CN214115349U - Chip glass packaging clamp - Google Patents
Chip glass packaging clamp Download PDFInfo
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- CN214115349U CN214115349U CN202023308040.2U CN202023308040U CN214115349U CN 214115349 U CN214115349 U CN 214115349U CN 202023308040 U CN202023308040 U CN 202023308040U CN 214115349 U CN214115349 U CN 214115349U
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- plate
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- chip glass
- boss
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Abstract
The utility model relates to a chip glass encapsulates anchor clamps, it includes: the upper surface of the bottom plate is provided with a boss, and the lower surface of the bottom plate is provided with a threaded hole communicated with the boss cavity; the fixing plate is detachably connected with the upper surface of the boss; the upper surface of the base block is provided with a bearing platform, and the bearing platform is provided with a bearing groove for accommodating two pieces of stacked chip glass to be welded; the supporting piece is in threaded connection with the threaded hole and is used for abutting against the lower surface of the base block; the limiting plate is used for limiting the position of the bearing platform; the cover plate is accommodated in the mounting groove, and an observation hole corresponding to the position of the opening is formed in the cover plate; and the observation window is arranged in the observation hole, and the lower surface of the observation window is in contact with one of the two pieces of chip glass to be welded, which is positioned above the observation window.
Description
Technical Field
The utility model relates to a chip package field especially relates to a chip glass encapsulates anchor clamps.
Background
The glass has the advantages of being not easy to corrode or spontaneously degrade, long in service life, free of interference of electromagnetic waves, beneficial to the penetration of the electromagnetic waves through glass-packaged elements and the like, and therefore, the glass can be used as an excellent material for packaging chips such as microelectronics, solar cells, Organic Light Emitting Diodes (OLEDs), microsensors, converters, photoelectronic devices and the like.
At present, two glass materials which are jointed are welded through laser to complete the chip glass packaging process, but the problem that the welding joint surface is not tightly jointed, so that plasma ablation is generated at the contact surface to influence the welding strength and the welding quality, and the quality of a finished product is not high generally exists.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a chip glass encapsulates anchor clamps, it can effectively eliminate by the air gap of welding glass binding face department to guarantee in close contact with between two kinds of glass materials, thereby restriction plasma produces, guarantees the welding encapsulation quality.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a chip glass encapsulation fixture, comprising:
the upper surface of the bottom plate is provided with a boss, and a boss cavity is formed inside the boss; the lower surface of the bottom plate is provided with a threaded hole communicated with the boss cavity;
the fixing plate is detachably connected with the upper surface of the boss and provided with a fixing plate cavity communicated with the boss cavity, and the upper surface of the fixing plate is provided with an installation groove;
the base block is accommodated in the cavity of the fixing plate, a bearing platform is formed on the upper surface of the base block, and a bearing groove for accommodating two pieces of stacked chip glass to be welded is formed in the bearing platform;
the supporting piece is in threaded connection with the threaded hole, and the top end of the supporting piece extends out of the threaded hole and is used for abutting against the lower surface of the base block;
the lower surface of the limiting plate is provided with a bearing platform accommodating cavity for accommodating the bearing platform, and the upper surface of the limiting plate is provided with an opening corresponding to the position of the bearing platform;
the cover plate is accommodated in the mounting groove, and an observation hole corresponding to the position of the opening is formed in the cover plate;
and the observation window is arranged in the observation hole, and the lower surface of the observation window is in contact with one of the two pieces of chip glass to be welded, which is positioned above the observation window.
Preferably, the support is a spring loaded plunger.
Preferably, the load of the spring plunger is between 6.0 and 15.0N.
Preferably, the limiting plate is entirely accommodated in the cavity of the fixing plate.
Preferably, the observation window is made of K9 quartz glass, and the glass surface type is better than 1/20 wavelengths.
Preferably, the chip glass package clamp further includes: the circumferential limiting opening is formed on the inner wall surface of the cavity of the fixing plate;
and the circumferential limiting part is connected to the outer wall surface of the limiting plate and is matched with the circumferential limiting port, so that the limiting plate is prevented from rotating through the matching of the circumferential limiting port and the circumferential limiting part.
Preferably, the circumferential stopper includes: the mounting shaft is connected with the outer wall surface of the limiting plate; and the circumferential limiting block piece is sleeved on the mounting shaft and is matched with the circumferential limiting port in shape.
Preferably, the chip glass package clamp further includes: the lateral limiting port is formed in the limiting plate, is positioned on the side part of the opening and is communicated with the opening; and the lateral limiting block is accommodated in the lateral limiting opening.
Preferably, the fixing plate is detachably connected with the upper surface of the boss, the limiting plate is detachably connected with the base block, and/or the cover plate is detachably connected with the fixing plate.
Preferably, one or more of the bottom plate, the fixing plate, the limiting plate and the cover plate is/are made of heat conducting materials.
The utility model discloses possess following beneficial effect at least:
the utility model discloses a screw/unscrew and come the load size of evenly adjusting support piece to this adjusts the cushion cap and treats the pressure that two welded chip glass applyed, makes two chip glass contact inseparable, and the air gap between contact surface between the two disappears, thereby avoids the too big and production plasma escape and to the ablation on chip glass surface when leading to the welding in clearance between two chip glass, with this improvement welding encapsulation quality and welding strength.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without any creative effort.
FIG. 1 is an exploded view of the chip glass package clamp of the present invention;
FIG. 2 is a cross-sectional view of the chip glass package clamp of the present invention;
fig. 3 is a schematic structural view of the base block and the limiting plate of the present invention;
fig. 4 is a schematic structural diagram of the fixing plate of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Example 1:
as shown in fig. 1 to 4, the present embodiment provides a chip glass encapsulation jig, which includes:
a base plate 1, wherein a boss 110 is formed on the upper surface of the base plate, and a boss cavity 111 is formed inside the boss 110; meanwhile, the lower surface of the bottom plate 1 is provided with threaded holes 112 communicated with the boss cavity 111, and preferably, a plurality of mounting holes 112 are arranged;
a fixing plate 2 detachably coupled to an upper surface of the boss 110 of the base plate 1 by a first fastening member 23 (e.g., a fastening bolt, etc.), the fixing plate 2 having a fixing plate cavity 21 communicating with the boss cavity 111; meanwhile, the upper surface of the fixing plate 2 is provided with a mounting groove 22;
the base block 3 is accommodated in the fixed plate cavity 21, a bearing platform 31 is formed on the upper surface of the base block 3, and a bearing groove 311 for accommodating the two superposed chip glasses 6 and 7 to be welded is formed in the bearing platform 31;
a support member 4, which is screwed with the threaded hole 112, and the top end of which extends out of the threaded hole 112, and is used for abutting against the lower surface of the base block 3, so as to support the base block 3; in this embodiment, the support members 4 are resin convex pin type spring plungers, the number of the support members is 5, the support members are arranged according to a quincunx shape, namely, the number of the support members is 1 in the middle, the number of the support members is 4 in the periphery, and the distances between every two adjacent spring plungers are equal, so that uniform stress is ensured, and meanwhile, the load of each spring plunger is 6.0-15.0N;
the lower surface of the limiting plate 5 is provided with a bearing platform accommodating cavity 51 for accommodating the bearing platform 31, the upper surface of the limiting plate 5 is provided with an opening 52 corresponding to the position of the bearing platform 31, and the limiting plate 5 is used for limiting the position of the bearing platform 31; meanwhile, the limiting plate 5 is detachably connected with the base block 3 through a second fastening piece 8 (such as a fastening bolt), and the base block 3, the fixing plate cavity 21 and the limiting plate 5 are coaxially arranged; in this embodiment, the limiting plate 5 is entirely accommodated in the cavity 21 of the fixing plate;
a cover plate 9 received in the mounting groove 22 and detachably coupled to the fixing plate 2 by a third fastening member 10 (e.g., a fastening bolt, etc.); the cover plate 9 is provided with an observation hole 91 corresponding to the position of the open hole 52;
and an observation window 11 which can be mounted in the observation hole 91 by means of optical silica gel bonding or the like, and the lower surface of which is in contact with the upper one of the two chip glasses 6 and 7 to be welded, in the present embodiment, the observation window 11 is made of a transparent material which includes K9 quartz glass, and the surface type of the glass is better than 1/20 wavelengths, so that the two chip glasses 6 and 7 to be welded accommodated in the bearing groove 311 of the bearing platform 31 can be observed through the observation window 11.
When the clamp is used, the observation window 11 is firstly installed in the observation hole 91 of the cover plate 9 for standby, then the fixing plate 2 is connected with the boss 110 of the base plate 1 through the first fastening piece 23, then the 5 supporting pieces 4 are screwed into the threaded holes 112, approximately the same screwing depth is kept through visual inspection, then the base block 3 and the limiting plate 5 are sequentially installed in the cavity 21 of the fixing plate, the approximately centering of the two pieces of chip glass 6 and 7 to be welded is guaranteed through the limiting plate 5, then the two pieces of chip glass 6 and 7 to be welded are stacked and installed in the bearing groove 311, and finally the cover plate 9 is connected with the fixing plate 2 through the third fastening piece 10, so that the clamp is assembled.
After the clamp is assembled, the load of the 5 supporting pieces 4 is uniformly adjusted by screwing/unscrewing, so that the pressure applied by the bearing platform 31 to the two chip glasses 6 and 7 to be welded is adjusted, and meanwhile, the observation is carried out through the observation window 11, when the color interference fringes between the two chip glasses 6 and 7 to be welded disappear, namely, the pressure applied by the 5 supporting pieces 4 to the two chip glasses 6 and 7 is enough, the two chip glasses 6 and 7 are in tight contact, an air gap between the contact surfaces of the two chip glasses disappears, further, when the laser welding is carried out on the laser welding device, the generation of plasma can be limited within an effective focal depth range, so that the phenomenon that the plasma escapes and the surface of the chip glass is ablated due to the fact that the gap between the two chip glasses 6 and 7 is too large is avoided, and the welding and packaging quality is improved.
Example 2:
the present embodiment is different from embodiment 1 only in that the chip glass package jig further includes:
a circumferential limit port 211 opened on an inner wall surface of the fixed plate cavity 21;
the circumferential limiting piece 53 is connected to the outer wall surface of the limiting plate 5 and is matched with the circumferential limiting opening 211, so that the limiting plate 5 is prevented from rotating through the matching of the circumferential limiting opening 211 and the circumferential limiting piece 53, and the position of the bearing platform 31 is further limited through the limiting plate 5 with a fixed position; in this embodiment, the circumferential position limiting member 53 includes: a mounting shaft 531 connected to an outer wall surface of the limit plate 5; and a circumferential limit block 53, which is sleeved on the mounting shaft 531 and has a shape matching with the circumferential limit port 211.
Example 3:
the present embodiment is different from embodiment 1 only in that the chip glass package jig further includes:
a lateral limiting port 54 which is arranged on the limiting plate 5, is positioned at the side of the opening 52 and is communicated with the opening 52;
and a lateral limiting block 55 accommodated in the lateral limiting opening 54.
When the height of the two pieces of chip glass 6 and 7 to be welded stacked in the bearing groove 311 is greater than the depth of the bearing groove 311, and a part of the stacked chip glass is exposed from the opening at the upper part of the bearing groove 311, if the whole clamp is inclined, the chip glass may fall out of the bearing groove 311, and after the lateral limiting opening 54 and the lateral limiting block 55 are arranged, if the whole clamp is inclined, the chip glass may be blocked by the lateral limiting block 55 and still located in the bearing groove 311.
Example 4:
the present embodiment is different from embodiment 1, 2 or 3 only in that one or more of the bottom plate 1, the fixing plate 2, the limiting plate 5 and the cover plate 9 are made of a heat conductive material (e.g., metal such as brass) to improve heat dissipation efficiency during soldering and packaging.
To sum up, the utility model discloses a screw/unscrew and come the load size of evenly adjusting support piece to this adjusts the cushion cap and treats the pressure that two welded chip glass applyed, makes two chip glass contact inseparable, and air gap between the contact surface between the two disappears, and is further, when carrying out subsequent laser welding to it, in the within range of effective dark burnt, it can restrict plasma and produce, thereby avoids the clearance between two chip glass too big and lead to plasma escape and to the ablation on chip glass surface, with this improvement welding encapsulation quality and welding strength.
It should be noted that the technical features of the above embodiments 1 to 4 can be arbitrarily combined, and the technical solutions obtained by combining the technical features belong to the scope of the present application.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the principles of the present invention may be applied to any other embodiment without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. A chip glass package clamp, comprising:
the upper surface of the bottom plate is provided with a boss, and a boss cavity is formed inside the boss; the lower surface of the bottom plate is provided with a threaded hole communicated with the boss cavity;
the fixing plate is connected with the upper surface of the boss and provided with a fixing plate cavity communicated with the boss cavity, and the upper surface of the fixing plate is provided with an installation groove;
the base block is accommodated in the cavity of the fixing plate, a bearing platform is formed on the upper surface of the base block, and a bearing groove for accommodating two pieces of stacked chip glass to be welded is formed in the bearing platform;
the supporting piece is in threaded connection with the threaded hole, and the top end of the supporting piece extends out of the threaded hole and is used for abutting against the lower surface of the base block;
the lower surface of the limiting plate is provided with a bearing platform accommodating cavity for accommodating the bearing platform, and the upper surface of the limiting plate is provided with an opening corresponding to the position of the bearing platform;
the cover plate is accommodated in the mounting groove, and an observation hole corresponding to the position of the opening is formed in the cover plate;
and the observation window is arranged in the observation hole, and the lower surface of the observation window is in contact with one of the two pieces of chip glass to be welded, which is positioned above the observation window.
2. The chip glass package holder of claim 1, wherein the support is a spring plunger.
3. The chip glass package holder of claim 2, wherein the spring plunger load is between 6.0-15.0N.
4. The chip glass package clamp of claim 1, wherein the limiting plates are all received in a cavity of the mounting plate.
5. The chip glass package holder of claim 1, wherein the viewing window is made of K9 quartz glass and has a glass profile better than 1/20 wavelengths.
6. The chip glass package holder of claim 1, wherein the chip glass package holder further comprises: the circumferential limiting opening is formed on the inner wall surface of the cavity of the fixing plate;
and the circumferential limiting part is connected to the outer wall surface of the limiting plate and is matched with the circumferential limiting port, so that the limiting plate is prevented from rotating through the matching of the circumferential limiting port and the circumferential limiting part.
7. The chip glass package holder of claim 6, wherein the circumferential stop comprises: the mounting shaft is connected with the outer wall surface of the limiting plate; and the circumferential limiting block piece is sleeved on the mounting shaft and is matched with the circumferential limiting port in shape.
8. The chip glass package holder of claim 1, wherein the chip glass package holder further comprises: the lateral limiting port is formed in the limiting plate, is positioned on the side part of the opening and is communicated with the opening; and the lateral limiting block is accommodated in the lateral limiting opening.
9. The chip glass package clamp of claim 1, wherein the fixing plate is detachably connected to the upper surface of the boss, and/or the limiting plate is detachably connected to the base block, and/or the cover plate is detachably connected to the fixing plate.
10. The chip glass package clamp of any one of claims 1-9, wherein one or more of the base plate, the securing plate, the limiting plate, and the cover plate are made of a thermally conductive material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023308040.2U CN214115349U (en) | 2020-12-31 | 2020-12-31 | Chip glass packaging clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023308040.2U CN214115349U (en) | 2020-12-31 | 2020-12-31 | Chip glass packaging clamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214115349U true CN214115349U (en) | 2021-09-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023308040.2U Active CN214115349U (en) | 2020-12-31 | 2020-12-31 | Chip glass packaging clamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214115349U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112851099A (en) * | 2020-12-31 | 2021-05-28 | 武汉华工激光工程有限责任公司 | Chip glass packaging clamp |
-
2020
- 2020-12-31 CN CN202023308040.2U patent/CN214115349U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112851099A (en) * | 2020-12-31 | 2021-05-28 | 武汉华工激光工程有限责任公司 | Chip glass packaging clamp |
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