CN209167385U - The resistance trimming probe card of multifunctional thick film hybrid circuit - Google Patents
The resistance trimming probe card of multifunctional thick film hybrid circuit Download PDFInfo
- Publication number
- CN209167385U CN209167385U CN201821726787.XU CN201821726787U CN209167385U CN 209167385 U CN209167385 U CN 209167385U CN 201821726787 U CN201821726787 U CN 201821726787U CN 209167385 U CN209167385 U CN 209167385U
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- Prior art keywords
- probe
- graticule
- probe card
- disk
- board
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- 239000000523 sample Substances 0.000 title claims abstract description 122
- 238000009966 trimming Methods 0.000 title claims abstract description 21
- 238000003466 welding Methods 0.000 claims abstract description 28
- 230000000994 depressogenic effect Effects 0.000 claims abstract description 6
- 239000000758 substrate Substances 0.000 claims description 8
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000013461 design Methods 0.000 description 13
- 238000000034 method Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 6
- 238000005457 optimization Methods 0.000 description 6
- 238000001514 detection method Methods 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 239000011889 copper foil Substances 0.000 description 2
- 238000003032 molecular docking Methods 0.000 description 2
- 238000005245 sintering Methods 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000007650 screen-printing Methods 0.000 description 1
- 230000011218 segmentation Effects 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
Landscapes
- Testing Or Measuring Of Semiconductors Or The Like (AREA)
- Measuring Leads Or Probes (AREA)
Abstract
The utility model discloses a kind of resistance trimming probe cards of multifunctional thick film hybrid circuit, including board golden finger and probe disk, the lower end of board golden finger is connected to removable wire jumper, the lower section of removable wire jumper is equipped with probe disk, probe disk is equipped with the vertical righting bayonet lock of probe, and the center of probe disk is dismountable central part, is equipped with quick centring graticule in dismountable central part, it is provided with removable aperture on the diagonal line of quick centring graticule, is equipped with Multi-function extension depressed place below probe disk.The utility model has the following beneficial effects: probe card can be assembled into welding fixture, multi-purpose content is simultaneously reusable；Probe card has probe righting bayonet lock, so that probe weldering handle is perpendicular to probe card, it is easy to use；Probe card can connect various ports and facilitate extension function；To the biggish circuit board of site density, a variety of behaves is taken to avoid local probe density excessive；Probe card circuitry Optimal Structure Designing, low in cost, ease for use is good.
Description
Technical field:
The utility model relates to thick film hybrid detection technique fields, and in particular to a kind of multi-functional multifunctional thick film is mixed
Close the resistance trimming probe card of circuit.
Background technique:
With the development of microelectric technique, thick film hybrid integrated circuit is the features such as high reliability and more next due to low cost
More it is widely used in aerospace electron, satellite communication, computer, automobile, microwave equipment and household electrical appliance etc..Make in thick film circuit
Resistance generallys use the method production of silk-screen printing, high temperature sintering, because of the intrinsic poor accuracy of its production method, substrate table
Face is uneven and the reasons such as the nonrepeatability of sintering condition, causes sintered resistance precision not high, is needed thus to burning
Resistance after knot is accurately adjusted.
Comparatively, laser resistor trimming has become at present most often due to having the characteristics that high-precision, high efficiency, pollution-free
Resistance method for repairing and regulating.Its principle is to measure resistance to be adjusted first, if in adjustable extent, laser is opened for numerical value
Resistance trimming is carried out by specified path.Laser issues the hot spot that pulse laser beam focuses very little after opening, to the effective of thick-film resistor
Region is cut, and is allowed to melt, be evaporated, and is adjusted by the effective conductive area or effective length that change thick-film resistor conductor thick
Film resistance resistance value, resistance value, which can only tune up, to be turned down.
To do is to probe card welding assemblies first in laser resistor trimming technique.Probe card welding assembly refers to according to base to be adjusted
Plate surface layer figure, on probe welding middle probe card so that all probe tips are in a plane, and with substrate pair to be adjusted
Position is answered to come into full contact with, so that laser resistance adjuster carries out real-time measurement to substrate resistance.So the precision of probe card welding assembly
The quality of resistance trimming is directly affected, and one piece of superior probe card of design can play a multiplier effect to welding.
Resistance trimming probe card currently used in the market has the shortcomings that welding efficiency is low, welding precision is low, poor reliability.
Meanwhile debug, install it is very inconvenient, need to make a large amount of change to laser resistor trimming device, greatly reduce welding resistance trimming
The quality and working efficiency of probe card.
Utility model content:
Probe card can be improved the technical problem to be solved by the utility model is to provide one kind and probe welding efficiency is more
The resistance trimming probe card of function thick-film hybrid circuit, powerful, reusable and structure is simple, installation and easy to maintain.
The following technical solution is employed for technical problem to be solved in the utility model to realize:
A kind of resistance trimming probe card of multifunctional thick film hybrid circuit, including board golden finger and probe disk, the board gold
The lower end of finger is connected to removable wire jumper, and the lower section of the removable wire jumper is equipped with probe disk, and the probe disk hangs down equipped with probe
For straight righting bayonet lock, and then being equipped with probe disk reinforced hole at the vertical righting bayonet lock of the probe, the center of the probe disk is can
Central part is removed, quick centring graticule is equipped in the dismountable central part, is arranged on the diagonal line of the quick centring graticule
There is removable aperture, is equipped with Multi-function extension depressed place below the probe disk.
Preferably, the board is surrounded by board combination bore, and the other end of the board combination bore connects spare probe
Card, the board is combined with spare probe card by the connection of board combination bore, as welding platform.
Preferably, the quick centring graticule includes the first quick centring graticule, in the first quick centring graticule according to
It is secondary to be equipped with the second quick centring graticule, third quick centring graticule, the 4th quick centring graticule and the 5th quick centring graticule, five
The distance between quick centring graticule described in item is equal, and size is gradually reduced.
Preferably, the board is the expansible probe welded disc in 32/64 tunnel of R foot rectangle, and two-sided is circuit substrate.
Preferably, removable wire jumper righting bayonet lock vertical with probe is arranged on exploration card needle passageway.Facilitate exploration needle
Vertical fixation.
The utility model has the following beneficial effects:
(1) probe card can be assembled into welding fixture, and multi-purpose content is simultaneously reusable；
(2) probe card has probe righting bayonet lock, so that probe weldering handle is perpendicular to probe card, it is easy to use；
(3) probe card can connect various ports and facilitate extension function；
(4) to the biggish circuit board of site density, a variety of behaves is taken to avoid local probe density excessive；
(5) probe card circuitry Optimal Structure Designing, low in cost, ease for use is good.
Detailed description of the invention:
Fig. 1 is the planar structure schematic diagram of the utility model；
Fig. 2 is the structural schematic diagram of quick centring graticule in the utility model；
Fig. 3 is the pin schematic diagram of the utility model board golden finger；
Fig. 4 is the pin schematic diagram of the removable wire jumper of the utility model；
Fig. 5 is the pin schematic diagram of 32/64 road detection window pad of the utility model；
Fig. 6 is the pin schematic diagram in the utility model Multi-function extension depressed place；
Wherein: 1- board golden finger；The removable wire jumper of 2-；3- probe disk；The vertical righting bayonet lock of 4- probe；During 5- is dismountable
Center portion；6- quick centring graticule；601- the first quick centring graticule；602- the second quick centring graticule；603- third is quickly right
Middle graticule；The 4th quick centring graticule of 604-；The 5th quick centring graticule of 605-；The removable aperture of 7-；8- probe disk reinforced hole；9-
Multi-function extension depressed place；10- board combination bore.
Specific embodiment:
In the description of the present invention, it should be noted that the instructions such as term "vertical", "upper", "lower", "horizontal"
Orientation or positional relationship is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of description the utility model and simplification
Description, rather than the device or element of indication or suggestion meaning must have a particular orientation, constructed and grasped with specific orientation
Make, therefore should not be understood as limiting the present invention.
In the description of the present invention, it should also be noted that, unless otherwise clearly defined and limited, term " is set
Set ", " installation ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection,
Or it is integrally connected；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, intermediary can also be passed through
It is indirectly connected, can be the connection inside two elements.It for the ordinary skill in the art, can be according to specific feelings
Condition understands the concrete meaning of above-mentioned term in the present invention.
In order to be easy to understand the technical means, creative features, achievement of purpose, and effectiveness of the utility model, under
Face combines and is specifically illustrating, and the utility model is further described.
Embodiment 1
It please refers to shown in Fig. 1-6, a kind of resistance trimming probe card of multifunctional thick film hybrid circuit, including 1 He of board golden finger
Probe disk 3, the lower end of the board golden finger 1 are connected to removable wire jumper 2, and the lower section of the removable wire jumper 2 is equipped with probe disk 3,
The probe disk 3 is equipped with the vertical righting bayonet lock 4 of probe and adds, and then being equipped with probe disk at the vertical righting bayonet lock 4 of the probe
Strong hole 8, the center of the probe disk 3 are dismountable central part 5, are equipped with quick centring graticule 6 in the dismountable central part 5,
It is provided with removable aperture 7 on the diagonal line of the quick centring graticule 6, is equipped with Multi-function extension depressed place 9 below the probe disk 3.
In the present embodiment, board is the expansible probe welded disc in 32/64 tunnel of R foot rectangle, and two-sided is circuit substrate.
In the present embodiment, removable wire jumper 2 righting bayonet lock 4 vertical with probe is arranged on exploration card needle passageway.Facilitate exploration
The vertical fixation of needle.Probe card has probe righting bayonet lock, so that probe weldering handle is perpendicular to probe card, it is easy to use: probe
Probe shaft is required to be basically perpendicular to welding surface when card welding, guarantee probe pins in this way will not be slided when detecting.The utility model
Probe righting bayonet lock is specially devised for this requirement, significantly shortens resistance trimming preparation process.
Design innovation:
(1) probe card can connect various ports and facilitate extension function.
The utility model design has docking station, can complete such as extended channel and carry out the task of active detection using it.
(2) to the biggish circuit board of site density, a variety of behaves is taken to avoid local probe density excessive.
Since the general board of thick film hybrid is smaller, it is larger to need to detect resistance trimming device density, often results in probe
It is big to weld density, brings problem to welding and use.The utility model successfully avoids this puzzlement, Yong Huke by a variety of methods
Probe is rationally uniformly distributed by the methods of segmentation pad, the removable wire jumper of connection.
(3) probe card circuitry Optimal Structure Designing, low in cost, ease for use is good.
Using multi-redundant circuit design, and hold multiple functions and be integrated, to the full extent Optimization Design of Electronic Circuits, compared with
Simplify for complicated operation, is easy to grasp, improves the applicability of detection.
Performance optimization innovation:
(1) configuration design of compatible mainstream standard test card
The probe card of completely compatible 6.5*8.125 inches of the standard of its size.
(2) window design after optimizing
After the distortion for considering galvanometer and the optimal efficiency-cost ratio of thick film circuit, window effective area is optimized for 65*65mm
(after the length 15mm of probe is added, actually active window is 50*50mm).
(3) unique, novel, beautiful pad design
The expansible probe pad in 32/64 tunnel is designed as to beautiful round rectangle, the position of test probe is facilitated to fix；And
Have reinforcement pad design, to reduce soldering iron multiple welding and caused by copper foil warping phenomenon；It all can be used and reinforce pad to realize
The mode that spininess is tied up is coupled to be brazed after tentatively fixing, and can achieve the purpose of optimization pressure channel quantity.Using extension
Single pad can also be formed separately to double pad extensions, and wire jumper tie point after each pad when function.
(4) convenient removable wire jumper interface
There is removable wire jumper to design in the design of board golden finger front end leading-out portion, is closed convenient for optimization measuring point and the connection for exporting end
System can achieve the purpose of optimization pressure channel quantity.
Embodiment 2
Refering to Figure 1, the present embodiment structure and the structure of embodiment 1 are essentially identical, something in common is repeated no more, plate
Card is surrounded by board combination bore 10, and the other end of the board combination bore 10 connects spare probe card, the board with it is spare
Probe card is by the connection combination of board combination bore 10, as welding platform.
Probe card can be assembled into welding fixture, and multi-purpose content is simultaneously reusable: in welding process, due to welding surface and visiting
Not in one plane, and probe pins will substantially in one plane after the completion of welding for stitch, this is just caused to welding
Certain difficulty, general settling mode are that the special jig of production facilitates welding.The utility model dexterously solves this hardly possible
Topic, using spare probe card by combination, directly as welding platform.
Embodiment 3
It please referring to shown in Fig. 1-2, the present embodiment structure and the structure of embodiment 1 are essentially identical, and something in common repeats no more,
Quick centring graticule 6 includes the first quick centring graticule 601, and it is fast that second is successively arranged in the first quick centring graticule 601
Fast centering graticule 602, third quick centring graticule 603, the 4th quick centring graticule 604 and the 5th quick centring graticule 605, five
The distance between quick centring graticule 6 described in item is equal, and size is gradually reduced.
Working principle of the utility model is:
Probe card designs are the beautiful 32/64 expansible probe pad in tunnel of R angular moment shape, using double-sided circuit substrate, ruler
Very little completely compatible standard probe card.Center effective operation window optimization is designed as 50*50mm.
Probe card front be 32 channel probe welded discs, each channel can direct weld probe, can also according to demand may be used
It splits as two autonomous channels, probe is respectively welded, so 32 channels can at most be extended to 64.
The every channel of probe card is equipped with removable wire jumper and the vertical righting bayonet lock of probe, facilitates the vertical fixation of test probe,
Most channels can fix 3 probes.Each channel is designed with 3 reinforced holes, and this design is first is that can avoid multiple welding
Copper foil warpage is caused, second is that multiple probes are tied up using reinforced hole, to optimize channel number.
Spare probe card central part is designed equipped with quick centring graticule, to facilitate the quick standard of board under test thick film substrate
True centering positioning (central part must remove when really as probe card use).The spare probe for selecting middle section not remove
Card, can be used as component by quadrangle support component and is connected to become probe card welding fixture frame.Jig holder function is first is that facilitate probe
Welding, second is that storage convenient for collecting.
Probe card is additionally provided with powerful docking station, can according to need installation expansion interface, for example carry out active survey
Examination and adjunction board realize 32/64 tunnel of a control conversion extension function.
The basic principles and main features of the present invention and the advantages of the present invention have been shown and described above.Current row
The technical staff of industry is described in above embodiments and description it should be appreciated that the present utility model is not limited to the above embodiments
Only illustrate the principles of the present invention, on the premise of not departing from the spirit and scope of the utility model, the utility model is also
It will have various changes and improvements, these various changes and improvements fall within the scope of the claimed invention.The utility model
Claimed range is defined by the appending claims and its equivalent thereof.
Claims (5)
1. a kind of resistance trimming probe card of multifunctional thick film hybrid circuit, it is characterised in that: including board golden finger (1) and probe disk
(3), the lower end of the board golden finger (1) is connected to removable wire jumper (2), and the lower section of the removable wire jumper (2) is equipped with probe disk
(3), the probe disk (3) is equipped with the vertical righting bayonet lock (4) of probe, and then setting at the vertical righting bayonet lock (4) of the probe
There is a probe disk reinforced hole (8), the center of the probe disk (3) is dismountable central part (5), in the dismountable central part (5)
Equipped with quick centring graticule (6), it is provided with removable aperture (7) on the diagonal line of the quick centring graticule (6), the probe disk
(3) lower section is equipped with Multi-function extension depressed place (9).
2. the resistance trimming probe card of multifunctional thick film hybrid circuit according to claim 1, it is characterised in that: the board four
Week is equipped with board combination bore (10), and the other end of the board combination bore (10) connects spare probe card, the board with it is spare
Probe card is by board combination bore (10) connection combination, as welding platform.
3. the resistance trimming probe card of multifunctional thick film hybrid circuit according to claim 1, it is characterised in that: described quickly right
Middle graticule (6) includes the first quick centring graticule (601), and it is fast that second is successively arranged in the first quick centring graticule (601)
Fast centering graticule (602), third quick centring graticule (603), the 4th quick centring graticule (604) and the 5th quick centring graticule
(605), the distance between five described quick centring graticules (6) are equal, and size is gradually reduced.
4. the resistance trimming probe card of multifunctional thick film hybrid circuit according to claim 1, it is characterised in that: the board is
The expansible probe welded disc in 32/64 tunnel of R foot rectangle, and two-sided is circuit substrate.
5. the resistance trimming probe card of multifunctional thick film hybrid circuit according to claim 1, it is characterised in that: the removable jump
Line (2) righting bayonet lock (4) vertical with probe is arranged on exploration card needle passageway.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821726787.XU CN209167385U (en) | 2018-10-24 | 2018-10-24 | The resistance trimming probe card of multifunctional thick film hybrid circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821726787.XU CN209167385U (en) | 2018-10-24 | 2018-10-24 | The resistance trimming probe card of multifunctional thick film hybrid circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209167385U true CN209167385U (en) | 2019-07-26 |
Family
ID=67334930
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821726787.XU Withdrawn - After Issue CN209167385U (en) | 2018-10-24 | 2018-10-24 | The resistance trimming probe card of multifunctional thick film hybrid circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209167385U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109239422A (en) * | 2018-10-24 | 2019-01-18 | 安徽爱意爱机电科技有限公司 | Probe card used in resistance adjustment process after thick film hybrid sintering |
-
2018
- 2018-10-24 CN CN201821726787.XU patent/CN209167385U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109239422A (en) * | 2018-10-24 | 2019-01-18 | 安徽爱意爱机电科技有限公司 | Probe card used in resistance adjustment process after thick film hybrid sintering |
| CN109239422B (en) * | 2018-10-24 | 2023-11-21 | 安徽爱意爱机电科技有限公司 | Probe card used in resistance value adjusting process of resistor after sintering thick film hybrid circuit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20190726 Effective date of abandoning: 20231121 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20190726 Effective date of abandoning: 20231121 |