CN203766162U - Novel tin-based flanging copper clad laminate - Google Patents
Novel tin-based flanging copper clad laminate Download PDFInfo
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- CN203766162U CN203766162U CN201420095387.9U CN201420095387U CN203766162U CN 203766162 U CN203766162 U CN 203766162U CN 201420095387 U CN201420095387 U CN 201420095387U CN 203766162 U CN203766162 U CN 203766162U
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- copper
- plate
- glass fiber
- tin
- glass
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Abstract
The utility model discloses a novel tin-based flanging copper clad laminate, which comprises an upper copper plate, an upper glass fiber layer, an upper tin plate, a core plate, a lower tin plate, a lower glass fiber layer, a lower copper plate and aluminum flanging edges, wherein the upper tin plate and the lower tin plate are arranged on the outer sides of the core plate, the upper glass fiber layer is arranged on the upper side of the upper tin plate, the upper copper plate is arranged on the outer side of the upper glass fiber layer, the lower glass fiber layer is arranged on the lower side of the lower tin plate, the lower copper plate is arranged on the outer side of the lower glass fiber layer, the aluminum flanging edges are arranged on two sides of the upper copper plate, the upper glass fiber layer, the upper tin plate, the core plate, the lower tin plate, the lower glass fiber layer and the lower copper plate, and the core plate comprises glass fiber non-woven semi-cured sheets, and glass fiber cloth semi-cured sheets. Pieces of glass fiber cloth and pieces of glass fiber non-woven cloth are laminated to form a core material, and the novel tin-based flanging copper clad laminate has the advantages of excellent stamping processability and the size stability and mechanical processability of a base material, can bear more heavy electrical components and produce larger-size laminate surfaces, and is low in environment-friendly cost.
Description
Technical field
The utility model relates to layered copper plate technical field, is specially a kind of novel tinbase and pulls limit copper-clad plate.
Background technology
Copper-clad plate (Copper Clad Laminate, be called for short CCL) mainly for the production of printed circuit board, using fibrous paper, glass fabric or glass fibre non-woven (being commonly called as glass felt) etc. as reinforcing material, soak with resin, single or double is coated with Copper Foil, a kind of product forming through hot pressing.Existing copper-clad plate is owing to manufacturing the otherness of raw material and manufacturing structure, and the technical performance of CCL base material is each variant.According to the difference of copper-clad plate composition structure and reinforcing material thereof.
Existing copper-clad plate can be divided into following several large class, and each tool pluses and minuses: 1, paper-based copper-coated board: although paper-based copper-coated board production technology is simple, production cost is lower, its a lot of performances can not meet much technical requirements for electronic product high performance.2, special reinforcing material base copper-clad plate: the copper-clad plate of special enhancing base is the novel copper-clad plate of a class growing up in recent years, but because its processing technology is higher, production cost is higher, is only applied in the electronic product of particular/special requirement at present.3, glass fibre fabricbase copper-clad plate: glass fibre fabricbase copper-clad plate (being FR-4 copper-clad plate) is to apply maximum kinds in current C CL product, its composition structure is taking glass fabric as fabric, taking glass fabric as core material.FR-4 copper-clad plate has good heat resistance, electrical characteristic and the good technical performance such as mechanical strength, resistance to chemical reagents; But in PCB produces, be not suitable for Sheet Metal Forming Technology, the dimensional stability of base material is poor, and thin plate warpage is relatively large, and its production cost is relatively high.4, composite-based copper clad plate: composite base (CompositeEpoxyMterial) copper-clad plate, common in existing CCL product is glass fabric/fibrous paper composite-based copper clad plate, glass fabric/glass fibre non-woven composite-based copper clad plate.Wherein, the application of CEM-3 copper-clad plate is only second to FR-4 copper-clad plate, and its composition structure is taking glass fabric as fabric, taking glass fibre non-woven as core material.CEM-3 copper-clad plate has good punching performance, machining property, and good dimensional stability, and its production cost is far below FR-4 copper-clad plate; But compare FR-4, its mechanical strength, heat resistance are relatively poor, for high density integrated circuit having and high frequency, at a high speed, jumbo electrical equipment all cannot carry.
Utility model content
The technical problem that the utility model solves is to provide a kind of novel tinbase to pull limit copper-clad plate, to solve the problem proposing in above-mentioned background technology.
The technical problem that the utility model solves realizes by the following technical solutions: a kind of novel tinbase is pulled limit copper-clad plate, comprise: upper copper coin, upper glass fibrage, upper sheet tin, central layer, lower sheet tin, lower-glass fibrage, lower copper coin, aluminium is pulled limit, described central layer outside is provided with sheet tin and lower sheet tin, upper sheet tin upside is provided with upper glass fibrage, upper glass fibrage outside is provided with copper coin, lower sheet tin downside is provided with lower-glass fibrage, lower-glass fibrage outside is provided with lower copper coin, upper copper coin, upper glass fibrage, upper sheet tin, central layer, lower sheet tin, lower-glass fibrage, lower copper coin both sides are provided with aluminium and pull limit, described central layer comprises: glass fibre non-woven prepreg, open glass fabric prepreg, glass fibre non-woven prepreg, open glass fabric prepreg arranged in a crossed manner, central layer thickness is 2mm-3mm.
It is hollow structure that described aluminium is pulled limit, and the upper surface of upper copper coin, the lower surface of lower copper coin are fastened on aluminium and pull in limit.
In described central layer, be provided with reinforcement steel disc, strengthen steel disc and be arranged on central layer middle part.
Compared with prior art, the beneficial effects of the utility model are: the utility model, adopt by glass fabric and glass fibre non-woven and fold folder as core material, copper-clad plate base material of the present utility model has possessed the good punch process identical with CEM-3 copper-clad plate, dimensional stability and the machining property of base material, there is again the good mechanical strength and the heat resistance that are better than CEM-3 copper-clad plate, can carry more, heavier electric elements, and make more larger size panel face; Because the minimizing of resin content is used, the production cost of base material is lower than CEM-3 copper-clad plate, and environmental protection cost is also lower.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is core plate structure schematic diagram of the present utility model.
Detailed description of the invention
In order to make of the present utility modelly to realize technological means, creation characteristic, reach object and effect is easy to understand, below in conjunction with concrete diagram, further set forth the utility model.
As Fig. 1, shown in Fig. 2, a kind of novel tinbase is pulled limit copper-clad plate, comprise: upper copper coin 1, upper glass fibrage 2, upper sheet tin 3, central layer 4, lower sheet tin 5, lower-glass fibrage 6, lower copper coin 7, aluminium is pulled limit 8, described central layer 4 outsides are provided with sheet tin 3 and lower sheet tin 7, upper sheet tin 3 upsides are provided with upper glass fibrage 2, upper glass fibrage 2 outsides are provided with copper coin 1, lower sheet tin 7 downsides are provided with lower-glass fibrage 6, lower-glass fibrage 6 outsides are provided with lower copper coin 7, upper copper coin 1, upper glass fibrage 2, upper sheet tin 3, central layer 4, lower sheet tin 5, lower-glass fibrage 6, lower copper coin 7 both sides are provided with aluminium and pull limit 8, described central layer 4 comprises: glass fibre non-woven prepreg 41, open glass fabric prepreg 42, glass fibre non-woven prepreg 41, open glass fabric prepreg arranged in a crossed manner 42, central layer 4 thickness are 2.4mm-3.0mm.
Described aluminium is pulled limit 8 for hollow structure, and the upper surface of upper copper coin 1, the lower surface of lower copper coin 7 are fastened on aluminium and pull in limit 8.
In described central layer 4, be provided with reinforcement steel disc, strengthen steel disc and be arranged on central layer 4 middle parts.
Preparation method of the present utility model is: allotment glue.Each component in glue system is carried out proportioning slaking by formula requirement in industrial stirred tank; Gluing.Glass fabric, glass fibre non-woven are placed in respectively to glue and flood, then take out and cure, then through cooling glass fabric prepreg, the glass fibre non-woven prepreg of obtaining respectively; In different detailed description of the invention, the glass fabric prepreg of acquisition, glass fibre non-woven prepreg size as required can also be cut, wherein, the stoving temperature of glass fabric is 150 DEG C-200 DEG C, and the stoving temperature of glass fibre non-woven is 170 DEG C-210 DEG C; Folded joining, taking copper coin as outermost layer, taking glass fabric prepreg as upper and lower surface layer, in layer 2, lower surface layer 4, core material is set in the above, the common applications as laminates that forms, central layer is alternately folded folder with glass fabric prepreg and glass fibre non-woven prepreg and is formed; Compacting, the applications as laminates that step 3 is obtained is corresponding with stainless steel metal plate superimposed up and down, sends into the pressing of heating in vacuum pressure equipment, obtains copper-clad plate of the present invention.In above-mentioned pressing process, the temperature of the pressing of heating is that 120 DEG C-205 DEG C, pressure are 6Kg-30Kg, and the holding temperature scope of compacting is that 200 DEG C-205 DEG C, temperature retention time are no less than 60 minutes.
More than show and described general principle of the present utility model and principal character and advantage of the present utility model.The technical staff of the industry should understand; the utility model is not restricted to the described embodiments; that in above-described embodiment and description, describes just illustrates principle of the present utility model; do not departing under the prerequisite of the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall within the scope of claimed the utility model.Claimed scope of the present utility model is defined by appending claims and equivalent thereof.
Claims (3)
1. a novel tinbase is pulled limit copper-clad plate, comprise: upper copper coin, upper glass fibrage, upper sheet tin, central layer, lower sheet tin, lower-glass fibrage, lower copper coin, aluminium is pulled limit, it is characterized in that: described central layer outside is provided with sheet tin and lower sheet tin, upper sheet tin upside is provided with upper glass fibrage, upper glass fibrage outside is provided with copper coin, lower sheet tin downside is provided with lower-glass fibrage, lower-glass fibrage outside is provided with lower copper coin, upper copper coin, upper glass fibrage, upper sheet tin, central layer, lower sheet tin, lower-glass fibrage, lower copper coin both sides are provided with aluminium and pull limit, described central layer comprises: glass fibre non-woven prepreg, open glass fabric prepreg, glass fibre non-woven prepreg, open glass fabric prepreg arranged in a crossed manner, central layer thickness is 2mm-3mm.
2. the novel tinbase of one according to claim 1 is pulled limit copper-clad plate, it is characterized in that: it is hollow structure that described aluminium is pulled limit, and the upper surface of upper copper coin, the lower surface of lower copper coin are fastened on aluminium and pull in limit.
3. the novel tinbase of one according to claim 1 is pulled limit copper-clad plate, it is characterized in that: in described central layer, be provided with reinforcement steel disc, strengthen steel disc and be arranged on central layer middle part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420095387.9U CN203766162U (en) | 2014-03-04 | 2014-03-04 | Novel tin-based flanging copper clad laminate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420095387.9U CN203766162U (en) | 2014-03-04 | 2014-03-04 | Novel tin-based flanging copper clad laminate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203766162U true CN203766162U (en) | 2014-08-13 |
Family
ID=51283400
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420095387.9U Expired - Fee Related CN203766162U (en) | 2014-03-04 | 2014-03-04 | Novel tin-based flanging copper clad laminate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203766162U (en) |
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2014
- 2014-03-04 CN CN201420095387.9U patent/CN203766162U/en not_active Expired - Fee Related
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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: 20140813 Termination date: 20170304 |