CN204339894U - Cover plate for drilling hole - Google Patents
Cover plate for drilling hole Download PDFInfo
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- CN204339894U CN204339894U CN201420613073.3U CN201420613073U CN204339894U CN 204339894 U CN204339894 U CN 204339894U CN 201420613073 U CN201420613073 U CN 201420613073U CN 204339894 U CN204339894 U CN 204339894U
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- fat composition
- cover plate
- composition layer
- drilling hole
- hydrophilic resin
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Abstract
The utility model relates to a kind of cover plate for drilling hole, comprise the hydrophilic resin fat composition layer an of metal forming and at least one deck, wherein this hydrophilic resin fat composition layer is incorporated in this metal forming, and the reaction heat enthalpy of this hydrophilic resin fat composition layer is between 10 ~ 40 (J/g), and fusing point is between 48 ~ 70 DEG C, preferably resin twisting cohesion in Hole Wall Roughness and less drill bit can be formed.
Description
Technical field
The utility model is about a kind of cover plate for drilling hole, and espespecially a kind of cover plate for drilling hole that can be used for the field such as IC support plate, PCB, BGA plate and use, it has the advantage that structure is simple, can form resin twisting cohesion in preferably Hole Wall Roughness and less drill bit.
Background technology
In recent years, frivolous, the multi-functional and high-speed development of electronic product trend, make printed circuit board (PCB) in micropore quantity and the rapid increase of density content, based under this trend, the effects such as boring quality, position, hole precision and drill point life-span are so important indicator, but traditional accessory plates such as cover plate such as traditional aluminium foil or phenolic resins, in the application of this demand inapplicable already, if use reluctantly, easily broken needle, hole partially and bad disappearance the such as drill point wearing and tearing occur.
Now, drilled metal cover plate (Aluminum cover the is maximum) consequentiality that different kenel is formed, but stable and be employed undoubtedly little, mainly complicated and functionally all inadequate in buffering boring inferior horn pressure, lubrication drill point (reducing drill point wearing and tearing) and adherence metal forming (drill point heat sinking function) etc. in lubricating layer formula.Such as to belong to the perforated plate made by water-soluble lubricating mixture, synthetic wax and the scraps of paper, but there is drill point cannot dispel the heat and stickiness problem; With polyethylene glycol or polyether ester class improvement stickiness problem, but there is drill point cannot the inclined problem of chip removal and hole; Coated heat thermosetting resin between the composite wood of film, film and aluminium foil, film, aluminium foil is made with the insoluble lubricant of water-soluble resin mixing water, the boring cover plate of totally three kinds of various combination structures, but formula with produce all complicated and in conjunction with thermoset resin layer, because hardness height easily makes drill point skid and hole skew or broken needle.
Summary of the invention
Main purpose of the present utility model is providing the cover plate for drilling hole that a kind of structure is simple, can form resin twisting cohesion in preferably Hole Wall Roughness and less drill bit.
In order to achieve the above object, a kind of cover plate for drilling hole set by the utility model, comprise the hydrophilic resin fat composition layer an of metal forming and at least one deck, wherein this hydrophilic resin fat composition layer is incorporated in this metal forming, and the reaction heat enthalpy of this hydrophilic resin fat composition layer is between 10 ~ 40 (J/g), and fusing point is between 48 ~ 70 DEG C.
During enforcement, the thickness of this metal forming is 0.05mm ~ 0.2mm.
During enforcement, the thickness of this hydrophilic resin fat composition layer is 0.02mm ~ 0.15mm.
During enforcement, this hydrophilic resin fat composition layer comprises and one is selected from PPOX, PEO, poly-stretches that butanediol, polyolefin glycol polyester, carboxymethyl cellulose, PVP, polyacrylamide and Sodium Polyacrylate are wherein a kind of has crystalline water-soluble resin; Or, hydrophilic resin fat composition layer comprise one be selected from the alcohol ethers such as polyethylene glycol phenolic ether, polyethylene glycol alkyl ether there is crystalline water-soluble resin; Or, this hydrophilic resin fat composition layer comprise one be selected from the alcohols such as hexitol, propane diols, glycerine there is crystalline water-soluble resin.
During enforcement, this water-soluble resin is separately mixed with an inorganic compound, a defoamer and an interfacial agent, to form this hydrophilic resin fat composition layer.
During enforcement, this inorganic compound is wherein one or more the material such as talcum powder, molybdenum bisuphide, zinc molybdate, calcium carbonate, graphite, boron nitride, aluminium nitride, aluminium oxide, aluminium hydroxide.
During enforcement, this defoamer is wherein one or more material such as polysiloxanes (Polysiloxane) resin of modification and relevant derivative, silicon power health (Silicone) and aliphatic acid, fatty acid amine, polyether compound etc.
During enforcement, this interfacial agent is the compound having hydrophily (hydrophilic part) part to coexist with lipophilicity (lipophilic part) part in a part, wherein this hydrophilic portion then has carbonate, sulfate etc., even this lipophilicity part has direct steel, side refining cyclic aromatic hydrocarbon radical.
During enforcement, this hydrophilic resin fat composition layer is water-soluble resin 20 weight portion of number average molecular weight 300000 to 400000, be dissolved in after in water with water-soluble resin 60 weight portion of number average molecular weight 10000 to 80000, the inorganic compound adding 8 weight portions stirs and makes it to be scattered in completely in the water-soluble resin aqueous solution, stirs and make it to be scattered in completely in the water-soluble resin aqueous solution formed after then adding the defoamer of 2 weight portions and the interfacial agent of 2 weight portions again.
During enforcement, this hydrophilic resin fat composition layer is water-soluble resin 20 weight portion of number average molecular weight 200000 to 300000, be dissolved in after in water with water-soluble resin 60 weight portion of number average molecular weight 300000 to 400000, the inorganic compound adding 8 weight portions stirs and makes it to be scattered in completely in the water-soluble resin aqueous solution, stirs and make it to be scattered in completely in the water-soluble resin aqueous solution formed after then adding the defoamer of 2 weight portions and the interfacial agent of 2 weight portions again.
During enforcement, between this metal forming and this hydrophilic resin fat composition layer, be provided with a primer layer.
During enforcement, this primer layer is any one or two kinds used in combination in thermoplastic resin or thermosetting resin.
For understanding the utility model further, below lifting preferred embodiment, coordinating graphic, figure number, concrete constitution content of the present utility model and effect of reaching thereof are described in detail as follows.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model embodiment cover plate for drilling hole;
Fig. 2 is the structural representation after the utility model embodiment sets up primer layer.
Description of reference numerals: 1, metal forming; 2, hydrophilic resin fat composition layer; 3-primer layer.
Detailed description of the invention
Be below embodiment, but content of the present utility model is not limited to the scope of these embodiments.
Refer to Fig. 1, it is an embodiment of a kind of cover plate for drilling hole of the utility model, and it comprises the hydrophilic resin fat composition layer 2 an of metal forming 1 and at least one deck.
This metal forming 1 is aluminium foil, and thickness is 0.05mm ~ 0.2mm.
This hydrophilic resin fat composition layer 2 thickness is 0.02mm ~ 0.15mm, and for being incorporated in this metal forming 1, and the reaction heat enthalpy of this hydrophilic resin fat composition layer 2 is between 10 ~ 40 (J/g), and fusing point is between 48 ~ 70 DEG C.
Wherein, this hydrophilic resin fat composition layer 2 comprises and one is selected from PPOX, PEO, poly-stretches that butanediol, polyolefin glycol polyester, carboxymethyl cellulose, PVP, polyacrylamide and Sodium Polyacrylate are wherein a kind of has crystalline water-soluble resin; Or, hydrophilic resin fat composition layer comprise one be selected from the alcohol ethers such as polyethylene glycol phenolic ether, polyethylene glycol alkyl ether there is crystalline water-soluble resin; Or, this hydrophilic resin fat composition layer comprise one be selected from the alcohols such as hexitol, propane diols, glycerine there is crystalline water-soluble resin.
And the utility model preferred forms is for be separately mixed with an inorganic compound, a defoamer and an interfacial agent by this water-soluble resin, to form this hydrophilic resin fat composition layer 2.Wherein, this inorganic compound is the wherein a kind of material such as talcum powder, molybdenum bisuphide, zinc molybdate, calcium carbonate, graphite, boron nitride, aluminium nitride, aluminium oxide, aluminium hydroxide.This defoamer is polysiloxanes (Polysiloxane) resin and relevant derivative, silicon power health (Silicone) and wherein a kind of material such as aliphatic acid, fatty acid amine, polyether compound thereof of modification.This interfacial agent is the compound having hydrophily (hydrophilic part) part to coexist with lipophilicity (lipophilic part) part in a part, wherein this hydrophilic portion then has carbonate, sulfate etc., even this lipophilicity part has direct steel, side refining cyclic aromatic hydrocarbon radical.
Therefore, during actual enforcement, this metal forming 1 adopts the aluminium foil of purity more than 98, the impact from drill bit blade can be relaxed, and improve the adaptation of drill point blade leading section, this hydrophilic resin fat composition layer 2 is water-soluble resin 20 weight portion of number average molecular weight 300000 to 400000, be dissolved in after in water with water-soluble resin 60 weight portion of number average molecular weight 10000 to 80000, the inorganic compound adding 8 weight portions stirs and makes it to be scattered in completely in the water-soluble resin aqueous solution, then stir and make it to be scattered in completely in the water-soluble resin aqueous solution after adding the defoamer of 2 weight portions and the interfacial agent of 2 weight portions again and formed.Dried hydrophilic resin fat composition layer 2 is made for the mode of 0.03mm, two roller Comma Coater is adopted to be coated with this hydrophilic resin fat composition layer 2 after the metal forming 1 of one side formation thickness 0.01mm, recycling drying machine makes it cooling, uses and forms cover plate for drilling hole of the present utility model (being above the 1st embodiment).
Again, this hydrophilic resin fat composition layer 2 of the utility model also can adopt water-soluble resin 20 weight portion of number average molecular weight 200000 to 300000, be dissolved in after in water with water-soluble resin 60 weight portion of number average molecular weight 300000 to 400000, the inorganic compound adding 8 weight portions stirs and makes it to be scattered in completely in the water-soluble resin aqueous solution, then stir and make it to be scattered in completely in the water-soluble resin aqueous solution after adding the defoamer of 2 weight portions and the interfacial agent of 2 weight portions again and formed, dried hydrophilic resin fat composition layer 2 is made for the mode of 0.03mm, two roller Comma Coater is adopted to be coated with this hydrophilic resin fat composition layer 2 after the metal forming 1 of one side formation thickness 0.01mm, recycling drying machine makes it cooling, use and form cover plate for drilling hole of the present utility model (being above the 2nd embodiment).
Therefore, by the cover plate for drilling hole that above-mentioned two embodiments obtain, after the copper-surfaced laminated plates of 6 thickness 0.1mm, be that upper mode is configured with this hydrophilic resin fat composition layer 2, on the downside of the copper-surfaced laminated plates through overlap, configuration lower bolster (urea plate), with drill bit 0.105 Φ (0.105mm*2.2mm), rotate fast 200000rpm, feed speed 25mm/sec, the condition of withdrawing speed 423mm/sec, each drill point is holed with 3000hits, scan card gauge by adopting hot differential to be 40 ~ 80 DEG C with the heating rate measuring range of 10 DEG C per minute and to measure, for above-described embodiment 1, on the cover plate for drilling hole of 2, optional 3 zoness of different carry out actual measurement, can find that its heat enthalpy value is 17 (J/g), fusing point is 60 DEG C, and (after Drilling operation, the section at the center of machining hole is cut off through Hole Wall Roughness test and grind, maximum protuberance in a side of hole wall is measured with the distance till the darkest recess.Measurement site is that the machining hole in the 2999th hole of drill bit does twice average as Hole Wall Roughness value), the precision test of position, hole (utilizes hole analyzer to measure with specifying the skew of coordinate the hole site of 3000hits in the back side of the copper foil laminates of bottom in overlapping copper foil laminates, to each root drill point calculating mean value and standard deviation (δ), calculate mean value+3 δ and maximum, record the mean value of 7 bit bore processing), can find after the judging of resin twisting cohesion range degree (utilizing multiplying power to observe respectively relative to the maximum diameter of the resin twisting cohesion in drill point footpath and drill bit shaft direction length to judge resin twisting cohesion range degree the drill point of 7 after 3000hits as the light microscope of 25 times), really preferably resin twisting cohesion in Hole Wall Roughness and less drill bit can be formed by the cover plate for drilling hole set by the utility model.
In addition, as shown in Figure 2, for making the adaptation of this metal forming and this hydrophilic resin fat composition layer increase, can in advance prior to metal forming being formed the primer layer 3 of thickness 0.001 ~ 0.01mm for the most desirable.As long as this primer layer 3 can the material of boosted tree fat composition adaptation; other there is no any restriction; also any one can be used in thermoplasticity or thermosetting resin or two kinds used in combination; thermoplastic resin is vinyl acetate condensate, Polyester condensate, acryloyl base system condensate i.e. these materials or mixture such as, the resin etc. of thermosetting resin such as epoxy base system resin and cyanate series.
Therefore, the boring Aluminum cover of the utility model has heat content and the melting point values of particular range by hydrophilic resin fat composition layer, suitable heat radiation and degree of lubrication can be provided, so can contribute to some extent for resin twisting cohesion on Hole Wall Roughness during Drilling operation and drill point for drill point.
The above technological means being specific embodiment of the utility model and using, can derive according to exposure herein or instruction and derive many changes and correction, still can be considered that the equivalence that conception of the present utility model is done changes, its effect produced does not exceed description and graphic contained connotation yet, all should be considered as, within technology category of the present utility model, closing first Chen Ming.
In sum, according to content disclosed above, the utility model really can reach the expection object of utility model, provides a kind of cover plate for drilling hole, has the value that industry utilizes, and whence proposes utility application in accordance with the law.
Claims (8)
1. a cover plate for drilling hole, is characterized in that it comprises:
One metal forming; And
At least hydrophilic resin fat composition layer of one deck, it is incorporated in this metal forming, and this its reaction heat enthalpy of hydrophilic resin fat composition layer is between 10 ~ 40J/g, and fusing point is between 48 ~ 70 DEG C.
2. cover plate for drilling hole as claimed in claim 1, wherein the thickness of this metal forming is 0.05mm ~ 0.2mm.
3. cover plate for drilling hole as claimed in claim 1, wherein the thickness of this hydrophilic resin fat composition layer is 0.02mm ~ 0.15mm.
4. cover plate for drilling hole as claimed in claim 1, wherein this hydrophilic resin fat composition layer is for being selected from PPOX, PEO, poly-ly stretching that butanediol, polyolefin glycol polyester, carboxymethyl cellulose, PVP, polyacrylamide and Sodium Polyacrylate are wherein a kind of has crystalline water-soluble resin.
5. cover plate for drilling hole as claimed in claim 1, wherein this hydrophilic resin fat composition layer has crystalline water-soluble resin for what be selected from polyethylene glycol phenolic ether or polyethylene glycol alkyl ether.
6. cover plate for drilling hole as claimed in claim 1, wherein in order to be selected from, hexitol, propane diols or glycerine are wherein a kind of has crystalline water-soluble resin to this hydrophilic resin fat composition layer.
7. cover plate for drilling hole as claimed in claim 1, is wherein provided with a primer layer between this metal forming and this hydrophilic resin fat composition layer.
8. cover plate for drilling hole as claimed in claim 7, wherein this primer layer is any one in thermoplastic resin or thermosetting resin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420613073.3U CN204339894U (en) | 2014-10-22 | 2014-10-22 | Cover plate for drilling hole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420613073.3U CN204339894U (en) | 2014-10-22 | 2014-10-22 | Cover plate for drilling hole |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204339894U true CN204339894U (en) | 2015-05-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420613073.3U Active CN204339894U (en) | 2014-10-22 | 2014-10-22 | Cover plate for drilling hole |
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| CN (1) | CN204339894U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105583889A (en) * | 2014-10-22 | 2016-05-18 | 合正科技股份有限公司 | Cover plate for hole drilling |
| CN108025450A (en) * | 2015-09-02 | 2018-05-11 | 三菱瓦斯化学株式会社 | Cover plate for drilling hole and use its drilling method |
| CN110281308A (en) * | 2019-06-28 | 2019-09-27 | 烟台柳鑫新材料科技有限公司 | A kind of boring gluing aluminum-based cover plate of PCB and preparation method thereof |
-
2014
- 2014-10-22 CN CN201420613073.3U patent/CN204339894U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105583889A (en) * | 2014-10-22 | 2016-05-18 | 合正科技股份有限公司 | Cover plate for hole drilling |
| CN109291135A (en) * | 2014-10-22 | 2019-02-01 | 合正科技股份有限公司 | Cover plate for drilling hole |
| CN108025450A (en) * | 2015-09-02 | 2018-05-11 | 三菱瓦斯化学株式会社 | Cover plate for drilling hole and use its drilling method |
| CN108025450B (en) * | 2015-09-02 | 2018-12-07 | 三菱瓦斯化学株式会社 | Cover plate for drilling hole and the drilling method for using it |
| CN110281308A (en) * | 2019-06-28 | 2019-09-27 | 烟台柳鑫新材料科技有限公司 | A kind of boring gluing aluminum-based cover plate of PCB and preparation method thereof |
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| C14 | Grant of patent or utility model | ||
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