CN110012602A - A kind of back-sticked type charactron and its attaching method - Google Patents
A kind of back-sticked type charactron and its attaching method Download PDFInfo
- Publication number
- CN110012602A CN110012602A CN201910418238.9A CN201910418238A CN110012602A CN 110012602 A CN110012602 A CN 110012602A CN 201910418238 A CN201910418238 A CN 201910418238A CN 110012602 A CN110012602 A CN 110012602A
- Authority
- CN
- China
- Prior art keywords
- golden finger
- plastic housing
- client
- control terminal
- upper layer
- 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.)
- Withdrawn
Links
- 238000000034 method Methods 0.000 title claims abstract description 10
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims abstract description 19
- 238000003466 welding Methods 0.000 claims abstract description 16
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 13
- 239000010931 gold Substances 0.000 claims description 13
- 229910052737 gold Inorganic materials 0.000 claims description 13
- 238000005476 soldering Methods 0.000 claims description 5
- 238000009434 installation Methods 0.000 claims description 4
- 238000003032 molecular docking Methods 0.000 claims description 4
- 238000000605 extraction Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 229910000679 solder Inorganic materials 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
- G09F9/33—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements being semiconductor devices, e.g. diodes
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/18—Printed circuits structurally associated with non-printed electric components
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/30—Assembling printed circuits with electric components, e.g. with resistor
- H05K3/32—Assembling printed circuits with electric components, e.g. with resistor electrically connecting electric components or wires to printed circuits
- H05K3/34—Assembling printed circuits with electric components, e.g. with resistor electrically connecting electric components or wires to printed circuits by soldering
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Coupling Device And Connection With Printed Circuit (AREA)
Abstract
The invention discloses a kind of back-sticked type charactron and its attaching methods, including pcb board, plastic housing, show film and client's control terminal, several golden fingers are provided on pcb board for connecting client's control terminal, golden finger draws plastic housing and is distributed in pcb board two sides, golden finger includes upper layer golden finger and lower layer's golden finger interconnected, the plastic housing hole to match with plastic housing is offered in client's control terminal, the plastic housing passes through client's control terminal from bottom by plastic housing hole, the bottom of client's control terminal is located at the pad being provided at the two sides of plastic housing hole with upper layer golden finger Corresponding matching, the tin paste layer for welding upper layer golden finger is provided on the pad.The present invention replaces PIN needle as extraction connector using golden finger, and by way of counter paste, eliminate original charactron structure limitation, it is substantially reduced so that charactron overall volume, thickness have, realize miniaturization and the ultrathin of charactron, the market demand has been catered to, has had fabulous market value.
Description
Technical field
The present invention relates to charactron technical fields, and in particular to a kind of back-sticked type charactron and its attaching method.
Background technique
Existing charactron, as shown in Figure 1, pcb board 1 is drawn by PIN needle 4 and by being plugged on client's control manually
On end 5 processed, this structural union exists as following drawbacks:
1, because existing market is higher and higher for the thinness requirement of charactron, but due to existing charactron knot
Structure, pcb board 1, plastic housing 2, display film 3 and client's control terminal 5 must all have certain thickness, and for the ease of PIN needle 4
Grafting and grafting realizability, after charactron assembling, there is also certain spacing, this knots for pcb board 1 and client's control terminal 5
Structure causes the thickness of charactron larger, and by structural limitations, the ultrathin design of charactron is difficult to realize, it is difficult to meet market
Demand；
2, each pcb board 1 is required by the way that manually by client's control terminal 5 in PIN needle 4 one by one grafting, not only effect is low,
And during grafting, PIN needle 4 is also easy to appear damage, i.e. influence efficiency, and increases scrappage.
Summary of the invention
Goal of the invention: in order to overcome the deficiencies in the prior art, a kind of anti-patch that can be realized ultrathin is provided
Formula charactron and its attaching method.
Technical solution: to achieve the above object, the present invention provides a kind of back-sticked type charactron, including pcb board, plastic housing, aobvious
Show film and client's control terminal, several golden fingers are provided on the pcb board and are drawn for connecting client's control terminal, the golden finger
Plastic housing is distributed in pcb board two sides, and the golden finger includes upper layer golden finger and lower layer's golden finger interconnected, client's control
The plastic housing hole to match with plastic housing is offered on end processed, the plastic housing passes through client's control terminal from bottom by plastic housing hole, described
The bottom of client's control terminal is located at the pad being provided at the two sides of plastic housing hole with upper layer golden finger Corresponding matching, sets on the pad
It is equipped with the tin paste layer for welding upper layer golden finger.
Further, the upper layer golden finger and lower layer's golden finger lead to the side edge of pcb board front and back respectively,
By being welded to connect, the side of the pcb board is located at upper layer golden finger and lower layer's gold for the upper layer golden finger and lower layer's golden finger
Be provided between finger arc groove notch for assist welding, the setting of arc groove notch is so that for upper layer golden finger
Welding with lower layer golden finger more efficiently, stablize because solder(ing) paste can take advantage of a situation along arc groove notch and prolong when welding, make
Solder(ing) paste faster, preferably connect upper layer golden finger and lower layer's golden finger.
Further, the upper layer golden finger and lower layer's golden finger are respectively embedded in pcb board front and back, and respectively with
Pcb board front and back is horizontal, and such a is the welding distance in order to reduce upper layer golden finger and lower layer's golden finger, and in addition one
A is the thickness value so that upper layer golden finger and lower layer's golden finger not will increase charactron.
Further, on the one hand inner wall and plastic housing the outer wall fitting in the plastic housing hole, is the stability for promoting plastic housing in this way,
Still further aspect is easy for upper layer golden finger and pad is docked, because after plastic housing passes through plastic housing hole, upper layer golden finger point
Not in the underface of corresponding pad.
A kind of attaching method of back-sticked type charactron, includes the following steps:
S1: passing through plastic housing hole from the back side of client's control terminal for the plastic housing of a charactron, so that display film exposes client
Control terminal front；
S2: the tin paste layer on client's control terminal back side is pressed respectively against on corresponding upper layer golden finger；
S3: repeating step S2 and S3, completes the installation of all plastic housings and docking for tin paste layer and upper layer golden finger；
S4: crossing Reflow Soldering for entire client's control terminal, so that pad completes the welding with golden finger by tin paste layer, finally
Complete the whole attachment of charactron.
The utility model has the advantages that compared with prior art, the present invention having following advantage:
1, it replaces PIN needle as extraction connector using golden finger, and by way of counter paste, cleverly eliminates original
First charactron structure limitation, is substantially reduced so that charactron overall volume, thickness have, realizes the miniaturization of charactron
And ultrathin, the market demand has been catered to, has had fabulous market value；
2, golden finger and client's control terminal can be disposably welded to connect by way of Reflow Soldering, less substantially be mentioned
High effect, and connective stability is very high, effect is good and scrappage is extremely low, reduce a large amount of cost of labor and material at
This.
Detailed description of the invention
The structural schematic diagram of Fig. 1 prior art；
Fig. 2 is the structure connection diagram of charactron in the present invention；
Fig. 3 is the top view of SMD-type digital pipe in the present invention.
Specific embodiment
In the following with reference to the drawings and specific embodiments, the present invention is furture elucidated.
Embodiment 1:
As shown in Figures 2 and 3, the present invention provides a kind of back-sticked type charactron, including pcb board 1, plastic housing 2, display 3 and of film
Client's control terminal 5 is provided with several golden fingers on pcb board 1 and draws plastic housing 2 for connecting client's control terminal 5, golden finger and be distributed in
1 two sides of pcb board, golden finger include upper layer golden finger 6 and lower layer's golden finger 7 interconnected, upper layer golden finger 6 and lower layer's gold hand
Refer to 7 side edges for leading to 1 front and back of pcb board respectively, upper layer golden finger 6 and lower layer's golden finger 7 are respectively embedded in pcb board
1 front and back, and it is horizontal with 1 front and back of pcb board respectively, the side of pcb board 1 is located at upper layer golden finger 6 and lower layer's gold
Be provided between finger 7 arc groove notch 61 for assist welding, offer in client's control terminal 5 and match with plastic housing 2
Plastic housing hole 51, plastic housing 2 by plastic housing hole 51 from bottom pass through client's control terminal 5, the bottom of client's control terminal 5 is located at plastic housing hole
It is provided with the pad 8 with 6 Corresponding matching of upper layer golden finger at 51 two sides, is provided on pad 8 for welding upper layer golden finger 6
Tin paste layer 9.
Above-mentioned upper layer golden finger 6 and lower layer's golden finger 7 weld under the auxiliary of arc groove notch 61, so that upper layer gold hand
Finger 6 and lower layer's golden finger 7 are connected to form a circuit, and upper layer golden finger 6 and the combination of lower layer's golden finger 7 form golden finger to replace
PIN needle connects client's control terminal 5 and pcb board 1.
The attachment process of above-mentioned back-sticked type charactron is as follows:
S1: passing through plastic housing hole 51 from the back side of client's control terminal 5 for the plastic housing 2 of a charactron, so that display film 3 exposes
5 front of client's control terminal；
S2: since plastic housing 2 and plastic housing hole 51 fit, at this point, the tin paste layer 9 on 5 back side of client's control terminal is placed exactly in
Right above corresponding upper layer golden finger 6, client's control terminal 5 is pushed, so that tin paste layer 9 is just pressed respectively against corresponding upper layer gold hand
Refer on 6；
S3: repeating step S2 and S3, completes the installation of all plastic housings 2 and docking for tin paste layer 9 and upper layer golden finger 6；
S4: crossing Reflow Soldering for entire client's control terminal 5, so that pad 8 completes the welding with golden finger by tin paste layer 9,
It has been finally completed the whole attachment of charactron.
In the present embodiment pcb board 1 with a thickness of 1cm, plastic housing 2 with a thickness of 3cm, display film 3 with a thickness of 0.5cm, client
Control terminal 5 is with a thickness of 2cm, existing charactron as shown in Figure 1, because PIN needle 4 needs grafting space, client's control terminal 5
There are the spacing of 1cm between pcb board 1, so the integral thickness of existing charactron is 2+1+1+3+0.5=7.5cm, it will be same
Pcb board 1, plastic housing 2, display film 3 and client's control terminal 5 apply in the charactron of the present embodiment, as shown in Fig. 2, its entirety
With a thickness of 1+3+0.5=4.5cm, the integral thickness of the back-sticked type charactron of this sample embodiment is thinner than existing charactron
3cm, thickness have dropped 40%, and the overall volume of charactron really realizes charactron ultrathin there has also been declining to a great extent.
Embodiment 2:
As shown in Figures 2 and 3, the present invention provides a kind of back-sticked type charactron, including pcb board 1, plastic housing 2, display 3 and of film
Client's control terminal 5 is provided with several golden fingers on pcb board 1 and draws plastic housing 2 for connecting client's control terminal 5, golden finger and be distributed in
1 two sides of pcb board, golden finger include upper layer golden finger 6 and lower layer's golden finger 7 interconnected, upper layer golden finger 6 and lower layer's gold hand
Refer to 7 side edges for leading to 1 front and back of pcb board respectively, upper layer golden finger 6 and lower layer's golden finger 7 are respectively embedded in pcb board
1 front and back, and it is horizontal with 1 front and back of pcb board respectively, the side of pcb board 1 is located at upper layer golden finger 6 and lower layer's gold
Be provided between finger 7 arc groove notch 61 for assist welding, offer in client's control terminal 5 and match with plastic housing 2
Plastic housing hole 51, plastic housing 2 by plastic housing hole 51 from bottom pass through client's control terminal 5, the bottom of client's control terminal 5 is located at plastic housing hole
It is provided with the pad 8 with 6 Corresponding matching of upper layer golden finger at 51 two sides, is provided on pad 8 for welding upper layer golden finger 6
Tin paste layer 9.
Above-mentioned upper layer golden finger 6 and lower layer's golden finger 7 weld under the auxiliary of arc groove notch 61, so that upper layer gold hand
Finger 6 and lower layer's golden finger 7 are connected to form a circuit, and upper layer golden finger 6 and the combination of lower layer's golden finger 7 form golden finger to replace
PIN needle connects client's control terminal 5 and pcb board 1.
The attachment process of above-mentioned back-sticked type charactron is as follows:
S1: passing through plastic housing hole 51 from the back side of client's control terminal 5 for the plastic housing 2 of a charactron, so that display film 3 exposes
5 front of client's control terminal；
S2: since plastic housing 2 and plastic housing hole 51 fit, at this point, the tin paste layer 9 on 5 back side of client's control terminal is placed exactly in
Right above corresponding upper layer golden finger 6, client's control terminal 5 is pushed, so that tin paste layer 9 is just pressed respectively against corresponding upper layer gold hand
Refer on 6；
S3: repeating step S2 and S3, completes the installation of all plastic housings 2 and docking for tin paste layer 9 and upper layer golden finger 6；
S4: crossing Reflow Soldering for entire client's control terminal 5, so that pad 8 completes the welding with golden finger by tin paste layer 9,
It has been finally completed the whole attachment of charactron.
In the present embodiment pcb board 1 with a thickness of 0.5cm, plastic housing 2 with a thickness of 3cm, display film 3 with a thickness of 0.3cm, visitor
Family control terminal 5 is with a thickness of 2cm, existing charactron as shown in Figure 1, because PIN needle 4 needs grafting space, client's control
There are the spacing of 1cm between end 5 and pcb board 1, so the integral thickness of existing charactron is 2+1+0.5+3+0.3=6.8cm,
Same pcb board 1, plastic housing 2, display film 3 and client's control terminal 5 are applied in the charactron of the present embodiment, as shown in Fig. 2,
Its integral thickness is 0.5+3+0.3=3.8cm, and the integral thickness of the back-sticked type charactron of this sample embodiment is than existing number
3cm is managed thin, thickness has dropped 44%, and the overall volume of charactron really realizes charactron there has also been declining to a great extent
Ultrathin.
Claims (7)
1. a kind of back-sticked type charactron, including pcb board, plastic housing, display film and client's control terminal, it is characterised in that: the pcb board
On be provided with several golden fingers for connecting client's control terminal, the golden finger draws plastic housing and is distributed in pcb board two sides, the gold
Finger includes upper layer golden finger and lower layer's golden finger interconnected, offers in client's control terminal and matches with plastic housing
Plastic housing hole, the plastic housing pass through client's control terminal from bottom by plastic housing hole, and the bottom of client's control terminal is located at plastic housing hole
It is provided with the pad with upper layer golden finger Corresponding matching at two sides, the tin for welding upper layer golden finger is provided on the pad
Layer of paste.
2. a kind of back-sticked type charactron according to claim 1, it is characterised in that: the upper layer golden finger and lower layer's gold hand
Refer to the side edge for leading to pcb board front and back respectively, the upper layer golden finger and lower layer's golden finger pass through welded connecting.
3. a kind of back-sticked type charactron according to claim 2, it is characterised in that: the side of the pcb board is located at upper layer
Be provided between golden finger and lower layer's golden finger arc groove notch for assist welding.
4. a kind of back-sticked type charactron according to claim 1, it is characterised in that: the upper layer golden finger and lower layer's gold hand
Finger is respectively embedded in pcb board front and back.
5. a kind of back-sticked type charactron according to claim 4, it is characterised in that: the upper layer golden finger and lower layer's gold hand
Refer to horizontal with pcb board front and back respectively.
6. a kind of back-sticked type charactron according to claim 1, it is characterised in that: outside the inner wall in the plastic housing hole and plastic housing
Wall fitting.
7. a kind of attaching method of back-sticked type charactron according to claim 1, characterized by the following steps:
S1: passing through plastic housing hole from the back side of client's control terminal for the plastic housing of a charactron, so that display film exposes client's control
Rectify face；
S2: the tin paste layer on client's control terminal back side is pressed respectively against on corresponding upper layer golden finger；
S3: repeating step S2 and S3, completes the installation of all plastic housings and docking for tin paste layer and upper layer golden finger；
S4: crossing Reflow Soldering for entire client's control terminal, so that pad completes the welding with golden finger by tin paste layer, is finally completed
The whole attachment of charactron.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910418238.9A CN110012602A (en) | 2019-05-20 | 2019-05-20 | A kind of back-sticked type charactron and its attaching method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910418238.9A CN110012602A (en) | 2019-05-20 | 2019-05-20 | A kind of back-sticked type charactron and its attaching method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110012602A true CN110012602A (en) | 2019-07-12 |
Family
ID=67177385
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910418238.9A Withdrawn CN110012602A (en) | 2019-05-20 | 2019-05-20 | A kind of back-sticked type charactron and its attaching method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110012602A (en) |
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| CN208240301U (en) * | 2018-04-19 | 2018-12-14 | 江门吉华光电精密有限公司 | SMD COB white-light nixie tube |
| CN208655167U (en) * | 2018-08-03 | 2019-03-26 | 科宏光电(深圳)有限公司 | A kind of novel LED pasted charactron |
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| CN104392675A (en) * | 2014-08-22 | 2015-03-04 | 友达光电股份有限公司 | Display device substrate and method for manufacturing same |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20190712 |