CN108925032A - Printed circuit board and its test method - Google Patents
Printed circuit board and its test method Download PDFInfo
- Publication number
- CN108925032A CN108925032A CN201811102555.1A CN201811102555A CN108925032A CN 108925032 A CN108925032 A CN 108925032A CN 201811102555 A CN201811102555 A CN 201811102555A CN 108925032 A CN108925032 A CN 108925032A
- Authority
- CN
- China
- Prior art keywords
- printed circuit
- circuit board
- ontology
- protective plate
- pillar
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/02—Details
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/28—Testing of electronic circuits, e.g. by signal tracer
- G01R31/2801—Testing of printed circuits, backplanes, motherboards, hybrid circuits or carriers for multichip packages [MCP]
- G01R31/2806—Apparatus therefor, e.g. test stations, drivers, analysers, conveyors
- G01R31/2808—Holding, conveying or contacting devices, e.g. test adapters, edge connectors, extender boards
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/18—Printed circuits structurally associated with non-printed electric components
- H05K1/181—Printed circuits structurally associated with non-printed electric components associated with surface mounted components
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
- H05K2201/10—Details of components or other objects attached to or integrated in a printed circuit board
- H05K2201/10227—Other objects, e.g. metallic pieces
Abstract
The present invention provides a kind of printed circuit board and its test method, the printed circuit board includes ontology and the protective plate with the ontology detachable connection.Surface mounting component on ontology is protected by installing protective plate additional on the body; when producers effectively being avoided to carry out printed circuit board being mounted on the operation on test machine; influence of the collision to surface mounting component on ontology between printed circuit board and test machine; therefore; it reduces surface mounting component and the phenomenon that pin is tilted, is broken occurs, extend the period that printed circuit board places under repair, replaces.
Description
Technical field
The present invention relates to ic test technique field, in particular to a kind of printed circuit board and its test method.
Background technique
When integrated circuit testing chip, producers need first to carry out the behaviour that printed circuit board is mounted on test machine
Make, carries out chip testing later.But when progress printed circuit board is mounted on the operation on test machine, printed circuit board
There is phenomena such as tilting such as accurate Surface Mount device pin, fracture it occur frequently that damaged in collision in back side precision surface mounting component, therefore,
It needs to place under repair to printed circuit board, replace, it will cause losses, production delay when machine.
The problem of for integrated circuit testing chip processes in the prior art, those skilled in the art are seeking always
The method for looking for solution.
Summary of the invention
The purpose of the present invention is to provide a kind of printed circuit board and its test methods, are printed in the prior art with solving to use
Back of circuit board precision surface mounting component processed collides the problem of damaging.
In order to solve the above technical problems, the present invention provides a kind of printed circuit board, the printed circuit board includes:Ontology and
With the protective plate of the ontology detachable connection.
Optionally, in the printed circuit board, a side surface of the ontology is provided with surface mounting component, and the table
Patch device is covered by the protective plate.
It optionally, further include that at least three pillars, all pillars have been all set in Surface Mount in the printed circuit board
Between the side of device body and the protective plate.
Optionally, in the printed circuit board, the both ends of every pillar are provided with internal screw thread.
Optionally, in the printed circuit board, at least three first mounting holes are offered on the ontology, screw passes through
The internal screw thread for wearing first mounting hole and described pillar one end is equipped, and the ontology and the pillar are fastened.
Optionally, in the printed circuit board, at least three second mounting holes, screw are offered on the protective plate
It is equipped through the internal screw thread of second mounting hole and the pillar other end, the protective plate and the pillar are fastened.
Optionally, in the printed circuit board, the quantity of first mounting hole and second mounting hole is
Four.
Optionally, in the printed circuit board, all pillars are copper post.
The present invention also provides a kind of test method of printed circuit board, the test method of the printed circuit board includes:
Such as printed circuit board according to any one of claims 1 to 8 is provided and offers the test machine of mounting groove;
There is the side of protective plate to be placed in the mounting groove printed circuit board;
Carry out the test to the printed circuit chip on board based on test machine.
In printed circuit board provided by the present invention and its test method, the printed circuit board include ontology and with institute
State the protective plate of ontology detachable connection.Surface mounting component on ontology is protected by installing protective plate additional on the body, is had
When effect avoids producers from carrying out printed circuit board being mounted on the operation on test machine, between printed circuit board and test machine
Influence of the collision to surface mounting component on ontology, therefore, reduce surface mounting component occur pin tilt, fracture the phenomenon that, extend
The period that printed circuit board places under repair, replaces.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of printed circuit board in one embodiment of the invention;
Fig. 2 is the structural schematic diagram of test machine in one embodiment of the invention.
In figure:
1- printed circuit board;10- ontology;The first mounting hole of 100-;11- protective plate;The second mounting hole of 110-;12- pillar;
2- test machine;20- mounting groove.
Specific embodiment
Printed circuit board proposed by the present invention and its test method are made below in conjunction with the drawings and specific embodiments further
It is described in detail.According to following explanation and claims, advantages and features of the invention will be become apparent from.It should be noted that attached drawing
It is all made of very simplified form and uses non-accurate ratio, only to convenient, lucidly the aid illustration present invention is implemented
The purpose of example.
Illustrate embodiments of the present invention below by way of specific specific example, those skilled in the art can be by this specification
Other advantages and efficacy of the present invention can be easily understood for disclosed content.The present invention can also pass through in addition different specific realities
The mode of applying is embodied or practiced, the various details in this specification can also based on different viewpoints and application, without departing from
Various modifications or alterations are carried out under spirit of the invention.It should be noted that diagram provided in the present embodiment is only with signal
Mode illustrates basic conception of the invention, then in schema only display with related component in the present invention rather than when according to actual implementation
Component count, shape and size draw, when actual implementation kenel, quantity and the ratio of each component can arbitrarily change for one kind
Become, and its assembly layout kenel may also be increasingly complex.
The certain terms for indicating particular system components have been used throughout specification and claims.Such as the technology of this field
What personnel will be understood that, different company may indicate a component with different titles.But function different in title is not expected herein
It is distinguished between identical component.In the specification and in the claims, term " includes " and "comprising" press open side
Formula uses, and therefore should be interpreted " including, but are not limited to ... ".
As shown in the application and claims, unless context clearly prompts exceptional situation, " one ", "one", " one
The words such as kind " and/or "the" not refer in particular to odd number, may also comprise plural number.It is, in general, that term " includes " only prompts to wrap with "comprising"
Include clearly identify the step of and element, and these steps and element do not constitute one it is exclusive enumerate, method or apparatus
The step of may also including other or element.
In addition, each embodiment of following description is respectively provided with one or more technical characteristics, so this is not meant to
It must implement all technical characteristics in any embodiment simultaneously using present inventor, or be only capable of being performed separately in different embodiments
One or all technical characteristic.In other words, under the premise of being embodied as possible, those skilled in the art can be according to the present invention
Disclosure, and regard design specification or implementation demand, it is special selectively to implement all or part of technology in any embodiment
Sign, or selectively implement the combination of all or part of technical characteristic in multiple embodiments, increase the present invention whereby and implements
When elasticity.
To be clearer and more comprehensible the purpose of the present invention, feature, a specific embodiment of the invention is made with reference to the accompanying drawing
Further instruction, however, the present invention can be realized with different forms, it is not considered that being only confined to the embodiment described.
Find after study, occur printed circuit back chronograph watch patch device collide the problem of damaging the reason of
In:Printed circuit back chronograph watch patch device is in exposed state.Based on the point discovery, the present inventor is through too long
The research of phase creative work is lower to propose technical solution of the present invention.
Referring to FIG. 1, it is the structural schematic diagram of printed circuit board of the invention.As shown in Figure 1, the printed circuit board
1 includes:Ontology 10 and protective plate 11 with 10 detachable connection of ontology.Wherein, a side surface of the ontology 10 is set
It is equipped with surface mounting component, it is (i.e. anti-to be installed on ontology 10 that be the surface mounting component by the protective plate 11 cover in protective plate 11
Backplate 11 plays the role of shielding protection layer).
It further, further include at least three pillars 12, all pillars 12 are all set in the one of surface mounting component ontology 10
Between side and the protective plate 11, so that the space length between ontology 10 and protective plate 11 meets the needs of surface mounting component, keep away
Exempt from the extruding and/or friction to surface mounting component.Preferably, all pillars 12 are copper post.
In order to assemble ontology 10 and protective plate 11, specific design scheme is as follows:
The both ends of every pillar 12 are provided with internal screw thread;At least three first mounting holes are offered on the ontology 10
100 (3 points are coplanar, stablize assembly), screw is equipped through first mounting hole 100 and the internal screw thread of described 12 one end of pillar,
The ontology 10 and the pillar 12 to be fastened.At least three second mounting holes 110, screw are offered on the protective plate 11
Internal screw thread through second mounting hole 110 and 12 other end of pillar is equipped, by the protective plate 11 and the branch
Column 12 fastens.In other words, it is provided with a pillar 12 between each first mounting hole 100 and the second mounting hole 110 of corresponding position,
The both ends of pillar 12 are fastened with neighbouring structure (ontology 10 or protective plate 11) respectively.
It will of course be understood that, the present invention includes but is not limited to a kind of above-mentioned assembling scheme.
In the present embodiment, the ontology 10 and the protective plate 11 are rectangle, first mounting hole 100 and described
The quantity of second mounting hole 110 is four, and four the first mounting holes 100 are opened in respectively on four angles of the ontology 10;
Four the second mounting holes 110 are opened in respectively on four angles of the protective plate 11.
Correspondingly, the present embodiment additionally provides a kind of test method of printed circuit board.It is detailed below with reference to Fig. 1 and Fig. 2
Illustrate the test method of printed circuit board described in the present embodiment.
Firstly, please referring to Fig. 1 and Fig. 2, step S1 is executed, printed circuit board as described above is provided and offers mounting groove
20 test machine 2;
Then, step S2 is executed, there is the side of protective plate 11 to be placed in the mounting groove printed circuit board;
Then, step S3 is executed, the test to the printed circuit chip on board is carried out based on test machine 2.
To sum up, in printed circuit board provided by the present invention and its test method, the printed circuit board includes ontology
With the protective plate with the ontology detachable connection.Surface mounting component on ontology is protected by installing protective plate additional on the body
Shield, when producers effectively being avoided to carry out printed circuit board being mounted on the operation on test machine, printed circuit board and test
Therefore influence of the collision to surface mounting component on ontology between machine reduces surface mounting component and the phenomenon that pin is tilted, is broken occurs,
Extend the period that printed circuit board places under repair, replaces.
Foregoing description is only the description to present pre-ferred embodiments, not to any restriction of the scope of the invention, this hair
Any change, the modification that the those of ordinary skill in bright field does according to the disclosure above content, belong to the protection of claims
Range.
Claims (9)
1. a kind of printed circuit board, which is characterized in that including:Ontology and protective plate with the ontology detachable connection.
2. printed circuit board as described in claim 1, which is characterized in that a side surface of the ontology is provided with Surface Mount device
Part, and the surface mounting component is covered by the protective plate.
3. printed circuit board as claimed in claim 2, which is characterized in that further include that at least three pillars, all pillars are all provided with
It is placed between the side of surface mounting component ontology and the protective plate.
4. printed circuit board as claimed in claim 3, which is characterized in that the both ends of every pillar are provided with internal screw thread.
5. printed circuit board as claimed in claim 4, which is characterized in that offer at least three first installations on the ontology
Hole, internal screw thread of the screw through first mounting hole and described pillar one end is equipped, and the ontology and the pillar is tight
Gu.
6. printed circuit board as claimed in claim 5, which is characterized in that offer at least three second peaces on the protective plate
Fill hole, screw is equipped through the internal screw thread of second mounting hole and the pillar other end, by the protective plate with it is described
Pillar fastening.
7. printed circuit board as claimed in claim 6, which is characterized in that first mounting hole and second mounting hole
Quantity is four.
8. printed circuit board as claimed in claim 3, which is characterized in that all pillars are copper post.
9. a kind of test method of printed circuit board, which is characterized in that including:
Such as printed circuit board according to any one of claims 1 to 8 is provided and offers the test machine of mounting groove;
There is the side of protective plate to be placed in the mounting groove printed circuit board;
Carry out the test to the printed circuit chip on board based on test machine.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201811102555.1A CN108925032A (en) | 2018-09-20 | 2018-09-20 | Printed circuit board and its test method |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201811102555.1A CN108925032A (en) | 2018-09-20 | 2018-09-20 | Printed circuit board and its test method |
Publications (1)
Publication Number | Publication Date |
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CN108925032A true CN108925032A (en) | 2018-11-30 |
Family
ID=64409702
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201811102555.1A Pending CN108925032A (en) | 2018-09-20 | 2018-09-20 | Printed circuit board and its test method |
Country Status (1)
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CN (1) | CN108925032A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112285534A (en) * | 2020-10-20 | 2021-01-29 | 上海华岭集成电路技术股份有限公司 | Chip testing device |
CN112834905A (en) * | 2020-12-31 | 2021-05-25 | 上海寒武纪信息科技有限公司 | Device for testing chip and method for testing chip by using device |
Citations (6)
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CN2311004Y (en) * | 1997-02-18 | 1999-03-17 | 明碁电脑股份有限公司 | Circuit board test connection device |
CN205082043U (en) * | 2015-09-25 | 2016-03-09 | 广州市星翼电子科技有限公司 | Exposed circuit board protection architecture |
CN206671371U (en) * | 2017-04-11 | 2017-11-24 | 东莞理工学院城市学院 | Circuit board testing jig |
CN206710555U (en) * | 2017-04-25 | 2017-12-05 | 无锡明祥电子有限公司 | Chip detects safeguard structure |
US20180088171A1 (en) * | 2012-12-04 | 2018-03-29 | Foresite, Inc. | Method and composition for protecting an electronic circuit board |
CN108152713A (en) * | 2017-12-28 | 2018-06-12 | 重庆市中光电显示技术有限公司 | Circuit board detecting tooling |
-
2018
- 2018-09-20 CN CN201811102555.1A patent/CN108925032A/en active Pending
Patent Citations (6)
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CN2311004Y (en) * | 1997-02-18 | 1999-03-17 | 明碁电脑股份有限公司 | Circuit board test connection device |
US20180088171A1 (en) * | 2012-12-04 | 2018-03-29 | Foresite, Inc. | Method and composition for protecting an electronic circuit board |
CN205082043U (en) * | 2015-09-25 | 2016-03-09 | 广州市星翼电子科技有限公司 | Exposed circuit board protection architecture |
CN206671371U (en) * | 2017-04-11 | 2017-11-24 | 东莞理工学院城市学院 | Circuit board testing jig |
CN206710555U (en) * | 2017-04-25 | 2017-12-05 | 无锡明祥电子有限公司 | Chip detects safeguard structure |
CN108152713A (en) * | 2017-12-28 | 2018-06-12 | 重庆市中光电显示技术有限公司 | Circuit board detecting tooling |
Non-Patent Citations (1)
Title |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112285534A (en) * | 2020-10-20 | 2021-01-29 | 上海华岭集成电路技术股份有限公司 | Chip testing device |
CN112834905A (en) * | 2020-12-31 | 2021-05-25 | 上海寒武纪信息科技有限公司 | Device for testing chip and method for testing chip by using device |
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Application publication date: 20181130 |
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