CN207491136U - Glass cover-plate PGA package image sensor vibration test fixtures - Google Patents
Glass cover-plate PGA package image sensor vibration test fixtures Download PDFInfo
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- CN207491136U CN207491136U CN201721584076.9U CN201721584076U CN207491136U CN 207491136 U CN207491136 U CN 207491136U CN 201721584076 U CN201721584076 U CN 201721584076U CN 207491136 U CN207491136 U CN 207491136U
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Abstract
The utility model provides glass cover-plate PGA package image sensor vibration test fixtures, including fixture base and cover board；Fixture base is equipped with the first groove, the Back Word type groove for accommodating pga is coaxially provided in first groove floor, the step surface of first recessed side portions is equipped at least three first connecting holes, cover board is equipped with the second connecting hole corresponding thereto, and the first connecting hole and the second connecting hole are used for will be together with fixture base and cover board assembly and connection；When glass cover-plate PGA package image sensors are placed in the first groove, glass cover-plate PGA package image sensors can be clamped after fixture base is fixedly connected with cover board.Pga is placed in Back Word type groove, can play a very good protection to pga by vibration test fixture described in the utility model, and the utility model installation is simple; production efficiency is high, and reliability is high, at low cost; and so that test clamping is convenient, easy to operate, experiment is safe and reliable.
Description
Technical field
The utility model belongs to sensor technical field, is related to a kind of based on the big glass cover-plate PGA encapsulation of imaging sensor
Frequency sweep vibration test fixture, specially glass cover-plate PGA package images sensor vibration test fixture.
Background technology
According to GJB548B《Microelectronic component Test Methods And Procedures》2007 frequency sweep vibration test of method regulation, the frequency sweep
The purpose of vibration test is in the range of assigned frequency, to sensing device package lead, seals defective or damage sign, mark
Remember that the senser element of fuzzy etc. existing defects carries out vibration detection.When doing frequency sweep vibration test, must to senser element into
Row is reliable fixed, could be tested, and glass cover-plate and senser element pin cannot be caused to damage when fixed.For using
For the imaging sensor of big glass cover-plate PGA encapsulation, to not only reliably be fixed to senser element, not energy loss again
Hinder senser element, it is necessary to which designing and producing dedicated test fixture could complete to test.Through the machinery to domestic and international imaging sensor
Experiment carries out research access, and there is presently no the test fixture uses available for purchase of glass cover-plate PGA package image sensors.
According to patent information retrieval, there is presently no the frequency sweep vibration tests of big glass cover-plate PGA package image sensors
Fixture is applied for a patent.
Utility model content
For problems of the prior art, the utility model provides glass cover-plate PGA package images sensor with shaking
Dynamic test fixture disclosure satisfy that the special fixture that frequency sweep vibration experiment is carried out to big glass cover-plate PGA package images sensor, make
Frequency sweep vibration test can be carried out by obtaining big glass cover-plate PGA package images senser element, solve big glass cover-plate PGA package images
The frequency sweep vibration test problem of sensor, and save production cost.
The utility model is to be achieved through the following technical solutions：
Glass cover-plate PGA package image sensor vibration test fixtures, including fixture base and cover board；
Fixture base is equipped with the first groove, and length and width and the glass cover-plate PGA package images of the first groove sense
The length and width of device is in tolerance fit, the depth of the first groove no more than the thickness of glass cover-plate and ceramic package shell it
With；The Back Word type groove for accommodating pga, the inside edge ruler of Back Word type groove are coaxially provided in first groove floor
The very little inside edge size no more than pga, the depth of Back Word type groove are not less than pga height；
The step surface of first recessed side portions is equipped at least three first connecting holes, and cover board is equipped with the corresponding thereto
Two connecting holes, the first connecting hole and the second connecting hole are used for will be together with fixture base and cover board assembly and connection；
When glass cover-plate PGA package image sensors are placed in the first groove, fixture base is fixedly connected with cover board
After can clamp glass cover-plate PGA package image sensors.
Preferably, cover board is equipped with the second groove, and the length and width of the second groove encapsulates respectively with glass cover-plate PGA to be schemed
As the length and width of sensor is in tolerance fit, the sum of depth of the second groove and the first groove and glass cover-plate and ceramics envelope
The sum of thickness of tubulature shell is in tolerance fit.
Further, the second groove is set in two level stepped groove, includes first recess and second recess successively from inside to outside,
It is followed successively by level-one table top and two level table top from inside to outside；The length and width of first recess respectively with the length of glass cover-plate and width
For degree in tolerance fit, the depth of first recess and the thickness of glass cover-plate are in tolerance fit；The length and width of second recess
Respectively with the length and width of glass cover-plate PGA package image sensors in tolerance fit, the depth of second recess and first recessed
The thickness of the sum of depth of slot and ceramic package shell is in tolerance fit.
Preferably, the inside edge size of Back Word type groove and the inside edge size of pga are in tolerance fit, outside
In tolerance fit, the height of depth and pga is in tolerance fit for lateral edges size and the outer ledge size of pga.
Preferably, at least three are additionally provided on the step surface of the first recessed side portions for fixture base to be fixed on vibration
Mounting hole on testing equipment.
Further, cover board is equipped with and the corresponding through-hole of mounting hole.
Further, the through-hole on cover board is located on the outer ledge of cover board, semicircular in shape.
Further, the step surface quadrangle of the first recessed side portions and four side platform terrace centers are respectively equipped with the first connection
Hole, cover board are equipped with the second connecting hole corresponding thereto；Two are respectively equipped on two opposite step surfaces of first groove admittedly
Determine hole, cover board is equipped with semicircular through-hole corresponding thereto.Compared with prior art, the utility model has beneficial below
Technique effect：
Vibration test fixture described in the utility model, by the pin of glass cover-plate PGA package image sensors during use
Array is placed in the Back Word type groove in fixture base, then covers cover board, and fixture base is connected fixation with cover board, then will folder
Tool is in vibration experiment equipment, you can carries out vibration test to big glass cover-plate PGA package images senser element；By pressing from both sides
Have and Back Word type groove is designed on pedestal, pga is placed in Back Word type groove, good guarantor can be played to pga
Shield acts on, and pga will not be caused to damage when glass cover-plate PGA package image sensors are fixed.The utility model
Fixture is designed using rigid fixture, can be carried out frequency sweep vibration test to big glass cover-plate PGA package images senser element, also may be used
Using as mechanical shock test fixture, for the mechanical shock test of big glass cover-plate PGA package image senser elements.This practicality
Novel clamp installation is simple, and production efficiency is high, and reliability is high, at low cost, and so that test clamping is convenient, easy to operate, experiment
Securely and reliably.
Further, the second groove is designed on cover board, it is recessed by first on the second groove and fixture base on cover board
Slot clamps glass cover-plate PGA package image sensors jointly, clamps according to stabilization, avoids causing due to one of which scale error
Clamping loosen.
Further, the second groove is designed as two level stepped groove, and cover-plate glass is placed in first recess, ceramic package pipe
Shell is placed in second recess, it can be achieved that multistage position-limiting action, and can be with effective protection glass cover-plate.
Further, the design of cover board upper half circular fixation hole is exposed the mounting hole in fixture base, Ke Yifang
Just fixture base is fixed in vibration experiment equipment.
Description of the drawings
Fig. 1 is the dimensional structure diagram of fixture base described in the utility model.
Fig. 2 is the bottom plane schematic diagram of cover board described in the utility model.
Fig. 3 is the schematic diagram of glass cover-plate PGA package image sensors described in the utility model.
Fig. 4 is the schematic diagram after the completion of fixture base described in the utility model and cover board assembling.
Fig. 5 places feelings for glass cover-plate PGA package images sensor internal after the completion of fixture described in the utility model assembling
Condition sectional view.
In figure：1 is level-one table top, and 2 be two level table top, and 3 be three-level table top, and 4 be cover board, and 5 be fixture base, and 6 be connection
Hole, 7 be mounting hole, and 8 be glass cover-plate PGA package image sensors, and 9 be screw, and 10 be ceramic package shell, and 11 be pin battle array
Row, 12 be cover-plate glass.
Specific embodiment
The following describes the utility model in further detail with reference to the accompanying drawings, it is described be the explanation to the utility model and
It is not to limit.
The utility model devises a kind of glass cover-plate PGA package images sensor vibration test fixture, including fixture
Pedestal 5 and cover board 4.8 entirety of glass cover-plate PGA package images sensor can be put as shown in Figure 1, fixture base 5 is designed with
Put the first groove inside, the length and width of the first groove and the length and width of glass cover-plate PGA package images sensor 8
Degree is in tolerance fit；The Back Word type groove for accommodating pga 11, Back Word type groove are coaxially provided in first groove floor
With pga 11 in tolerance fit, specifically, Back Word type groove inside edge size and the inside edge ruler of pga 11
It is very little in tolerance fit, the outer ledge size of Back Word type groove outer ledge size and pga 11 is in tolerance fit, Back Word
The depth of type groove is in tolerance fit with the height of pga 11.
As shown in Fig. 2, cover board 4 is designed as the structure with three-level table top, the center portion thereof is divided into the second groove, the second groove
It is set in two level stepped groove, includes first recess and second recess successively from inside to outside, the bottom surface of first recess is level-one table top
1, the bottom surface of second recess is two level table top 2, and the table top of second recess side is three-level table top 3.The length and width of first recess
Degree is respectively with the length and width of glass cover-plate 12 in tolerance fit, and the depth of first recess is with the thickness of glass cover-plate 12 in public affairs
Difference cooperation, for accommodating and fixing glass cover-plate 12；The length and width of second recess respectively with glass cover-plate PGA package images
The length and width of sensor 8 is in the sum of tolerance fit, the depth of the depth of second recess and the first groove and ceramic package pipe
The thickness of shell is in tolerance fit, and after assembling, the space that second recess and the first groove are formed is used to accommodate and fix ceramic package
Shell 10, second recess and the first groove limit jointly for ceramic package shell 10, relatively reliable.
As shown in Fig. 1,2 and 4, fixture base 5 is equipped with a side end face of the first groove as rectangle, on four angles and four
The center on a side is respectively equipped with the first connecting hole 61, i.e. eight the first connecting holes 61, and cover board 4 is equipped with eight corresponding thereto
Second connecting hole 62, connecting hole is screw hole in this example, and when assembling is used by the first connecting hole 61 and the second connecting hole 62
Screw 9 gets up fixture base 5 and 4 assembly and connection of cover board.Be respectively equipped on two opposite sides of fixture base 5 two for will
Fixture base 5 is fixed on the mounting hole 7 on vibration rig, and mounting hole 7 is screw hole in this example, for convenience with special
Fixture base 5 is fixed in vibration experiment equipment by screw, and corresponding semicircular through-hole, through-hole inside are designed on cover board 4
Non-threaded, effect are that the mounting hole 7 in the fixture base 5 after assembling is exposed.
The application method of glass cover-plate PGA package images sensor vibration test fixture described in the utility model is：
Glass cover-plate PGA package images sensor 8 as shown in Figure 3 is put into the first groove of fixture base 5, pin
Downward, pga 11 is placed in Back Word type groove；
Glass cover-plate PGA package images sensor 8 is covered with cover board 4, tightens eight screws, by fixture base 5 and lid
Plate 4 assembles, as shown in figure 4, entire fixture is used professional spiral shell by four mounting holes 7 in fixture base 5 again later
Silk is fixed in vibration experiment equipment.
As shown in figure 5, after being completed, fixture inner case is：Pga 11 is located in Back Word type groove, Back Word type
Groove center boss face is contacted with the centre of ceramic package shell 10；Ceramic package shell 10 is located at the first groove and two level
In the space that groove is formed, the side surface of ceramic package shell 10 is contacted with the side surface of the first groove and second recess；Glass
Cover board 12 is located in first recess, and surface is contacted with three-level table top 3；It is sensed so as to fulfill to glass cover-plate PGA package images
The limiting of 8 each dimension of device is realized and is clamped.
Claims (8)
1. glass cover-plate PGA package image sensor vibration test fixtures, which is characterized in that including fixture base (5) and lid
Plate (4)；
Fixture base (5) is equipped with the first groove, length and width and the glass cover-plate PGA package image sensors of the first groove
(8) length and width is in tolerance fit, and the depth of the first groove is not more than glass cover-plate (12) and ceramic package shell (10)
The sum of thickness；The Back Word type groove for accommodating pga (11), Back Word type groove are coaxially provided in first groove floor
Inside edge size be not more than the inside edge size of pga (11), the depth of Back Word type groove is not less than pga
(11) height；
The step surface of first recessed side portions is equipped at least three first connecting holes (61), and cover board (4) is equipped with corresponding thereto
The second connecting hole (62), the first connecting hole (61) and the second connecting hole (62) are for by fixture base (5) and cover board (4) assembling
It links together；
It is when glass cover-plate PGA package images sensor (8) is placed in the first groove, fixture base (5) and cover board (4) is fixed
Glass cover-plate PGA package images sensor (8) can be clamped after connection.
2. glass cover-plate PGA package images sensor vibration test fixture according to claim 1, which is characterized in that
Cover board (4) is equipped with the second groove, the length and width of the second groove respectively with glass cover-plate PGA package images sensor (8)
Length and width in tolerance fit, the sum of depth of the second groove and the first groove and glass cover-plate (12) and ceramic package pipe
The sum of thickness of shell (10) is in tolerance fit.
3. glass cover-plate PGA package images sensor vibration test fixture according to claim 2, which is characterized in that
Second groove is set in two level stepped groove, is included first recess and second recess successively from inside to outside, is followed successively by one from inside to outside
Grade table top (1) and two level table top (2)；The length and width of first recess is respectively with the length and width of glass cover-plate (12) in public affairs
Difference cooperation, the depth of first recess are in tolerance fit with the thickness of glass cover-plate (12)；The length and width of second recess point
With the length and width of glass cover-plate PGA package images sensor (8) in tolerance fit, the depth of second recess and first recessed
The thickness of the sum of depth of slot and ceramic package shell (10) is in tolerance fit.
4. glass cover-plate PGA package images sensor vibration test fixture according to claim 1, which is characterized in that
The inside edge size of Back Word type groove and the inside edge size of pga (11) in tolerance fit, outer ledge size with
The outer ledge size of pga (11) is in tolerance fit, and the height of depth and pga (11) is in tolerance fit.
5. glass cover-plate PGA package images sensor vibration test fixture according to claim 1, which is characterized in that
At least three are additionally provided on the step surface of first recessed side portions for fixture base (5) to be fixed on vibration rig
Mounting hole (7).
6. glass cover-plate PGA package images sensor vibration test fixture according to claim 5, which is characterized in that
Cover board (4) is equipped with and mounting hole (7) corresponding through-hole.
7. glass cover-plate PGA package images sensor vibration test fixture according to claim 6, which is characterized in that
Through-hole on cover board (4) is located on the outer ledge of cover board (4), semicircular in shape.
8. glass cover-plate PGA package images sensor vibration test fixture according to claim 7, which is characterized in that
The step surface quadrangle of first recessed side portions and four side platform terrace centers are respectively equipped with the first connecting hole (61), and cover board (4) is equipped with
The second connecting hole (62) corresponding thereto；Two mounting holes (7) are respectively equipped on two opposite step surfaces of first groove, are covered
Plate (4) is equipped with semicircular through-hole corresponding thereto.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721584076.9U CN207491136U (en) | 2017-11-23 | 2017-11-23 | Glass cover-plate PGA package image sensor vibration test fixtures |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721584076.9U CN207491136U (en) | 2017-11-23 | 2017-11-23 | Glass cover-plate PGA package image sensor vibration test fixtures |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207491136U true CN207491136U (en) | 2018-06-12 |
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ID=62473459
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721584076.9U Active CN207491136U (en) | 2017-11-23 | 2017-11-23 | Glass cover-plate PGA package image sensor vibration test fixtures |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207491136U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109531478A (en) * | 2018-11-13 | 2019-03-29 | 无锡中微高科电子有限公司 | A kind of assembling fixture for ceramic package device and assembling equipment |
| CN111707929A (en) * | 2020-06-29 | 2020-09-25 | 深圳赛西信息技术有限公司 | PGA packaging microwave test fixture |
-
2017
- 2017-11-23 CN CN201721584076.9U patent/CN207491136U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109531478A (en) * | 2018-11-13 | 2019-03-29 | 无锡中微高科电子有限公司 | A kind of assembling fixture for ceramic package device and assembling equipment |
| CN111707929A (en) * | 2020-06-29 | 2020-09-25 | 深圳赛西信息技术有限公司 | PGA packaging microwave test fixture |
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