CN101022700B - Printing circuit board and method for testing anisotropic conducting membrance - Google Patents
Printing circuit board and method for testing anisotropic conducting membrance Download PDFInfo
- Publication number
- CN101022700B CN101022700B CN2007100896086A CN200710089608A CN101022700B CN 101022700 B CN101022700 B CN 101022700B CN 2007100896086 A CN2007100896086 A CN 2007100896086A CN 200710089608 A CN200710089608 A CN 200710089608A CN 101022700 B CN101022700 B CN 101022700B
- Authority
- CN
- China
- Prior art keywords
- intensity
- light reflection
- circuit board
- pcb
- printed circuit
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Electric Connection Of Electric Components To Printed Circuits (AREA)
Abstract
A printed circuit board is prepared as arranging conductive terminals on base plate in column mode and setting detection region between said conductive terminals and covering dyestuff coat on said detection region.
Description
Technical field
The invention relates to a kind of printed circuit board (PCB) and detection method thereof, particularly about a kind of printed circuit board (PCB) and detect the method for the anisotropic conducting membrance on it.
Background technology
(printed circuit board PCB) installs and the main support body of pegging graft for electronic component printed circuit board (PCB), and it provides the interconnection transmission platform, and the function of every spare part is brought into play.
In the manufacture process of display apparatus module, (anisotropicconductive film ACF) is electrical connected two parts can to utilize anisotropic conducting rubber usually.
In present liquid crystal panel manufacturing process, normally after making glass substrate, go up at the conducting terminal (lead) at glass substrate edge earlier and attach anisotropic conducting rubber, again the anisotropic conducting rubber that attaches is utilized the heater heating, then in the encapsulation of the temporary transient pressing coil type of a predetermined space (tape carrier package, TCP).Afterwards, in coil type encapsulation top heating, the coil type encapsulation is crimped on glass substrate again.
Then, on the conducting terminal of printed circuit board (PCB), attach anisotropic conducting rubber,, and utilize the anisotropic conducting rubber on the printed circuit board (PCB) to engage printed circuit board (PCB) and coil type encapsulation then with a plurality of coil type encapsulation and printed circuit board (PCB) aligned position on the panel.
Owing to must be first anisotropic conducting rubber be attached on one of them the conducting terminal in the part that two needs are bonded with each other, just can then carry out the pressing manufacture craft then, therefore usually before carrying out the pressing manufacture craft, the attaching that can carry out earlier detects, to determine whether anisotropic conducting rubber attaches.
Because can change conducting terminal after anisotropic conducting rubber attaches on the conducting terminal to reflection of light intensity, so the general at present detection method of using is by a little less than the reflective light intensity that detects specific region on the conducting terminal, judges with this whether anisotropic conducting rubber has attaching thereon.Yet, because of the difference on the manufacture craft, the printed circuit board (PCB) of different batches, the printed circuit board (PCB) of different manufacturers particularly, its conducting terminal itself there are differences reflection of light intensity, and, cause the detection of anisotropic conducting rubber correctly to judge because manufacture craft is difficult for management and control, thereby can directly influence a little less than the reflective light intensity of this specific region to be detected.
Summary of the invention
For solving above problem, the invention provides a kind of printed circuit board (PCB) and detect the method for the anisotropic conducting membrance on it, use the disclosed problem that causes the detection of anisotropic conducting rubber correctly to judge because of manufacture craft difference of known technology that solves.
For reaching above-mentioned purpose, printed circuit board (PCB) of the present invention comprises: substrate, conducting terminal, first detection zone and first pigment coated.Wherein, conducting terminal becomes row to be arranged on the substrate.Substrate is provided with first detection zone, between conducting terminal, and is coated with first pigment coated on it.
In another embodiment of the present invention, on the substrate of this printed circuit board (PCB) second detection zone can be set more, be coated with second pigment coated on it; Wherein, first pigment coatedly can be identical with the second pigment coated color or for different.
The present invention also discloses a kind of method that detects the anisotropic conducting membrance (ACF) on the printed circuit board (PCB), this printed circuit board (PCB) has into a plurality of conducting terminals that row are provided with, be provided with a detection zone between those conducting terminals, and be coated with pigment coated on this detection zone, and can attach anisotropic conducting membrance on those conducting terminals, this detection method comprises: set an intensity of light reflection threshold value; Detect the intensity of light reflection value of detection zone; And the intensity of light reflection value and the intensity of light reflection threshold value that relatively detect gained, judge whether anisotropic conducting membrance is attached on this printed circuit board (PCB).
Because whether pigment coated keyholed back plate precision height has the attaching anisotropic conducting membrance on the printed circuit board (PCB) that therefore can judge rightly.
About feature of the present invention and advantage, be described in detail below with preferred embodiment and conjunction with figs..
Description of drawings
Figure 1A is the structural representation of printed circuit board (PCB) of the present invention;
Figure 1B is the structural upright exploded view of printed circuit board (PCB) of the present invention; And
Fig. 2 is the method flow diagram according to the anisotropic conducting membrance (ACF) on the detection printed circuit board (PCB) of the present invention.
Embodiment
Below enumerate specific embodiment describing content of the present invention in detail, and with accompanying drawing as aid illustration.
Figure 1A and 1B are printed circuit board (PCB) schematic diagram of the present invention, and printed circuit board (PCB) comprises: substrate 110, conducting terminal (lead) 130, detection zone 150 and pigment coated 152.
130 one-tenth row of conducting terminal are arranged on the substrate 110, one or more detection zones 150 are set between conducting terminal 130, and are coated with pigment coated 152 on detection zone 150.
Wherein, pigment coated 152 be preferably the coating that uses colour stable; Definite, pigment coated 152 are not subject to environmental condition (for example: temperature, humidity etc.) influence.In preferred embodiment, but pigment coated 152 chemically-resistant solvents, and particularly wanting can anti-chemical solvent commonly used (for example: alcohol, acetone etc.).
In addition, between a row conducting terminal 130, one or more detection zones 150 can be set, and pigment coated 152 on each detection zone 150 can be identical or different color.
Because pigment coated 152 its colors of keyholed back plate stably, that is pigment coated 152 intensity of light reflection keyholed back plate stably, therefore when an anisotropic conducting rubber (ACF) 170 is attached on conducting terminal 130 and the detection zone 150, promptly can be positively pigment coated 152 intensity of light reflection be impacted.Thus, judge when whether attaching anisotropic conducting membrance 170 on the printed circuit board (PCB) utilize detecting intensity of light reflection, the power of intensity of light reflection that can be by detecting pigment coated 152 on the detection zone 150, and the attaching of the anisotropic conducting membrance 170 that judges rightly is whether.
Fig. 2 is the method flow diagram of the anisotropic conducting membrance on the detection printed circuit board (PCB) of the present invention.This printed circuit board (PCB) has into a plurality of conducting terminals that row are provided with, and has one or more pigment coated detection zones that are coated with, and it is arranged at respectively between two conducting terminals.Pigment coated on each detection zone can be identical or different color.
In this detection method, set an intensity of light reflection threshold value (step 210) earlier.This intensity of light reflection threshold value is according to pigment coated setting that is covered on the printed circuit board (PCB) to be detected on the detection zone.In other words, when anisotropic conducting membrance is attached on the detection zone, if can be lower than this pigment coated intensity of light reflection value because of covering the pigment coated pigment coated intensity of light reflection value reduction that causes, then this intensity of light reflection threshold value being set for.Otherwise, when anisotropic conducting membrance is attached on the detection zone, if can be higher than pigment coated intensity of light reflection value because of covering the pigment coated pigment coated intensity of light reflection value increase that causes, then this intensity of light reflection threshold value being set for.Anisotropic conducting membrance system is attached on the conducting terminal, and part is covered on the detection zone.Moreover, also the intensity of light reflection threshold value can be set for the intensity of light reflection that equals pigment coated, or set the some number ranges that comprise pigment coated intensity of light reflection value for.
Then, detect the intensity of light reflection value (step 230) that is arranged between the conducting terminal and is coated with pigment coated detection zone; That is the pigment coated intensity of light reflection that is covered on the detection detection zone.
Then, with detect the intensity of light reflection value compare (step 250) with the intensity of light reflection threshold value, can judge anisotropic conducting membrance and whether be attached on the printed circuit board (PCB).Definite, by detect the intensity of light reflection value be higher or lower than or equal the intensity of light reflection threshold value, can judge anisotropic conducting membrance and whether attach thereon.For instance, when threshold value is configured to be lower than pigment coated intensity of light reflection value, detect the intensity of light reflection value be equal to or less than the intensity of light reflection threshold value and promptly represent to be pasted with on the printed circuit board (PCB) anisotropic conducting membrance; Otherwise, promptly represent not to be pasted with on the printed circuit board (PCB) anisotropic conducting membrance.When the intensity of light reflection threshold value is configured to be higher than pigment coated intensity of light reflection value, detect the intensity of light reflection value be equal to or higher than the intensity of light reflection threshold value and promptly represent to be pasted with on the printed circuit board (PCB) anisotropic conducting membrance; Otherwise, promptly represent not to be pasted with on the printed circuit board (PCB) anisotropic conducting membrance.In addition, be configured to the intensity of light reflection that equals pigment coated when the intensity of light reflection threshold value, or when setting the number range that comprises pigment coated intensity of light reflection value for, detect the intensity of light reflection value fall within outside the scope of intensity of light reflection threshold value and promptly represent to be pasted with on the printed circuit board (PCB); Otherwise, promptly represent not to be pasted with on the printed circuit board (PCB) anisotropic conducting membrance.
Said, printed circuit board (PCB) and detection method according to the present invention's exposure, the detection zone that is coated with color coating is set between the conducting terminal of printed circuit board (PCB), owing to when anisotropic conducting membrance attaches on the conducting terminal, can change the intensity of light reflection of color coating conscientiously, so can be correctly by detecting intensity of light reflection variation judgement anisotropic conducting membrance attaching whether.
Though the present invention discloses as above with aforesaid preferred embodiment; right its is not in order to limit the present invention; anyly have the knack of related art techniques person; without departing from the spirit and scope of the present invention; when doing a little change and retouching, therefore scope of patent protection of the present invention is as the criterion with the scope that claims were defined.
Claims (9)
1. printed circuit board (PCB) comprises:
Substrate, this substrate is provided with first detection zone;
A plurality of conducting terminals become row to be arranged on this substrate, and wherein this first detection zone is between those conducting terminals; And
First is pigment coated, is covered on this first detection zone, has an intensity of light reflection;
One anisotropic conducting membrance is attached on described conducting terminal and this detection zone, in order to detecting this intensity of light reflection value of this detection zone, and the intensity of light reflection threshold value of this intensity of light reflection value that relatively should detect and a setting.
2. printed circuit board (PCB) as claimed in claim 1 is characterized in that, be provided with second detection zone on this substrate in addition, and this printed circuit board (PCB) comprises more:
Second is pigment coated, is covered on this second detection zone, and wherein this first pigment coated color is identical with this second pigment coated color.
3. printed circuit board (PCB) as claimed in claim 1 is characterized in that, be provided with second detection zone on this substrate in addition, and this printed circuit board (PCB) comprises more:
Second is pigment coated, is covered on this second detection zone, and wherein the pigment coated color of this first pigment coated color and this second is inequality.
4. method that detects the anisotropic conducting membrance on the printed circuit board (PCB), this printed circuit board (PCB) has into a plurality of conducting terminals that row are provided with, be provided with detection zone between those conducting terminals, and be coated with pigment coated on this detection zone, can attach anisotropic conducting membrance on those conducting terminals, this detection method comprises:
Set the intensity of light reflection threshold value;
Detect the intensity of light reflection value of this detection zone; And
Relatively detect this intensity of light reflection value and this intensity of light reflection threshold value, and judge whether this anisotropic conducting membrance is attached on this printed circuit board (PCB).
5. the method for the anisotropic conducting membrance on the detection printed circuit board (PCB) as claimed in claim 4 is characterized in that, the step of setting this intensity of light reflection threshold value comprises: set this intensity of light reflection threshold value according to this pigment coated intensity of light reflection.
6. the method for the anisotropic conducting membrance on the detection printed circuit board (PCB) as claimed in claim 5 is characterized in that, the step of setting this intensity of light reflection threshold value comprises: this intensity of light reflection threshold value is set at less than this pigment coated intensity of light reflection.
7. the method for the anisotropic conducting membrance on the detection printed circuit board (PCB) as claimed in claim 5 is characterized in that, the step of setting this intensity of light reflection threshold value comprises: this intensity of light reflection threshold value is set at greater than this pigment coated intensity of light reflection.
8. the method for the anisotropic conducting membrance on the detection printed circuit board (PCB) as claimed in claim 5 is characterized in that, the step of setting this intensity of light reflection threshold value comprises: this intensity of light reflection threshold value is set at equals this pigment coated intensity of light reflection.
9. the method for the anisotropic conducting membrance on the detection printed circuit board (PCB) as claimed in claim 5, it is characterized in that the step of setting this intensity of light reflection threshold value comprises: this intensity of light reflection threshold value is set at an intensity of light reflection value scope that contains this pigment coated intensity of light reflection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007100896086A CN101022700B (en) | 2007-03-19 | 2007-03-19 | Printing circuit board and method for testing anisotropic conducting membrance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007100896086A CN101022700B (en) | 2007-03-19 | 2007-03-19 | Printing circuit board and method for testing anisotropic conducting membrance |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101022700A CN101022700A (en) | 2007-08-22 |
| CN101022700B true CN101022700B (en) | 2010-09-01 |
Family
ID=38710313
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2007100896086A Expired - Fee Related CN101022700B (en) | 2007-03-19 | 2007-03-19 | Printing circuit board and method for testing anisotropic conducting membrance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101022700B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101907454A (en) * | 2010-07-06 | 2010-12-08 | 竞华电子(深圳)有限公司 | Method for measuring expansion and shrinkage of printed circuit board, and printed circuit board |
| CN103353914A (en) * | 2013-07-10 | 2013-10-16 | 台安科技(无锡)有限公司 | Method for examining PCB efficiently |
| CN108015013A (en) * | 2016-10-28 | 2018-05-11 | 荣旗工业科技（苏州）有限公司 | A kind of mobile phone conducting resinl detection device and its application |
| CN107008666B (en) * | 2017-05-19 | 2018-10-23 | 郑州云海信息技术有限公司 | A kind of simple type snap-gauge quality detection device |
| CN114113138A (en) * | 2021-11-22 | 2022-03-01 | 合肥维信诺科技有限公司 | Product registration detection device |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1487784A (en) * | 2002-07-03 | 2004-04-07 | 株式会社电装 | Protection film coated on basic plate for multi-layer substrate formation use, apparatus and method for checking basic plates |
-
2007
- 2007-03-19 CN CN2007100896086A patent/CN101022700B/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1487784A (en) * | 2002-07-03 | 2004-04-07 | 株式会社电装 | Protection film coated on basic plate for multi-layer substrate formation use, apparatus and method for checking basic plates |
Non-Patent Citations (1)
| Title |
|---|
| JP特开2000-221140A 2000.08.11 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101022700A (en) | 2007-08-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101022700B (en) | Printing circuit board and method for testing anisotropic conducting membrance | |
| US10319890B2 (en) | Systems for adhesive bonding of electronic devices | |
| CN102804116B (en) | Resistive film touch panel with pressing detection function | |
| CN101681858B (en) | Electronic component connecting method and joined body | |
| US11347125B2 (en) | Electronic paper display screen and manufacturing method thereof | |
| US10344189B2 (en) | Conductive adhesives | |
| CN106872881A (en) | A kind of circuit board testing device, method and system | |
| CN103323963A (en) | Display module, detection circuit of display module and manufacturing method thereof | |
| CN102232096B (en) | Connecting film, joined body, and manufacturing method therefor | |
| CN113781920A (en) | High-density transparent flexible display screen and manufacturing method thereof | |
| CN111901586B (en) | Camera grounding intelligent test system and method | |
| US20100206728A1 (en) | Biochemical test system, measurement device, and biochemical test strip | |
| CN215868464U (en) | High-density transparent flexible display screen | |
| WO2022088763A1 (en) | Display screen having design compatible with flash memory circuit and smart module | |
| CN215592975U (en) | Gasket assembly and coil module | |
| CN113658974B (en) | Light-emitting substrate, preparation method thereof, testing method thereof and display device | |
| CN216209658U (en) | Flexible circuit board, binding test device and binding structure of OLED device | |
| US5926379A (en) | Electronic card assembly by means of solder connections | |
| KR102261617B1 (en) | Adhesive composition, circuit connecting material, circuit connection structrue, and adhesive sheet | |
| CN103324571B (en) | A kind of method and system thereof of testing GPS module on embedded PCB A | |
| US6458608B1 (en) | Alignment check method on printed circuit board | |
| JP2006210610A (en) | Substrate, detecting method of acf pasting, and manufacturing method of electronic device | |
| CN110615153B (en) | Electronic equipment and method for pasting film and sticker on electronic equipment | |
| CN219201835U (en) | General PCBA detector with all-in-one switching function | |
| CN217693506U (en) | Frameless display device and frameless television |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100901 Termination date: 20210319 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |