CN202345007U - Rinsing-resistant sealant screen - Google Patents
Rinsing-resistant sealant screen Download PDFInfo
- Publication number
- CN202345007U CN202345007U CN2011204700777U CN201120470077U CN202345007U CN 202345007 U CN202345007 U CN 202345007U CN 2011204700777 U CN2011204700777 U CN 2011204700777U CN 201120470077 U CN201120470077 U CN 201120470077U CN 202345007 U CN202345007 U CN 202345007U
- Authority
- CN
- China
- Prior art keywords
- screen frame
- grenadine
- protective glue
- glue
- screen
- 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
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Abstract
The utility model relates to a rinsing-resistant sealant screen which comprises a screen frame, gauze, cemedine and a first layer of protective glue, wherein the periphery of the gauze is fixed on the screen frame through cemedine, the cemedine reaches the edge when being arranged at the outer side of the screen frame and does not reach the edge when being arranged at the inner side, and the first layer of protective glue is covered on the gauze of the screen frame and the upper part of the cedemine. The rinsing-resistant sealant screen is characterized in that the cedemine, the gauze, the outer side of the first layer of the protective glue on the periphery of the screen frame are cut by a part, and a second layer of protective glue is covered on the exposed screen frame and the upper part of the first layer of protective glue. The cedemine, the gauze and the protective glue from the outer side to the edge are cut, and the outer layer is covered with protective glue again, so that the cedemine is completely covered by the protective glue, and the double layers of protective glue can effectively prevent cleaning agent from corroding the cedemine. Under the condition of maintaining the cost of the material, falling-off phenomenon between the gauze and the screen frame is avoided, the service life of an SMT (surface mount technology) screen is prolonged, and production is guaranteed.
Description
Technical field
The utility model relates to a kind of SMT web plate, specifically relates to a kind of sealing web plate of anti-cleaning, is applied to the bonding of grenadine and aluminium frame in present stage SMT (Serface Mount Technology) the employed printing stencil of manufacturer.
Background technology
Present stage, " microcircuit " technology was also ripe gradually owing to the develop rapidly of large scale integrated circuit, and the SMT web plate uses more and more frequent, and is also increasingly high to the requirement of SMT web plate.
The number of times that in early days the SMT web plate is used is few, and great majority use alcohol wash, requires low to the sealing mode of web plate.But, existing nowadays because the frequency of utilization of template is increasingly high, begin to adopt supersonic wave cleaning machine to clean.The technology of using in the market all as quickly beating hard bondingly with executing between grenadine and the screen frame, waits and executes quick beating and scrape layer of protecting glue (AB glue stable fine, can not react with cleaning agent) behind hard the curing more in the above.Under the normal condition, Shi Min beats the outside that hard bonding position is a screen frame until the limit, and inboard less than the limit, protection glue in the inboard of screen frame parcel executes and quickly beats firmly, and the outside is because on the edge of, can't wrap up.Owing to whole web plate is put into supersonic wave cleaning machine cleans; And cleaning agent has very strong corrosivity, bonding screen frame and grenadine execute the quick hard unstable chemcial property of beating, easily and cleaning agent react; Like this; The keep to the side part cleaning agent of edge can permeate into along with grenadine, causes Shi Min to beat hard and cleaning agent reacts, and causes between grenadine and the screen frame owing to not executing quick hard bonding the coming off of beating.Thereby cause whole SMT web plate to use, influence client's production, the loss that causes customer complaint or need the reparations client to stop production.
Fig. 1 is the schematic cross-section of SMT web plate of the prior art, and 1 is screen frame among the figure, the 2nd, and Shi Min beats firmly, and the 3rd, grenadine, the 4th, protection glue.In the inboard of screen frame 1, quickly beat hard 2 owing to execute not to the limit, quickly beat hard 2 so protect glue 4 to cover fully to execute; But in the outside since when slicing off unnecessary grenadine 3 to the limit, quickly beat hard 2 so execute also to the limit, protection glue 4 can't cover fully, executing of exposure quickly beaten hard 2 parts and just caused the infiltration of cleaning agent easily, thereby causes grenadine 3 to come off.
The utility model content
Be to solve the deficiency of prior art, the purpose of the utility model is to provide a kind of anti-cleaning sealing web plate, and quick the beating of executing of screen frame edge covered with protection glue fully firmly, prevents that the cleaning agent corrosion from executing quick beating firmly.
For realizing above-mentioned purpose, the utility model is to realize through following technical scheme:
A kind of anti-cleaning sealing web plate; Comprise that screen frame, grenadine, Shi Min beat hard and ground floor protection glue; The periphery of described grenadine is fixed on the screen frame through executing quick beating firmly; Shi Min beats firmly the outside at screen frame to the limit, and inboard less than the limit, the grenadine on screen frame and Shi Min beat hard top covering ground floor and protect glue; The quick outside of playing hard, grenadine, ground floor protection glue of executing around it is characterized in that on the screen frame is sliced off a part, also is coated with one deck second layer on the top of screen frame that exposes and ground floor protection glue and protects glue.
Aforesaid anti-cleaning sealing web plate, around on the screen frame that it is characterized in that slicing off to execute the quick width of playing hard, grenadine, ground floor protection glue be 3mm.
The beneficial effect of the utility model is: the anti-cleaning sealing web plate of the utility model adopt with the outside to executing of limit quickly beat firmly, grenadine and protection glue slices off; At skin covering protection glue once more; Thereby make that executing quick beating is coated under the protection glue firmly fully, utilize double shielding glue to protect, prevented that effectively cleaning agent is to executing the quick hard corrosion of beating; Under the constant situation of existing material cost; Perfectly solved between grenadine and the screen frame and be cleaned the phenomenon that comes off that the agent corrosion causes firmly, in the service life of having improved the SMT web plate, guaranteed production owing to executing quick beating.
Description of drawings
Fig. 1 is the schematic cross-section structure of SM web plate of the prior art;
Fig. 2 is the schematic cross-section structure of the anti-cleaning sealing web plate of the utility model.
The specific embodiment
Below in conjunction with accompanying drawing and specific embodiment, the utility model is done detailed introduction, but be merely description the utility model, not as the qualification of the utility model.
Fig. 2 is the schematic cross-section structure of the anti-cleaning sealing web plate of the utility model.As shown in the figure, the anti-cleaning sealing web plate of the utility model has comprised that screen frame 1, grenadine 13, Shi Min play hard 12, ground floor protection glue 14 and second layer protection glue 15.The practical implementation step is following:
At first, screen frame 1 is placed on the net machine that stretches tight, grenadine 13 is tiled on the screen frame 1; With grenadine 13 tensions, its tension force is reached more than the 40N, guarantee the tensioning of grenadine 13.
Then, will execute and quickly beat hard 12 and be coated on the grenadine 13, and make between grenadine 13 and the screen frame 1 to cling, the unnecessary grenadine in screen frame 1 outside will be sliced off.
Beat with Shi Min at the grenadine of screen frame 1 upside 13 and to be coated with ground floor protection glue 14 on hard 12, treat that ground floor protection glue 14 solidifies after, just will execute quick beat hard 12 and screen frame 1 covered.
At last, with around on the screen frame 1 executing of outer ledge place quickly break hard 12, grenadine 13 and ground floor protection glue 14 slices off a part, the width of the part that slices off is moderate just passable; Not excessive; Cross the tension insufficient strength that conference causes grenadine 13, too small, the protection glue of increase is not easy to cover fully to execute quickly beats hard 12; Therefore, the width that slices off is advisable about 3mm.On screen frame 1 and ground floor protection glue 14,, protect glue 14 and the screen frame 1 that comes out to cover ground floor, will execute through ground floor protection glue 14 and second layer protection glue 15 and quickly beat hard 12 and protect fully coating second layer protection glue 15.
The utility model is through beating hard and grenadine slices off with executing of edge is quick; Covering protection glue once more; Utilize two-layer protection glue will execute quick beating firmly fully and cover, prevented that effectively cleaning agent to executing the quick hard corrosion of beating, having prevented coming off between grenadine and the screen frame; Prolong the service life of web plate, reduced production cost.
Claims (2)
1. anti-cleaning sealing web plate; Comprise that screen frame, grenadine, Shi Min beat hard and ground floor protection glue; The periphery of described grenadine is fixed on the screen frame through executing quick beating firmly; Shi Min beats firmly the outside at screen frame to the limit, and inboard less than the limit, the grenadine on screen frame and Shi Min beat hard top covering ground floor and protect glue; The quick outside of playing hard, grenadine, ground floor protection glue of executing around it is characterized in that on the screen frame is sliced off a part, also is coated with one deck second layer on the top of screen frame that exposes and ground floor protection glue and protects glue.
2. anti-cleaning sealing web plate according to claim 1, around on the screen frame that it is characterized in that slicing off to execute the quick width of playing hard, grenadine, ground floor protection glue be 3mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204700777U CN202345007U (en) | 2011-11-23 | 2011-11-23 | Rinsing-resistant sealant screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204700777U CN202345007U (en) | 2011-11-23 | 2011-11-23 | Rinsing-resistant sealant screen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202345007U true CN202345007U (en) | 2012-07-25 |
Family
ID=46534033
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204700777U Expired - Fee Related CN202345007U (en) | 2011-11-23 | 2011-11-23 | Rinsing-resistant sealant screen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202345007U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102398410A (en) * | 2011-11-23 | 2012-04-04 | 昆山明创电子科技有限公司 | Cleaning-resistant sealing adhesive screen plate |
-
2011
- 2011-11-23 CN CN2011204700777U patent/CN202345007U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102398410A (en) * | 2011-11-23 | 2012-04-04 | 昆山明创电子科技有限公司 | Cleaning-resistant sealing adhesive screen plate |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120725 Termination date: 20171123 |