CN207215006U - A kind of four layers of PCB copper thickness test modules - Google Patents

A kind of four layers of PCB copper thickness test modules Download PDF

Info

Publication number
CN207215006U
CN207215006U CN201721274165.3U CN201721274165U CN207215006U CN 207215006 U CN207215006 U CN 207215006U CN 201721274165 U CN201721274165 U CN 201721274165U CN 207215006 U CN207215006 U CN 207215006U
Authority
CN
China
Prior art keywords
layer
instrument connection
instrument
groups
connection
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.)
Active
Application number
CN201721274165.3U
Other languages
Chinese (zh)
Inventor
黄铭宏
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ding Ying Electronic (kunshan) Co Ltd
Original Assignee
Ding Ying Electronic (kunshan) Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Ding Ying Electronic (kunshan) Co Ltd filed Critical Ding Ying Electronic (kunshan) Co Ltd
Priority to CN201721274165.3U priority Critical patent/CN207215006U/en
Application granted granted Critical
Publication of CN207215006U publication Critical patent/CN207215006U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

The utility model discloses a kind of four layers of PCB copper thickness test modules, including module body, the module body includes first layer test board, second layer test board, third layer test board and the 4th layer of test board, one end of every layer of test board is all equidistantly provided with five groups of instrument connection groups along its length, the instrument connection one-to-one corresponding between adjacent two layers test board and communicates;First layer test board is provided with first layer copper cash, and second layer test board is provided with second layer copper cash and the standby copper cash of the second layer, and third layer test board is provided with third layer copper cash and the standby copper cash of third layer, and the 4th layer of test board is provided with the 4th layer of copper cash.The utility model provides a kind of four layers of PCB copper thickness test modules, suitable for four layers of PCB finished product test flows, whether detects copper thickness in accordance with design specification by the change of test module D.C. resistance, the test of avoiding damage to property causes scrapping for PCB.

Description

A kind of four layers of PCB copper thickness test modules
Technical field
The utility model is specifically related to a kind of four layers of PCB copper thickness test modules, and the finished product especially suitable for four layers of PCB is surveyed Examination.
Background technology
PCB (printed substrate) copper thickness has conclusive effect to impedance matching, and whether impedance matches and have influence on The change of transmission and loss of signal of the data-signal on PCB, so monitoring copper thickness becomes important all the more.Confirm copper thickness most Main method has two kinds:1) CMI test surfaces copper thickness 2) cutting into slices confirms that copper is thick in surface and through hole.CMI needs when testing Measured object surface needs certain area, but need to monitor at present is that copper after etching is thick, and its complete copper face is relatively few, It is more difficult during selection test zone.Section confirm need a small sample is cut from PCB, be then ground/polish again with up to To microscope measure purpose, the method is destructive testing, the plank by section can not shipment can only scrap, when client need When asking 100% monitoring, the method is unable to reach requirement.
Utility model content
The utility model is mainly solving the technical problems that provide a kind of four layers of PCB copper thickness test modules, suitable for four layers PCB finished product test flows, whether copper thickness is detected in accordance with design specification by the change of test module D.C. resistance, avoiding damage to property Test causes scrapping for PCB.
In order to solve the above technical problems, the technical scheme that the utility model uses is:It is thick to provide a kind of four layers of PCB copper Test module, including module body, the module body include first layer test board, second layer test board, third layer test board With the 4th layer of test board, the length direction of test board is defined as fore-and-aft direction and width is defined as left and right directions, every layer The front end of test board is all provided with six groups of instrument connection groups of equidistantly distributed and is respectively:
Positioned at five groups of instrument connection groups of first layer test board:The 4th group of instrument connection group of first layer, are followed successively by from front to back One layer of the 3rd group of instrument connection group, second group of instrument connection group of first layer, first group of instrument connection group of first layer and the standby test of first layer Hole group, the 4th group of instrument connection group of the first layer include four groups of instrument connections one of first layer on right side and four groups of surveys of first layer in left side Prospect hole two, the 3rd group of instrument connection group of the first layer include three groups of instrument connections one of first layer on right side and three groups of the first layer in left side Instrument connection two, described second group of instrument connection group of first layer include two groups of instrument connections one of first layer on right side and the first layer two in left side Group instrument connection two, described first group of instrument connection group of first layer include one group of instrument connection one of first layer on right side and the first layer in left side One group of instrument connection two, the standby instrument connection group of first layer include the standby instrument connection one of first layer on right side and the first layer in left side Standby instrument connection two;The first layer test board is provided with first layer copper cash, one end connection first layer one of the first layer copper cash Group instrument connection one and other end connection one group of instrument connection two of first layer, the first layer copper cash is in first group of instrument connection group of first layer Turned back back and forth between the rear end of first layer test board;
Positioned at five groups of instrument connection groups of second layer test board:The 4th group of instrument connection group of the second layer, are followed successively by from front to back Two layers of the 3rd group of instrument connection group, second group of instrument connection group of the second layer, first group of instrument connection group of the second layer and the standby test of the second layer Hole group, the 4th group of instrument connection group of the second layer include four groups of instrument connections one of the second layer on right side and four groups of surveys of the second layer in left side Prospect hole two, the 3rd group of instrument connection group of the second layer include three groups of instrument connections one of the second layer on right side and three groups of the second layer in left side Instrument connection two, described second group of instrument connection group of the second layer include two groups of instrument connections one of the second layer on right side and the second layer two in left side Group instrument connection two, described first group of instrument connection group of the second layer include one group of instrument connection one of the second layer on right side and the second layer in left side One group of instrument connection two, the standby instrument connection group of the second layer include the standby instrument connection one of the second layer on right side and the second layer in left side Standby instrument connection two;The second layer test board is provided with second layer copper cash and the standby copper cash of the second layer, the standby copper of the second layer Line is located at the periphery of the second layer copper cash, one end connection two groups of instrument connections one of the second layer and the other end of the second layer copper cash Two groups of instrument connections two of the second layer are connected, the second layer copper cash is after second group of instrument connection group of the second layer and second layer test board Turned back back and forth between end, the standby instrument connection one of one end connection second layer of the standby copper cash of the second layer and other end connection second The standby instrument connection two of layer, the standby copper cash of the second layer the rear end of the second layer copper cash and the rear end of second layer test board it Between turn back back and forth;
Positioned at five groups of instrument connection groups of third layer test board:The 4th group of instrument connection group of third layer, are followed successively by from front to back Three layers of the 3rd group of instrument connection group, second group of instrument connection group of third layer, first group of instrument connection group of third layer and the standby test of third layer Hole group, the 4th group of instrument connection group of the third layer include four groups of instrument connections one of third layer on right side and four groups of surveys of third layer in left side Prospect hole two, the 3rd group of instrument connection group of the third layer include three groups of instrument connections one of third layer on right side and three groups of the third layer in left side Instrument connection two, described second group of instrument connection group of third layer include two groups of instrument connections one of third layer on right side and the third layer two in left side Group instrument connection two, described first group of instrument connection group of third layer include one group of instrument connection one of third layer on right side and the third layer in left side One group of instrument connection two, the standby instrument connection group of third layer include the standby instrument connection one of third layer on right side and the third layer in left side Standby instrument connection two;The third layer test board is provided with third layer copper cash and the standby copper cash of third layer, the standby copper of third layer Line is located at the periphery of the third layer copper cash, one end connection three groups of instrument connections one of third layer and the other end of the third layer copper cash Three groups of instrument connections two of third layer are connected, the third layer copper cash is after the 3rd group of instrument connection group of third layer and third layer test board Turned back back and forth between end, one end connection two groups of instrument connections one of third layer of the standby copper cash of third layer and other end connection the 3rd The standby instrument connection two of layer, the standby copper cash of third layer come between the rear end of third layer copper cash and the rear end of third layer test board Inflection is returned;
Positioned at five groups of instrument connection groups of the 4th layer of test board:The 4th layer of the 4th group of instrument connection group, are followed successively by from front to back Four layers of the 3rd group of instrument connection group, the 4th layer of second group of instrument connection group, the 4th layer of first group of instrument connection group and the 4th layer of standby test Hole group, described 4th layer of the 4th group of instrument connection group include the 4th layer of four groups of instrument connection one on right side and the 4th layer of four groups of survey in left side Prospect hole two, the 4th layer three groups of described 4th layer of the 3rd group of instrument connection group the 4th layer of three groups of instrument connection one and left side including right side Instrument connection two, the 4th layer two of described 4th layer of second group of instrument connection group the 4th layer of two groups of instrument connection one and left side including right side Group instrument connection two, the 4th layer of described 4th layer of first group of instrument connection group the 4th layer of one group of instrument connection one and left side including right side One group of instrument connection two, the 4th layer of four layer standby instrument connection one and left side of the 4th layer of standby instrument connection group including right side Standby instrument connection two;The 4th layer of test board is provided with the 4th layer of copper cash, and one end of the 4th layer of copper cash connects the 4th layer four Organize instrument connection one and the other end connects the 4th layer of four groups of instrument connection two, the 4th layer of copper cash is in the 4th layer of the 4th group of instrument connection group Turned back back and forth between the rear end of the 4th layer of test board;
Instrument connection between adjacent two layers test board is corresponded and communicated.
Further say, the line footpath of the first layer copper cash and the 4th layer of copper cash is all 4.85mil and length is all 12000mil。
Further say, the line footpath of the second layer copper cash and the third layer copper cash is all 5.15mil and length is all 12000mil。
Further say, the line footpath of the standby copper cash of the second layer and the standby copper cash of the third layer be all 5.15mil and Length is all 5000mil.
Further say, the centre distance between adjacent instrument connection group is 2.54mm.
Further say, mutual conduction between the instrument connection between adjacent two layers test board.
The beneficial effects of the utility model:
Module body of the present utility model is designed as first layer test board, second layer test board, third layer test board and The four-layer structure of four layers of test board, the front end of every layer of test board are all sequentially provided with five groups of instrument connection groups from the front to the back, layer and layer it Between instrument connection correspond and communicate, be provided with the copper cash turned back back and forth in every layer of test board respectively, copper cash is regular length, this Utility model produces four layers of module body and four layers of PCB in production simultaneously, then tests mould by special measurement tool The change of the D.C. resistance of block body, so as to whether detect four layers of PCB copper thickness in accordance with design specification, the test of avoiding damage to property causes PCB's scraps, and practicality is good and easy to use;Standby copper cash separately is set in the second layer and third layer test board, when the second layer or During the conventional copper cash damage of third layer test board, standby copper cash can help meet an urgent need uses, ingenious in design reasonable, very easy to use, Practicality is good.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model;
Each several part mark is as follows in accompanying drawing:
The standby instrument connection 1 of first layer test board 1, first layer copper cash 11, first layer, the standby instrument connection two of first layer 102nd, one group of instrument connection 1 of first layer, one group of instrument connection 2 112 of first layer, first layer two groups of instrument connections 1, first layers Four groups of two groups of instrument connections 2 122, three groups of instrument connections 1 of first layer, three groups of instrument connections 2 132 of first layer, first layer instrument connections One 141, four groups of instrument connections 2 142 of first layer, second layer test board 2, the standby copper cash 20 of the second layer, second layer copper cash 21, second Two groups of instrument connection 1 of layer, two groups of instrument connections 2 222 of the second layer, third layer test board 3, the standby copper cash 30 of third layer, third layer The standby instrument connection 1 of copper cash 31, third layer, the standby instrument connection 2 302 of third layer, three groups of instrument connections of third layer the one 331, the 3rd Three groups of instrument connection 2 332 of layer, the 4th layer of test board 4, the 4th layer of four groups of instrument connection 1, the 4th layer of four groups of and of instrument connection 2 442 Centre distance D between adjacent instrument connection group.
Embodiment
Preferred embodiment of the present utility model is described in detail below in conjunction with the accompanying drawings, so that the advantages of the utility model It can be easier to be readily appreciated by one skilled in the art with feature, it is apparent clear and definite so as to be made to the scope of protection of the utility model Define.
Embodiment:A kind of four layers of PCB copper thickness test modules, as shown in figure 1, including module body, the module body bag First layer test board 1, second layer test board 2, third layer test board 3 and the 4th layer of test board 4 are included, by the length direction of test board It is defined as fore-and-aft direction and width is defined as left and right directions, the front end of every layer of test board is all provided with six groups of equidistantly distributed Instrument connection group and it is respectively:
Positioned at five groups of instrument connection groups of first layer test board:The 4th group of instrument connection group of first layer, are followed successively by from front to back One layer of the 3rd group of instrument connection group, second group of instrument connection group of first layer, first group of instrument connection group of first layer and the standby test of first layer Hole group, the 4th group of instrument connection group of the first layer include four groups of instrument connections 1 of first layer on right side and the first layer four in left side Group instrument connection 2 142, the 3rd group of instrument connection group of the first layer three groups of instrument connections 1 of first layer and left side including right side Three groups of instrument connections 2 132 of first layer, described second group of instrument connection group of first layer include two groups of instrument connections 1 of first layer on right side With two groups of instrument connections 2 122 of first layer in left side, described first group of instrument connection group of first layer includes one group of survey of first layer on right side One group of instrument connection 2 112 of prospect hole 1 and the first layer in left side, the standby instrument connection group of first layer include the first layer on right side Standby instrument connection 1 and the standby instrument connection 2 102 of the first layer in left side;The first layer test board is provided with first layer copper cash 11, one end connection one group of instrument connection one of first layer and other end connection one group of instrument connection two of first layer of the first layer copper cash, The first layer copper cash is turned back back and forth between first group of instrument connection group of first layer and the rear end of first layer test board;
Positioned at five groups of instrument connection groups of second layer test board:The 4th group of instrument connection group of the second layer, are followed successively by from front to back Two layers of the 3rd group of instrument connection group, second group of instrument connection group of the second layer, first group of instrument connection group of the second layer and the standby test of the second layer Hole group, the 4th group of instrument connection group of the second layer include four groups of instrument connections one of the second layer on right side and four groups of surveys of the second layer in left side Prospect hole two, the 3rd group of instrument connection group of the second layer include three groups of instrument connections one of the second layer on right side and three groups of the second layer in left side Instrument connection two, the second of described second group of instrument connection group of the second layer two groups of instrument connections 1 of the second layer and left side including right side Two groups of instrument connection 2 222 of layer, described first group of instrument connection group of the second layer include one group of instrument connection one of the second layer and the left side on right side One group of instrument connection two of the second layer, the standby instrument connection group of the second layer includes the standby He of instrument connection 1 of the second layer on right side The standby instrument connection 2 202 of the second layer in left side;The second layer test board is provided with second layer copper cash 21 and the standby copper cash of the second layer 20, the standby copper cash of the second layer is located at the periphery of the second layer copper cash, one end connection second of the second layer copper cash 21 Two groups of instrument connection 1 of layer and other end connection two groups of instrument connections 2 222 of the second layer, the second layer copper cash is in the second layer second Turned back back and forth between group instrument connection group and the rear end of second layer test board, one end connection second layer of the standby copper cash of the second layer Standby instrument connection 1 and the other end connection standby instrument connection 2 202 of the second layer, the standby copper cash 20 of the second layer is described the Turned back back and forth between the rear end of two layers of copper cash 21 and the rear end of second layer test board;
Positioned at five groups of instrument connection groups of third layer test board:The 4th group of instrument connection group of third layer, are followed successively by from front to back Three layers of the 3rd group of instrument connection group, second group of instrument connection group of third layer, first group of instrument connection group of third layer and the standby test of third layer Hole group, the 4th group of instrument connection group of the third layer include four groups of instrument connections one of third layer on right side and four groups of surveys of third layer in left side Prospect hole two, the 3rd group of instrument connection group of the third layer include three groups of instrument connections 1 of third layer on right side and the third layer in left side Three groups of instrument connections 2 332, described second group of instrument connection group of third layer include two groups of instrument connections 1 of third layer and the left side on right side Two groups of instrument connections two of third layer, one group of instrument connection one of third layer of described first group of instrument connection group of third layer including right side and a left side One group of instrument connection two of third layer of side, the standby instrument connection group of third layer include the standby instrument connection 1 of third layer on right side With the standby instrument connection 2 302 of third layer in left side;The third layer test board is provided with third layer copper cash 31 and the standby copper of third layer Line 30, the standby copper cash 30 of third layer are located at the periphery of the third layer copper cash 31, and one end of the third layer copper cash 31 connects Three groups of instrument connections 1 of third layer and other end connection three groups of instrument connections 2 332 of third layer are connect, the third layer copper cash is the 3rd Turned back back and forth between the 3rd group of instrument connection group of layer and the rear end of third layer test board, one end connection of the standby copper cash of third layer Two groups of instrument connections 1 of third layer and the other end connection standby instrument connection 2 302 of third layer, the standby copper cash 30 of third layer exists Turned back back and forth between the rear end of third layer copper cash 31 and the rear end of third layer test board;
Positioned at five groups of instrument connection groups of the 4th layer of test board:The 4th layer of the 4th group of instrument connection group, are followed successively by from front to back Four layers of the 3rd group of instrument connection group, the 4th layer of second group of instrument connection group, the 4th layer of first group of instrument connection group and the 4th layer of standby test Hole group, the 4th layer four of described 4th layer of the 4th group of instrument connection group the 4th layer of four groups of instrument connection 1 and left side including right side The of group instrument connection 2 442, the 4th layer of three groups of instrument connection one of described 4th layer of the 3rd group of instrument connection group including right side and left side Four layers of three groups of instrument connection two, described 4th layer of second group of instrument connection group the 4th layer of two groups of instrument connection one and left side including right side 4th layer of two groups of instrument connection two, described 4th layer of first group of instrument connection group include the 4th layer of one group of instrument connection one and the left side on right side The 4th layer of one group of instrument connection two, the 4th layer of standby instrument connection one of the 4th layer of standby instrument connection group including right side and left side The 4th layer of standby instrument connection two;The 4th layer of test board is provided with the 4th layer of copper cash, one end connection of the 4th layer of copper cash 4th layer of four groups of instrument connection one and the other end connect the 4th layer of four groups of instrument connection two, and the 4th layer of copper cash is at the 4th layer the 4th group Turned back back and forth between the rear end of instrument connection group and the 4th layer of test board;
Instrument connection between adjacent two layers test board is corresponded and communicated.
The line footpath of the first layer copper cash and the 4th layer of copper cash is all 4.85mil and length is all 12000mil.
The line footpath of the second layer copper cash and the third layer copper cash is all 5.15mil and length is all 12000mil.
The line footpath of the standby copper cash of the second layer and the standby copper cash of the third layer is all 5.15mil and length is all 5000mil。
Centre distance D between adjacent instrument connection group is 2.54mm.
Mutual conduction between instrument connection between adjacent two layers test board.
The course of work and operation principle of the present utility model are as follows:
Module body of the present utility model is designed as first layer test board, second layer test board, third layer test board and The four-layer structure of four layers of test board, the front end of every layer of test board are all sequentially provided with five groups of instrument connection groups from the front to the back, layer and layer it Between instrument connection correspond and communicate, be provided with the copper cash turned back back and forth in every layer of test board respectively, copper cash is regular length, this Utility model produces four layers of module body and four layers of PCB in production simultaneously, then tests mould by special measurement tool The change of the D.C. resistance of block body, so as to whether detect four layers of PCB copper thickness in accordance with design specification, the test of avoiding damage to property causes PCB's scraps, and practicality is good and easy to use;Standby copper cash separately is set in the second layer and third layer test board, when the second layer or During the conventional copper cash damage of third layer test board, standby copper cash can help meet an urgent need uses, ingenious in design reasonable, very easy to use, Practicality is good.
Embodiment of the present utility model is the foregoing is only, not thereby limits the scope of the claims of the present utility model, it is every The equivalent structure transformation made using the utility model specification and accompanying drawing content, or directly or indirectly it is used in other correlations Technical field, similarly it is included in scope of patent protection of the present utility model.

Claims (6)

  1. A kind of 1. four layers of PCB copper thickness test modules, it is characterised in that:Including module body, the module body includes first layer Test board (1), second layer test board (2), third layer test board (3) and the 4th layer of test board (4), by the length direction of test board It is defined as fore-and-aft direction and width is defined as left and right directions, the front end of every layer of test board is all provided with five groups of equidistantly distributed Instrument connection group and it is respectively:
    Positioned at five groups of instrument connection groups of first layer test board:First layer the 4th group of instrument connection group, first layer are followed successively by from front to back 3rd group of instrument connection group, second group of instrument connection group of first layer, first group of instrument connection group of first layer and the standby instrument connection group of first layer, The 4th group of instrument connection group of the first layer includes four groups of instrument connections one (141) of first layer on right side and four groups of surveys of first layer in left side Prospect hole two (142), the 3rd group of instrument connection group of the first layer three groups of instrument connections one (131) of first layer and left side including right side Three groups of instrument connections two (132) of first layer, described second group of instrument connection group of first layer include two groups of instrument connections one of first layer on right side (121) and left side two groups of instrument connections two (122) of first layer, described first group of instrument connection group of first layer include the first layer on right side One group of instrument connection one (111) and one group of instrument connection two (112) of first layer in left side, the standby instrument connection group of first layer include the right side The standby instrument connection one (101) of first layer of side and the standby instrument connection two (102) of first layer in left side;The first layer test board is set There are first layer copper cash (11), one end connection one group of instrument connection one of first layer and other end connection first layer of the first layer copper cash One group of instrument connection two, the first layer copper cash between first group of instrument connection group of first layer and the rear end of first layer test board back and forth Turn back;
    Positioned at five groups of instrument connection groups of second layer test board:The second layer the 4th group of instrument connection group, the second layer are followed successively by from front to back 3rd group of instrument connection group, second group of instrument connection group of the second layer, first group of instrument connection group of the second layer and the standby instrument connection group of the second layer, The 4th group of instrument connection group of the second layer includes four groups of instrument connections one of the second layer on right side and four groups of instrument connections of the second layer in left side Two, the 3rd group of instrument connection group of the second layer includes three groups of instrument connections one of the second layer on right side and three groups of tests of the second layer in left side Hole two, described second group of instrument connection group of the second layer include two groups of instrument connections one (221) of the second layer on right side and the second layer in left side Two groups of instrument connections two (222), described first group of instrument connection group of the second layer include one group of instrument connection one of the second layer and the left side on right side One group of instrument connection two of the second layer, the standby instrument connection group of the second layer includes the standby instrument connection one (201) of the second layer on right side With the standby instrument connection two (202) of the second layer in left side;The second layer test board is provided with second layer copper cash (21) and the second layer is standby With copper cash (20), the standby copper cash of the second layer is located at the periphery of the second layer copper cash, and the one of the second layer copper cash (21) End connection two groups of instrument connections one (221) of the second layer and other end connection two groups of instrument connections two (222) of the second layer, the second layer copper Line is turned back back and forth between second group of instrument connection group of the second layer and the rear end of second layer test board, the standby copper cash of the second layer The standby instrument connection one (201) of one end connection second layer and the other end connection standby instrument connection two (202) of the second layer, the second layer Standby copper cash (20) is turned back back and forth between the rear end of the second layer copper cash (21) and the rear end of second layer test board;
    Positioned at five groups of instrument connection groups of third layer test board:Third layer the 4th group of instrument connection group, third layer are followed successively by from front to back 3rd group of instrument connection group, second group of instrument connection group of third layer, first group of instrument connection group of third layer and the standby instrument connection group of third layer, The 4th group of instrument connection group of the third layer includes four groups of instrument connections one of third layer on right side and four groups of instrument connections of third layer in left side Two, the 3rd group of instrument connection group of the third layer includes three groups of instrument connections one (331) of third layer on right side and the third layer three in left side Group instrument connection two (332), described second group of instrument connection group of third layer include two groups of instrument connections one (321) of third layer and the left side on right side Two groups of instrument connections two of third layer of side, described first group of instrument connection group of third layer include one group of He of instrument connection one of third layer on right side One group of instrument connection two of third layer in left side, the standby instrument connection group of third layer include the standby instrument connection one of third layer on right side (301) and left side the standby instrument connection two (302) of third layer;The third layer test board is provided with third layer copper cash (31) and the 3rd The standby copper cash (30) of layer, the standby copper cash of third layer (30) are located at the periphery of the third layer copper cash (31), the third layer One end connection three groups of instrument connections one (331) of third layer and other end connection three groups of instrument connections two (332) of third layer of copper cash (31), The third layer copper cash is turned back back and forth between the 3rd group of instrument connection group of third layer and the rear end of third layer test board, and the described 3rd One end connection two groups of instrument connections one (321) of third layer of the standby copper cash of layer and the other end connection standby instrument connection two of third layer (302), the standby copper cash of the third layer (30) comes between the rear end of third layer copper cash (31) and the rear end of third layer test board Inflection is returned;
    Positioned at five groups of instrument connection groups of the 4th layer of test board:Be followed successively by from front to back the 4th layer of the 4th group of instrument connection group, the 4th layer 3rd group of instrument connection group, the 4th layer of second group of instrument connection group, the 4th layer of first group of instrument connection group and the 4th layer of standby instrument connection group, Described 4th layer of the 4th group of instrument connection group includes the 4th layer of four groups of instrument connection one (441) on right side and the 4th layer of four groups of survey in left side Prospect hole two (442), the 4th of described 4th layer of the 3rd group of instrument connection group the 4th layer of three groups of instrument connection one and left side including right side the The of three groups of instrument connection two of layer, the 4th layer of two groups of instrument connection one of described 4th layer of second group of instrument connection group including right side and left side Four layers of two groups of instrument connection two, described 4th layer of first group of instrument connection group the 4th layer of one group of instrument connection one and left side including right side 4th layer of one group of instrument connection two, four layer standby instrument connection one and left side of the 4th layer of standby instrument connection group including right side 4th layer of standby instrument connection two;The 4th layer of test board is provided with the 4th layer of copper cash, one end connection of the 4th layer of copper cash the Four layers of four groups of instrument connection one and the other end connect the 4th layer of four groups of instrument connection two, and the 4th layer of copper cash is in the 4th layer of the 4th group of survey Turned back back and forth between the rear end of prospect hole group and the 4th layer of test board;
    Instrument connection between adjacent two layers test board is corresponded and communicated.
  2. A kind of 2. four layers of PCB copper thickness test modules according to claim 1, it is characterised in that:The first layer copper cash with The line footpath of the 4th layer of copper cash is all 4.85mil and length is all 12000mil.
  3. A kind of 3. four layers of PCB copper thickness test modules according to claim 1, it is characterised in that:The second layer copper cash and The line footpath of the third layer copper cash is all 5.15mil and length is all 12000mil.
  4. A kind of 4. four layers of PCB copper thickness test modules according to claim 1, it is characterised in that:The standby copper of the second layer The line footpath of line and the standby copper cash of the third layer is all 5.15mil and length is all 5000mil.
  5. A kind of 5. four layers of PCB copper thickness test modules according to claim 1, it is characterised in that:Between adjacent instrument connection group Centre distance (D) be 2.54mm.
  6. A kind of 6. four layers of PCB copper thickness test modules according to claim 1, it is characterised in that:Adjacent two layers test board it Between instrument connection between mutual conduction.
CN201721274165.3U 2017-09-30 2017-09-30 A kind of four layers of PCB copper thickness test modules Active CN207215006U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201721274165.3U CN207215006U (en) 2017-09-30 2017-09-30 A kind of four layers of PCB copper thickness test modules

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201721274165.3U CN207215006U (en) 2017-09-30 2017-09-30 A kind of four layers of PCB copper thickness test modules

Publications (1)

Publication Number Publication Date
CN207215006U true CN207215006U (en) 2018-04-10

Family

ID=61820174

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201721274165.3U Active CN207215006U (en) 2017-09-30 2017-09-30 A kind of four layers of PCB copper thickness test modules

Country Status (1)

Country Link
CN (1) CN207215006U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111024020A (en) * 2019-12-18 2020-04-17 无锡深南电路有限公司 Method for measuring thickness of measuring tool plate and circuit board metal layer

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111024020A (en) * 2019-12-18 2020-04-17 无锡深南电路有限公司 Method for measuring thickness of measuring tool plate and circuit board metal layer

Similar Documents

Publication Publication Date Title
CN101697001B (en) Method for detecting positional deviation among layers of multilayer printed circuit board
CN102998369B (en) A kind of two dimension damage quantitative monitoring method
CN107920423A (en) Drilling machine and drilling production method
CN207215006U (en) A kind of four layers of PCB copper thickness test modules
CN104359817B (en) Shale core crack extension analyzing device and method
CN104075830B (en) A kind of large scale grinding wafer residual stress test method
CN103607852A (en) Printed circuit board core transplanting method
CN205718933U (en) A kind of automated production detection equipment
CN205249636U (en) To accuracy detection module between multilayer PCB layer
CN207215007U (en) A kind of six layers of PCB copper thickness test modules
CN107148149A (en) PCB bore process based on face induction technology
CN201253780Y (en) Circuit board drilling depth testing block
CN103363944B (en) A kind of desmearing stings the method for testing of erosion rate and the uniformity
CN101769713A (en) Internal resistance detection method of internal layer line layer copper thickness in multi-layer printing circuit board
WO2021051647A1 (en) Back-drilling nondestructive testing method for pcb
CN207095504U (en) A kind of structure for HDI plates detection laser drill precision
CN203446096U (en) Multilayer circuit board and drilling depth testing circuit thereof
CN208847071U (en) A kind of hand-held cubing of the dashboard cross member improving detection efficiency
CN110824021A (en) A standard test block subassembly for additive manufacturing nondestructive test
CN205336648U (en) Printed circuit board secondary drilling leak protection detects structure
CN205192420U (en) Test piece that squints within a definite time layer upon layer in control multilayer printed circuit board
CN209593896U (en) A kind of reliability evaluation multilayer circuit board
CN203912324U (en) Multilayer circuit board with high qualified rate of mechanical boring
CN203642818U (en) No-go gauge used for detecting automobile instrument board injection molding products
CN107645835A (en) A kind of method that initial workpiece checks off normal that drills

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant