CN220289381U - Metal cover plate detection device for quartz crystal packaging - Google Patents
Metal cover plate detection device for quartz crystal packaging Download PDFInfo
- Publication number
- CN220289381U CN220289381U CN202321739838.3U CN202321739838U CN220289381U CN 220289381 U CN220289381 U CN 220289381U CN 202321739838 U CN202321739838 U CN 202321739838U CN 220289381 U CN220289381 U CN 220289381U
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- detection
- cover plate
- metal cover
- optical fiber
- positioning groove
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- 238000001514 detection method Methods 0.000 title claims abstract description 73
- 239000002184 metal Substances 0.000 title claims abstract description 58
- 239000013078 crystal Substances 0.000 title claims abstract description 15
- 239000010453 quartz Substances 0.000 title claims abstract description 15
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 title claims abstract description 15
- 238000004806 packaging method and process Methods 0.000 title claims abstract description 11
- 239000013307 optical fiber Substances 0.000 claims abstract description 29
- 238000010521 absorption reaction Methods 0.000 claims abstract description 19
- 230000003287 optical effect Effects 0.000 claims abstract description 5
- 239000000835 fiber Substances 0.000 claims description 10
- 238000005538 encapsulation Methods 0.000 claims description 6
- 239000000725 suspension Substances 0.000 claims description 2
- 239000006096 absorbing agent Substances 0.000 claims 2
- 239000004065 semiconductor Substances 0.000 abstract description 2
- 238000002310 reflectometry Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
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- Geophysics And Detection Of Objects (AREA)
Abstract
The utility model relates to the field of semiconductors, in particular to a metal cover plate detection device for quartz crystal packaging, which comprises a detection table, wherein the surface of the detection table is provided with a positioning groove for accommodating a metal cover plate, the width of the positioning groove corresponds to that of the metal cover plate, a detection optical fiber is suspended above the positioning groove along the vertical direction, a light beam emission port of the detection optical fiber faces to the direction of the metal cover plate, an absorption plate for absorbing light beams reflected by the metal cover plate and an optical fiber amplifier connected with the detection optical fiber and used for receiving optical signals are arranged on the detection table, and the absorption plate is a black plate arranged on two sides of the positioning groove. The utility model can rapidly detect the front and back surfaces of the metal cover plate.
Description
Technical Field
The utility model relates to the field of semiconductors, in particular to a metal cover plate detection device for quartz crystal packaging.
Background
The metal cover plate is also called as LID plate, is square, and is covered and sealed by the metal cover plate when the quartz crystal product is packaged. As shown in patent No. CN202111548243.5, the package structure includes a substrate, an electronic component, and a package cover (LID board) through which sealing packaging is achieved. After the production of the metal cover plate is finished, the metal cover plate needs to be uniformly stored in a storage bin, and the storage bin is uniformly filled with materials during packaging. Because the shape and the color of the front surface and the back surface of the metal cover plate are the same, only the reflectivity is different, and the front surface of the metal cover plate is required to be upward and the back surface is required to be downward during packaging, the quartz crystal product can work for a long time after the packaging is finished, and if the front surface and the back surface of the metal cover plate are reversed, the service life of the quartz crystal product can be greatly shortened.
In order to distinguish the front and back sides of the metal cover plate during packaging, the metal cover plate is usually required to be manually selected, the two sides of the metal cover plate are respectively illuminated under the amplification of the magnifier, the front and back sides of the cover plate are judged through the intensity of reflected light, the whole detection process is completely dependent on manual work, and the efficiency is extremely low, so that the problem needs to be solved.
Disclosure of Invention
In order to avoid and overcome the technical problems in the prior art, the utility model provides a metal cover plate detection device for quartz crystal encapsulation. The utility model can rapidly detect the front and back surfaces of the metal cover plate.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
the utility model provides a quartz crystal encapsulation is with metal apron detection device, including detecting the platform, detect the platform surface and seted up the constant head tank that is used for holding metal apron, the width of constant head tank corresponds with the width of metal apron, detect optic fibre along vertical direction suspension in the constant head tank top, and detect optic fibre's light beam emission mouth towards metal apron direction, be arranged on the detecting the platform and be used for absorbing the absorption board of metal apron reflection light beam and with detect the optic fibre amplifier that optic fibre is connected and is used for receiving the light signal, the absorption board is for arranging the black panel in the constant head tank both sides.
As a further scheme of the utility model: the detection optical fiber and the detection table are both installed on the basic platform, the sliding guide rail is installed on the basic platform along the length direction of the positioning groove, the detection table is in sliding fit with the sliding guide rail, and the projection of the detection optical fiber along the plumb direction is located on the sliding path of the sliding guide rail.
As still further aspects of the utility model: the detection device is characterized in that a detection seat is fixed on the basic platform, a micrometer adjusting seat which is adjusted to lift by a micrometer is arranged on the detection seat, cantilevers are arranged on the micrometer adjusting seat along the horizontal direction, and the detection optical fibers are clamped and fixed by the cantilevers.
As still further aspects of the utility model: the distance between the beam emitting port of the detection optical fiber and the bottom surface of the positioning groove is 48-87 mm.
As still further aspects of the utility model: the absorption plate is a rectangular plate, the length of the absorption plate is equal to that of the positioning groove, and the width of the positioning groove is not higher than one fifth of the width of the absorption plate.
Compared with the prior art, the utility model has the beneficial effects that:
1. according to the utility model, the positioning groove is formed in the detection table, so that the positioning groove corresponds to the width of the metal cover plate, the metal cover plate can be arranged in a straight line along the length direction of the positioning groove after the metal cover plate is taken out of the storage bin, the detection optical fiber emits detection light beams towards the metal cover plate, the detection light beams are emitted to be received by the optical fiber amplifier after passing through the surface of the metal cover plate, and the optical signals are amplified and converted into electric signals, so that the reflectivity of the surface of the metal cover plate is judged, and the condition that the metal cover plate is right side up or reverse side up at the moment can be directly determined, and the right side and the reverse side of the metal cover plate can be rapidly detected; and the black absorption plates are arranged on two sides of the positioning groove, so that useless light beams emitted by the detection light beams and light beams emitted by the metal cover plate can be absorbed, detection errors caused by the fact that the light beams are reflected by the metal cover plate again after being emitted for many times and then received by the optical fiber amplifier are avoided, and the detection accuracy is improved.
2. According to the utility model, the sliding guide rail is arranged on the basic platform, and the detection table is pushed along the sliding guide rail, so that each metal cover plate in the positioning groove sequentially passes through the position right below the detection optical fiber, and the detection is sequentially completed.
3. According to the utility model, the micrometer adjusting seat is arranged on the basic platform, so that the lifting of the detection optical fiber can be adjusted through the micrometer, and the beam emitting port of the detection optical fiber can be finely adjusted to the optimal height.
4. The reasonable arrangement of the width of the absorption plate maximizes the absorption efficiency of the unnecessary detection light beam.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
In the figure:
1. a base platform;
2. a detection seat; 21. a micrometer adjusting seat; 22. a cantilever;
23. detecting an optical fiber; 24. an optical fiber amplifier;
3. a sliding guide rail;
4. a detection table; 41. a positioning groove; 42. an absorption plate; 43. a metal cover plate.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1, in an embodiment of the utility model, a metal cover plate detection device for quartz crystal packaging includes a base platform 1, a sliding guide rail 3 is arranged on the base platform 1 along a length direction of the base platform, and a detection table 4 is arranged on the sliding guide rail 3 in a sliding manner. The detection table 4 is provided with a positioning groove 41 along the length direction of the sliding guide rail 3, and both the front end and the rear end of the positioning groove 41 are opened. The width of the positioning groove 41 corresponds to the width of the metal cover plates 43, so that a plurality of groups of metal cover plates 43 are sequentially arranged in the positioning groove 41 along the length direction of the groove.
The table top of the detection table 4 is rectangular, and absorption plates 42 are arranged on two sides of the positioning groove 41 on the table top of the detection table 4, and the length of the absorption plates 42 corresponds to the length of the positioning groove 41. The absorbing plate 42 is a dark plate, preferably a pure black plate, and is used for absorbing the light beam reflected by the metal cover plate 43, so as to prevent the light beam from irradiating the metal cover plate 43 again after multiple reflections, thereby affecting the detection accuracy. In order to maximize the absorption efficiency of the absorption plate 42, the width of the positioning groove 41 is not more than one fifth of the width of any one absorption plate 42.
The table top of the basic platform 1 is also fixed with a detection seat 2 staggered with the position of the detection table 4, the detection seat 2 is provided with a micrometer adjusting seat 21 in sliding fit with the detection seat 2 along the vertical direction, and the micrometer adjusting seat 21 controls the micrometer adjusting seat 21 to lift through a rotating micrometer. The above is only a preferred embodiment, and the actual dial adjusting seat 21 may be replaced by any lifting component such as a screw lifting seat or a hydraulic lifting seat.
Cantilever 22 is horizontally arranged on the base body of micrometer adjusting base 21, the arm end of cantilever 22 extends to the upper side of sliding guide rail 3, and the arm end of cantilever 22 is clamped and fixed with detection optical fiber 23. The detection fibers 23 are arranged in the vertical direction, and the light beam emission ports of the detection fibers 23 face the positioning grooves 41, so that detection light beams are emitted to the respective metal cover plates 43. The distance between the beam emission port of the detection fiber 23 and the bottom surface of the positioning groove 41 is 48 to 87mm, preferably 73mm.
The detection optical fiber 23 is connected with the optical fiber amplifier 24 fixed on the basic platform 1, after the detection light beam of the detection optical fiber 23 is reflected by the metal cover plate 43, the optical signal is amplified by the optical fiber amplifier 24 and converted into an electric signal, the electric signal is converted by equipment to obtain the reflectivity of the metal cover plate 43, the reflectivity of the front side and the back side of the metal cover plate 43 are different, and the front side and the back side of the metal cover plate 43 can be judged according to the reflectivity. The optical fiber amplifier 24 and the detection optical fiber 23 are of the prior art, and therefore the structure is not described in detail.
When the projection positions of the detection optical fiber 23 and the positioning groove 41 in the vertical direction are overlapped and the detection table 4 is pushed along the sliding guide rail 3, the metal cover plate 43 in the positioning groove 41 sequentially passes below the detection optical fiber 23, so that detection is completed.
The basic principles of the present application have been described above in connection with specific embodiments, however, it should be noted that the advantages, benefits, effects, etc. mentioned in the present application are merely examples and not limiting, and these advantages, benefits, effects, etc. are not to be considered as necessarily possessed by the various embodiments of the present application. Furthermore, the specific details disclosed herein are for purposes of illustration and understanding only, and are not intended to be limiting, as the application is not intended to be limited to the details disclosed herein as such.
The block diagrams of the devices, apparatuses, devices, systems referred to in this application are only illustrative examples and are not intended to require or imply that the connections, arrangements, configurations must be made in the manner shown in the block diagrams. As will be appreciated by one of skill in the art, the devices, apparatuses, devices, systems may be connected, arranged, configured in any manner. Words such as "including," "comprising," "having," and the like are words of openness and mean "including but not limited to," and are used interchangeably therewith. The terms "or" and "as used herein refer to and are used interchangeably with the term" and/or "unless the context clearly indicates otherwise. The term "such as" as used herein refers to, and is used interchangeably with, the phrase "such as, but not limited to.
Claims (5)
1. The utility model provides a quartz crystal is metal apron detection device for encapsulation, a serial communication port, including detecting platform (4), the constant head tank (41) that are used for holding metal apron (43) are offered on detecting platform (4) surface, the width of constant head tank (41) corresponds with the width of metal apron (43), detect optic fibre (23) along plumb direction suspension in constant head tank (41) top, and detect the light beam emission mouth of optic fibre (23) towards metal apron (43) direction, be arranged on detecting platform (4) and be used for absorbing absorber plate (42) of metal apron (43) reflection light beam and be connected and be used for receiving optical signal's optical amplifier (24) with detecting optic fibre (23), absorber plate (42) are for arranging the black panel in constant head tank (41) both sides.
2. The metal cover plate detection device for quartz crystal encapsulation according to claim 1, wherein the detection optical fiber (23) and the detection table (4) are both installed on the base platform (1), the sliding guide rail (3) is installed on the base platform (1) along the length direction of the positioning groove (41), the detection table (4) is in sliding fit with the sliding guide rail (3), and the projection of the detection optical fiber (23) along the vertical direction is located on the sliding path of the sliding guide rail (3).
3. The metal cover plate detection device for quartz crystal packaging according to claim 2, wherein a detection seat (2) is fixed on the base platform (1), a micrometer adjusting seat (21) which is adjusted to be lifted by a micrometer is arranged on the detection seat (2), a cantilever (22) is arranged on the micrometer adjusting seat (21) along the horizontal direction, and a detection optical fiber (23) is clamped and fixed by the cantilever (22).
4. The metal cover plate detection device for quartz crystal encapsulation according to any one of claims 1 to 3, wherein the distance between the light beam emission port of the detection optical fiber (23) and the bottom surface of the positioning groove (41) is 48 to 87mm.
5. A metal cover plate detection device for quartz crystal encapsulation according to any one of claims 1 to 3, wherein the absorption plate (42) is a rectangular plate, the length of the absorption plate (42) is equal to the length of the positioning groove (41), and the width of the positioning groove (41) is not more than one fifth of the width of the absorption plate (42).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321739838.3U CN220289381U (en) | 2023-07-03 | 2023-07-03 | Metal cover plate detection device for quartz crystal packaging |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321739838.3U CN220289381U (en) | 2023-07-03 | 2023-07-03 | Metal cover plate detection device for quartz crystal packaging |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220289381U true CN220289381U (en) | 2024-01-02 |
Family
ID=89337202
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321739838.3U Active CN220289381U (en) | 2023-07-03 | 2023-07-03 | Metal cover plate detection device for quartz crystal packaging |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220289381U (en) |
-
2023
- 2023-07-03 CN CN202321739838.3U patent/CN220289381U/en active Active
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