connects
The locking member 541 being connected in sliding eye 511 and the optical fiber fixing head 542 being slidably connected in first through hole 52, optical fiber fixing head
542 are threadedly coupled with locking member 541, when locking member 541 is slided along sliding eye 511, drive optical fiber fixing head 542 logical along first
Hole 52 is mobile, to guarantee that luminous energy is gathered on the small fibre diameter of optical fiber；The tight locking member 541 of good position back spin is adjusted, it can
It is free to slide to limit optical fiber fixing head 542.
MCD test suite 4 includes probe fixing seat 41 and luminance detection device 42, and probe fixing seat 41 is installed on spectroscope
On seat A2 and surface of the spectroscope base B3 far from pedestal 1, luminance detection device 42 is connected in probe fixing seat 41, is convenient for LED light
The MCD test that LED is carried out at luminance detection device 42 is reached along light intensity test hole 21 after transmiting.The close light splitting of luminance detection device 42
The bottom surface of microscope base A2 and spectroscope base B3 is equipped with the first ring-like rubber seal 43, and better tightness, test result is more acurrate,
But also can prevent luminance detection device 42 from directly contacting with spectroscope base A2, spectroscope base B3, protection luminance detection device 42 exists
From abrasion when installation.
As shown in figure 4, the first shackle member 8 is equipped between MCD test suite 4 and spectroscope base A2, spectroscope base B3, first
Shackle member 8 is convenient for MCD test group for realizing the detachable assembly of MCD test suite 4 and spectroscope base A2, spectroscope base B3
Part 4 disassembles convenient transportation, saves transport space.
Fixing seat 41 of popping one's head in offers the first counterbore 44, and spectroscope base A2 far from four, the surface vertex of pedestal 1
The first jack 45 of corresponding counterbore, and the first jack 45 are offered close on the surface of probe fixing seat 41 with spectroscope base B3
Diameter less than the first counterbore 44 diameter.First shackle member 8 is to be inserted into the first bulb of the first counterbore 44 and the first jack 45
Plunger realizes the detachable assembly of MCD test suite 4 and spectroscope base A2, spectroscope base B3.
The second shackle member 9 is equipped between wavelength measurement component 5 and spectroscope base B3, the second shackle member 9 is for realizing wavelength
The detachable assembly of test suite 5 and spectroscope base B3, can be realized the disassembled for transport of wavelength measurement component 5, saves space.
The both ends on attachment base 51 close to two relative edge edge of the surface of spectroscope base B3 offer the second counterbore 56, spectroscope
The second jack 57 of corresponding second counterbore 56 is offered on the side of seat B3, and the diameter of the second jack 57 is less than the second counterbore 56
Diameter.Second shackle member 9 is to be inserted into the second bulb plunger of the second counterbore 56 and the second jack 57, to realize wavelength measurement group
The detachable assembly of part 5 and spectroscope base B3.
LED to be measured, is placed in 11 lower section of light well of pedestal 1 by testing procedure, and light source enters connection by light well 11
Hole 31 is simultaneously irradiated to semi-transparent semi-reflecting lens 6, and light source enters light intensity test hole 21 after reaching 6 later half lit transmissive of semi-transparent semi-reflecting lens,
Light intensity is tested by MCD test suite 4；The other half light source enters wavelength measurement hole 32 after reflection, passes through wavelength measurement component 5
Test wavelength.
According to the intensity for entering light, suitable anti-dazzling screen is selected, while the photoelectric sensor on optoelectronic switch 74 is mobile
When to the first round hole 76, photoelectric sensor is connected, and the gear identification of the attenuator 72 on barn door 71 is realized, thus with test
Product shelves are associated.
Along 511 slide-and-lock part 541 of sliding eye to drive optical fiber fixing head 542 to slide, optical fiber fixing head 542 is slided
The test of light wave can be carried out when being gathered in luminous energy on the small fibre diameter of optical fiber to optimum position.
Light intensity is recorded after test and wavelength data is analyzed.
The above is only the preferred embodiment of the utility model, and the protection scope of the utility model is not limited merely to
Above-described embodiment, technical solution belonging to the idea of the present invention belong to the protection scope of the utility model.It should refer to
Out, for those skilled in the art, it is without departing from the principle of the utility model it is several improvement and
Retouching, these improvements and modifications also should be regarded as the protection scope of the utility model.
Claims (9)
1. a kind of test device of MCD, which is characterized in that including offering the pedestal (1) of light well (11) and being installed on described
Spectroscope base A (2) and spectroscope base B (3) on pedestal (1)；Spectroscope base B (3) offers the company being connected to light well (11)
Through-hole (31) and the wavelength measurement hole (32) for being set to intercommunicating pore (31) separate light well (11) one end, wavelength measurement hole (32)
Central axes are vertical with intercommunicating pore (31) central axes；Wavelength measurement hole (32) is connected with far from the end of intercommunicating pore (31) for testing
The wavelength measurement component (5) of LED wavelength；Spectroscope base A (2) is offered to be connected to and central axes and intercommunicating pore with intercommunicating pore (31)
(31) the light intensity test hole (21) of axis parallel；Light intensity test hole (21) is connected with far from the end of intercommunicating pore (31) for surveying
Try the strong MCD test suite (4) of LED light；
Intercommunicating pore (31) and light intensity test hole (21) junction are equipped with and at 45 ° semi-transparent semi-reflecting of intercommunicating pore (31) central axis
Mirror (6).
2. the test device of MCD according to claim 1 a kind of, which is characterized in that the spectroscope base A (2) and light splitting
Microscope base B (3) includes the bearing surface (22) and mounting surface (23) mutually abutted, and mounting surface (23) indent is semi-transparent for installing
The mounting surface (23) of semi-reflective mirror (6), the mounting surface (23) and intercommunicating pore (31) central axis are at 45 °, bearing surface (22) and peace
Dress face (23) is acute angle.
3. the test device of MCD according to claim 2 a kind of, which is characterized in that the bearing surface (22) and mounting surface
It (23) is 45 °.
4. the test device of MCD according to claim 1 a kind of, which is characterized in that semi-transparent semi-reflecting lens (6) periphery is set
There is the second ring-like rubber seal (61).
5. the test device of MCD according to claim 1 a kind of, which is characterized in that the wavelength measurement component (5) and institute
It states and is equipped with damping assemblies (7) between spectroscope base B (3)；The damping assemblies (7) include being installed on the wavelength measurement component
(5) barn door (71) between the spectroscope base B (3) offers light tank (711) on barn door (71) surface,
Light tank (711) bottom surface offers loophole (712), and the diameter of the loophole (712) is less than the light tank (711)
Diameter；Attenuator (72) are equipped in light tank (711)；The damping assemblies (7) further include being installed on the spectroscope base B
(3) close to the optoelectronic switch (74) on the side of the light tank (711).
6. the test device of MCD according to claim 5 a kind of, which is characterized in that the light tank (711) is equipped with five
It is a, there are three the optoelectronic switch (74) of attenuator (72) gear is set for identification.
7. the test device of MCD according to claim 1 a kind of, which is characterized in that the wavelength measurement component (5) includes
The spectroscope base B (3) is installed on far from the attachment base (51) on the side of the spectroscope base A (2), attachment base (51) is interior to be opened
The first through hole (52) being overlapped equipped with central axis with wavelength measurement hole (32) central axis；
Biconvex lens (53) are equipped with close to described (3) one end spectroscope base B in first through hole (52), it is separate in first through hole (52)
Described biconvex lens (53) one end is equipped with the spectrometer component (54) being slidably connected in first through hole (52).
8. the test device of MCD according to claim 7 a kind of, which is characterized in that also open on attachment base (51) surface
Sliding eye (511) equipped with connection first through hole (52)；The spectrometer component (54) includes being slidably connected to sliding eye (511)
Interior locking member (541) and the optical fiber fixing head (542) being slidably connected in the first through hole (52), the optical fiber fixing head
(542) it is threadedly coupled with the locking member (541) to realize that locking member (541) drive the optical fiber fixing head (542) first
It slides or is fixed in first through hole (52) in through-hole (52).
9. the test device of MCD according to claim 2 a kind of, which is characterized in that mounting surface (23) both ends connect
It is connected to bearing surface (22), and spectroscope base A (2) passes through the fixed bearing surface mutually abutted of screw with the spectroscope base B (3)
(22)。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821181678.4U CN208795459U (en) | 2018-07-24 | 2018-07-24 | A kind of test device of MCD |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821181678.4U CN208795459U (en) | 2018-07-24 | 2018-07-24 | A kind of test device of MCD |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208795459U true CN208795459U (en) | 2019-04-26 |
Family
ID=66203224
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821181678.4U Active CN208795459U (en) | 2018-07-24 | 2018-07-24 | A kind of test device of MCD |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208795459U (en) |
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2018
- 2018-07-24 CN CN201821181678.4U patent/CN208795459U/en active Active
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Address after: Longgang District of Shenzhen City, Guangdong province 518172 city street in the center city City Industrial Park Road No. 3 building E Tefalongfei business building two floor Patentee after: Silicon electric semiconductor equipment (Shenzhen) Co., Ltd Address before: Longgang District of Shenzhen City, Guangdong province 518172 city street in the center city City Industrial Park Road No. 3 building E Tefalongfei business building two floor Patentee before: SHENZHEN SIDEA SEMICONDUCTOR EQUIPMENT Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |