CN109539957A - The crisp disk of mark with a scale and the detection method of FPC slab warping - Google Patents
The crisp disk of mark with a scale and the detection method of FPC slab warping Download PDFInfo
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- CN109539957A CN109539957A CN201811354764.5A CN201811354764A CN109539957A CN 109539957 A CN109539957 A CN 109539957A CN 201811354764 A CN201811354764 A CN 201811354764A CN 109539957 A CN109539957 A CN 109539957A
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- Prior art keywords
- disk
- crisp
- scale
- crisp disk
- warpage
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/30—Measuring arrangements characterised by the use of mechanical techniques for measuring the deformation in a solid, e.g. mechanical strain gauge
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Abstract
The invention belongs to circuit board detecting fields, and in particular to a kind of crisp disk of mark with a scale, comprising: crisp disk disk body, store position-limiting unit, storing position-limiting unit is indent in the groove structure of crisp disk disk body, and storing position-limiting unit includes vallecular cavity, and the warpage scale marker on vallecular cavity wall.Method of the present invention also for having opened the crisp disk detection FPC slab warping using mark with a scale.A kind of crisp disk of mark with a scale provided by the present invention, it is whether qualified for detecting FPC slab warping, it does not need product to be taken out crisp disk detection, product contact and friction can be reduced, oxidation gauffer etc. is bad caused by effectivelying prevent because of the excessive taking and placing of FPC plate, promotes product yield, and structure is simple, without changing existing crisp disk production technology, extra cost not will increase.
Description
Technical field
The invention belongs to circuit board detecting fields, and in particular to a kind of crisp disk of mark with a scale and the inspection of FPC slab warping
Survey method.
Background technique
In actual production process, client is to flexible circuit board (Flexible Printed Circuit, abbreviation FPC) product
Warpage standard require, its warpage is detected after FPC sheet metal forming, at present detect FPC slab warping used in mode be mesh
Depending on or clearance gauge detection, these detection methods are not only cumbersome, but also there is problems:
1) visual detection angularity is used, artificial subjective factor detection is not accurate, and warpage bad products are easily flowed to client
End；
2) warpage heavy workload is detected using clearance gauge, needs to measure product one by one, takes time and effort；
3) slow using clearance gauge detection warpage efficiency, and when detection, it needs to be placed on product on smooth desktop, taking and placing produce
Product process easily causes product gauffer oxidation etc. bad.
Summary of the invention
The present invention is intended to provide a kind of crisp disk of mark with a scale and the detection method of FPC slab warping, above-mentioned existing to solve
Have one or several in technical problem.
According to an aspect of the invention, there is provided a kind of crisp disk of mark with a scale, including crisp disk disk body and storage
Position-limiting unit, wherein storage position-limiting unit is indent in the groove structure of crisp disk disk body, and storing position-limiting unit includes vallecular cavity, with
And the warpage scale marker on vallecular cavity wall.
It in some embodiments, can also include being placed between crisp disk disk body and storage position-limiting unit, playing the crisp disk of connection
The concave surface platform of disk body and storage position-limiting unit effect.Thus, on the one hand, concave surface platform forms interior relative to crisp disk disk body surrounding
Recessed structure, the product be conducive in protection storage position-limiting unit are injury-free；On the other hand crisp disk disc surfaces are formed in one
The structure of recessed evagination forms convex flat face close to boundary in crisp disk disk body surrounding as a result, convenient for mutual folded between crisp disk disk body
It puts.
In some embodiments, warpage scale marker includes reference line and detection line, wherein reference line is a level
Straight line, detection line can be the straight line parallel with reference line or camber line, the distance of detection height of the vertical to reference line
For reference height, reference height is depending on customer demand, such as 1mm, 1.5mm；Moreover, reference line is from vallecular cavity bottom in height side
There is certain distance upwards, this distance and the thickness of storage the placed product of position-limiting unit are consistent.As a result, by product to be detected
It is placed in storage position-limiting unit, is by the warpage that warpage scale marker can identify and judge out product easily and easily
No qualification, simple and convenient, accuracy is high.
Wherein, the requirement standard different to FPC slab warping degree according to client, upper warpage graduated scale is done when producing crisp disk
Knowledge, original crisp disk production technology vary without.
In some embodiments, warpage scale marker is recessed or outwardly protrudes inward relative to vallecular cavity wall.As a result, only
It can just make warpage measurement easily easy by so slight change, and it goes without doing excessively changes in original production technology
Become, material, the processing method that original makes crisp disk are constant, need to only increase on the crisp disk prepared a scale marker or
It prepares and does small change on the mold of crisp disk, generally production process is substantially constant.
In some embodiments, crisp disk disk body material is transparent plastic, in order to whether observe and judge product warpage
It is qualified.
According to another aspect of the present invention, the method using above-mentioned crisp disk detection FPC slab warping is provided, step is such as
Under:
FPC plate is placed in the crisp disk with warpage scale marker, if the height of FPC slab warping plane is greater than reference height
Degree, then be judged to warpage defective products；Conversely, being then qualified product.
In some embodiments, the method for detecting FPC slab warping, specific steps are as follows: be placed horizontally at test product
In the vallecular cavity for storing position-limiting unit, the highest point of the highest point of test product plane warping and detection line is compared, if by
The highest point for surveying product plane warpage is higher than the highest point of detection line, then test product is warpage defective products；If test product is flat
The highest point of face warpage is lower than the highest point of detection line, then test product is warpage non-defective unit.
In some embodiments, reference line is equal with FPC plate thickness relative to the height of vallecular cavity bottom；As a result, to protect
The accuracy of reference result is demonstrate,proved, reference error is reduced.
A kind of crisp disk of mark with a scale provided by the present invention, it is whether qualified for detecting FPC slab warping, do not need handle
Product takes out crisp disk detection, it is possible to reduce product contact and friction effectively prevent aoxidizing gauffer caused by because of the excessive taking and placing of FPC plate
Etc. bad, promotion product yield, and structure is simple, basic not have to change existing crisp disk production technology, saves production cost.
Using the method for detection FPC slab warping provided by the present invention, FPC plate need to be only placed on and indicate the crisp of scale marker
It is whether qualified that FPC slab warping can be detected on disk, does not need product to take out being placed on smooth desktop and tested with clearance gauge, save people
The power time improves product testing accuracy, reduces the influence of artificial subjective factor, and this detection method is to operating personnel's technology
It is required that low, accuracy is high, high-efficient, simple and convenient；And different FPC plates is loaded by crisp disk of different shapes, institute of the present invention
The device and method of offer has general general applicability, for each crisp disk of different shapes, only need to put limit in crisp take inventory
Increase such scale marker on the vallecular cavity wall of bit location, it, can more preferably, more simply, more without being influenced by crisp disk shape, size
Conveniently go the warpage of detection FPC.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the crisp disk of the mark with a scale of an embodiment of the present invention；
Fig. 2 is the crisp disk use state diagram of mark with a scale shown in Fig. 1；
Fig. 3 is the crisp disk A-A the schematic diagram of the section structure of mark with a scale shown in Fig. 1；
Fig. 4 detects FPC slab warping schematic illustration for the crisp disk of mark with a scale shown in Fig. 1, in which:
Fig. 4 a is FPC slab warping degree reference schematic diagram when being zero；
Reference schematic diagram when Fig. 4 b is FPC slab warping qualification；
Fig. 4 c is reference schematic diagram when FPC slab warping is bad；
Fig. 5 is the structural schematic diagram of the crisp disk of the mark with a scale of another embodiment of the present invention；
Fig. 6 is another warpage scale marker structural schematic diagram；
Fig. 7 is the side structure schematic diagram of the crisp disk of the mark with a scale of another embodiment of the present invention；
Fig. 8 is structural schematic diagram when crisp disk shown in Fig. 7 stacks.
Specific embodiment
The invention will now be described in further detail with reference to the accompanying drawings.
Fig. 1-2 schematically shows a kind of crisp disk of the mark with a scale of embodiment according to the present invention.As schemed
Show, the crisp disk of mark with a scale is an integral molding structure, including crisp disk disk body 1, the storage position-limiting unit 2 being made of transparent plastic
And the concave surface platform 4 of connection crisp disk disk body 1 and storage position-limiting unit 2, wherein storage position-limiting unit 2 is indent in crisp disk disk
The groove structure of body 1, storage position-limiting unit 2 is whole in vertical direction is lower than concave surface platform 4, and concave surface platform 4 is placed in crisp disk disk body 1
Between storage position-limiting unit 2, play the crisp disk disk body 1 of connection and storage position-limiting unit 2.
Wherein, crisp 1 surrounding of disk disk body forms convex surface 11, convenient for mutually stacking between crisp disk disk body 1, and due to storage
There is also concave surface platforms 4 to be used as Stilt layer and buffer layer between position-limiting unit 2 and convex surface 11, and storage can preferably be protected to limit
The product put in unit 2.
Wherein, storage position-limiting unit 2 includes vallecular cavity 21, and warpage scale marker 22 and warpage on 21 wall of vallecular cavity
Scale marker 22 is recessed inwardly relative to 21 wall of vallecular cavity；Warpage scale marker 22 includes reference line 221 and detection line 222, benchmark
Line 221 is a horizontal linear, and detection line 222 is a camber line, and the distance h of highest point to reference line 221 is in detection line 222
Reference height, reference height is depending on customer demand.Pass through the distance and ginseng of contrast product warpage plane in the height direction
Than height, to judge whether product warpage is qualified.
It should be noted that a storage position-limiting unit 2 can be set in crisp disk disk body 1, multiple storages also can be set
Position-limiting unit 2, when being provided with multiple storage position-limiting units 2, storage position-limiting unit 2 can be with array arrangement in crisp disk disk body 1.
In conjunction with Fig. 1 and Fig. 3 it is found that in the present embodiment, convex surface 11 is the actually convex surface with certain thickness rectangular surfaces
Body mutually joins end to end to enclose and cover by four cubes；Vallecular cavity 21 can then be divided into four contour spaces: the first cuboid
Region, the second rectangular body region, the rectangular body region of third and the 4th rectangular body region, this four contour area of space are successively
Connection, to form indent on the whole in the vallecular cavity 21 of crisp disk disk body 1, wherein the length of the first rectangular body region is less than the
The length of two rectangular body regions, the length of the second rectangular body region are greater than the length of the rectangular body region of third, third cuboid area
The length in domain is greater than the length of the 4th rectangular body region；Width of the width of first rectangular body region less than the second rectangular body region
Degree, the width of the second rectangular body region are greater than the width of the rectangular body region of third, and the width of the rectangular body region of third is less than the 4th
The width of rectangular body region；And warpage scale marker 22 is just arranged in the side wall of the first cuboid.
In the present embodiment, the length on convex surface 11 and the wide length for being all larger than concave surface platform 4 and width, the length and width of concave surface platform 4
It is all larger than the maximum length and maximum width of vallecular cavity 21；The height on convex surface 11 is greater than the total of concave surface platform 4 and 21 height of vallecular cavity
With.
The crisp disk use state of mark with a scale is as shown in Fig. 2, be placed in vallecular cavity 21, each space in vallecular cavity 21 for FPC plate 3
The length and width situation in region and the length and width of each region of FPC plate 3 are consistent.
As shown in figure 4, the method for the crisp disk detection FPC slab warping using mark with a scale shown in FIG. 1, steps are as follows:
FPC plate 3 is placed in the crisp disk with warpage scale marker, if the height of 3 warpage plane of FPC plate is greater than reference
Highly, then it is judged to warpage defective products；Conversely, being then qualified product.
Wherein, crisp disk includes crisp disk disk body 1 and the storage position-limiting unit 2 for being equipped with FPC plate 3, and storage position-limiting unit 2 is indent
In the groove structure of crisp disk disk body 1 comprising vallecular cavity 21, and the warpage scale marker 22 on 21 wall of vallecular cavity, warpage are carved
It includes reference line 221 and detection line 222 that scale, which knows 22, and reference line 221 is a horizontal linear.
Wherein, as shown in fig. 4 a, distance h of the highest point to reference line 221, practical work in reference height, that is, detection line 222
In work, depending on the size of h is by customer demand, in the present embodiment, h 1mm, i.e. highest point after 3 warpage of FPC plate and reference line
The distance of 221 distance in the height direction is no more than 1mm；When judging, as illustrated in fig. 4 c, when 3 plane warping of FPC plate most
When a high position is more than highest point in detection line 222, then 3 warpage of FPC plate is unqualified；Otherwise, such as Fig. 4 b, FPC plate 3 warpage qualification.
Reference line 221 is equal with 3 thickness of FPC plate relative to the height d of 21 bottom of vallecular cavity.
FPC plate only need to be placed on the crisp disk for indicate scale marker and can detect by the method for detection FPC slab warping
Whether FPC slab warping is qualified, saves human time, improves product testing accuracy, reduces the influence of artificial subjective factor, and
This detection method is low to operating personnel's technical requirements, and accuracy is high, high-efficient, simple and convenient.
Fig. 5 shows the structural schematic diagram of the crisp disk of the mark with a scale of another embodiment of the present invention, and shown in FIG. 1
The structure of the crisp disk of mark with a scale the difference is that, in crisp disk shown in fig. 5, detection line 222 is one and reference line 221
Parallel lines, highest point are overlapped with the boundary line of vallecular cavity 21, and detection line 222 and 221 distance h of reference line is 1mm；In addition,
Reference line 221, detection line 222 length be less than its where vallecular cavity 21 in the first rectangular body region length, can also be equal to
The length of first rectangular body region.
In other embodiments, as shown in fig. 6, warpage scale marker 22 may be rectangle, at this point, detection line
222 highest points are lower than the upper border line of the rectangular body wall of vallecular cavity 21 first；Warpage scale marker 22 can also be relative in vallecular cavity 21
First rectangular body wall outwardly protrudes.
Fig. 7 shows the side structure schematic diagram of the crisp disk of the mark with a scale of another embodiment, as shown, with
Fragipan structure shown in FIG. 1 the difference is that, crisp 1 lower end of disk disk body shown in fig. 7 is additionally provided with one and stacks platform 5, stacks
Platform 5 is mutually joined end to end by four cubes and forms a closed shape, is integrally formed with convex surface 1, wherein stack platform
Length and width (in terms of being come by the distance on opposite both sides) is all larger than the length and width on convex surface 1 (with the distance on opposite both sides
To count) so that when crisp disk is stacked with crisp disk be more convenient, take up space it is smaller more optimized.
Wherein, Fig. 8 is schematic diagram when crisp disk shown in six parts of Fig. 7 stacks, and when stacking, the vallecular cavity 21 of a upper crisp disk is placed in
On the concave surface platform 4 of next crisp disk, it is stacked in convex surface 11 and concave surface platform 4 is formed by space, so can not only protect
FPC plate is protected from scratch, folding line equivalent damage, and keeps the crisp disk stacking stability of the several pieces being stacked together good, saves space,
It is readily transported.
It is worth noting that present embodiment is the mode enumerating one of crisp disk disk body 1 and stacking, specifically producing
In the process, it is also based on the prior art and other changes is made to the mode stacked, do not enumerate herein.
Above-described is only some embodiments of the present invention.For those of ordinary skill in the art, not
Under the premise of being detached from the invention design, various modifications and improvements can be made, these belong to protection model of the invention
It encloses.
Claims (8)
1. the crisp disk of mark with a scale characterized by comprising
Crisp disk disk body (1),
It stores position-limiting unit (2), storage position-limiting unit (2) is indent in the groove structure of crisp disk disk body (1),
The storage position-limiting unit (2) includes vallecular cavity (21), and the warpage scale marker (22) being set on vallecular cavity (21) wall.
2. the crisp disk of mark with a scale according to claim 1, which is characterized in that the warpage scale marker (22) includes
Reference line (221) and detection line (222), the reference line (221) are a horizontal linear, highest on the detection line (222)
The distance of point to reference line (221) is reference height.
3. the crisp disk of mark with a scale according to claim 2, which is characterized in that the warpage scale marker (22) is opposite
In the vallecular cavity (21), wall is recessed or outwardly protrudes inward.
4. the crisp disk of mark with a scale according to claim 3, which is characterized in that further include being placed in the crisp disk disk body
(1) between storage position-limiting unit (2), act the concave surface platform (4) for connecting crisp disk disk body (1) and storing position-limiting unit (2).
5. the crisp disk of mark with a scale according to any one of claims 1 to 4, which is characterized in that crisp disk disk body (1) material
For transparent plastic.
The detection method of 6.FPC slab warping, which is characterized in that steps are as follows:
Test product is placed in the crisp disk described in claim 1 with warpage scale marker, if test product plane is stuck up
Qu Gaodu is greater than reference height, then is judged to warpage defective products；Conversely, being then qualified product.
7. detection method according to claim 6, which is characterized in that specific step is as follows:
Test product is placed horizontally in the vallecular cavity of storage position-limiting unit, by the highest point of test product plane warping and detection
The highest point of line compares, if the highest point of test product plane warping is higher than the highest point of detection line, test product is
Warpage defective products；If the highest point of test product plane warping is lower than the highest point of detection line, test product is warpage non-defective unit.
8. detection method according to claim 6 or 7, which is characterized in that the reference line (221) and the vallecular cavity (21)
The distance of bottom is consistent with test product thickness.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811354764.5A CN109539957B (en) | 2018-11-14 | 2018-11-14 | Brittle disc for detecting FPC board warping and FPC board warping detection method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811354764.5A CN109539957B (en) | 2018-11-14 | 2018-11-14 | Brittle disc for detecting FPC board warping and FPC board warping detection method |
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| Publication Number | Publication Date |
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| CN109539957A true CN109539957A (en) | 2019-03-29 |
| CN109539957B CN109539957B (en) | 2021-04-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811354764.5A Expired - Fee Related CN109539957B (en) | 2018-11-14 | 2018-11-14 | Brittle disc for detecting FPC board warping and FPC board warping detection method |
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Cited By (2)
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| CN110487159A (en) * | 2019-08-09 | 2019-11-22 | 广东利扬芯片测试股份有限公司 | For loading the warpage detection device and its detection method of the Tray disk of IC |
| CN112478370A (en) * | 2020-11-17 | 2021-03-12 | 昆山国显光电有限公司 | Tray, warpage detection system and warpage detection method |
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|---|---|
| CN109539957B (en) | 2021-04-06 |
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Effective date of registration: 20211201 Address after: 435100 No. 91, Sike Avenue East, Jinshan street, Huangshi economic and Technological Development Zone, Huangshi City, Hubei Province Patentee after: LEADER-TECH (HUANGSHI) Inc. Address before: 518104 floors 1-4, 2-3, building a, Huangpu Runhe Industrial Park, South Ring Road, Huangpu Community, Shajing street, Bao'an District, Shenzhen City, Guangdong Province Patentee before: LEADER-TECH ELECTRONICS (SHENZHEN) Inc. |
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