CN106304690B - A method of assessment reinforcing material inorganic agent and Desmear liquid medicine compatibility - Google Patents
A method of assessment reinforcing material inorganic agent and Desmear liquid medicine compatibility Download PDFInfo
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- CN106304690B CN106304690B CN201610935340.2A CN201610935340A CN106304690B CN 106304690 B CN106304690 B CN 106304690B CN 201610935340 A CN201610935340 A CN 201610935340A CN 106304690 B CN106304690 B CN 106304690B
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- reinforcing material
- desmear
- substrate
- unstressed
- liquid medicine
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- 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
- H05K3/38—Improvement of the adhesion between the insulating substrate and the metal
- H05K3/381—Improvement of the adhesion between the insulating substrate and the metal by special treatment of the substrate
Abstract
The present invention provides a kind of methods for assessing reinforcing material inorganic agent and Desmear liquid medicine compatibility, which is characterized in that the described method comprises the following steps: obtaining the substrate of unstressed damage；Desmear processing is carried out to the substrate of unstressed damage；The compatibility of size assessment the reinforcing material inorganic agent and Desmear liquid medicine in the cavity and haloing that are generated around reinforcing material after being handled according to Desmear.The present invention assesses reinforcing material inorganic agent and Desmear liquid medicine compatibility using the substrate of unstressed damage, it can exclude influence of the mechanical stress to substrate, the influence to assessment result such as crackle generated due to mechanical stress to substrate is avoided, the compatibility of reinforcing material inorganic agent Yu Desmear liquid medicine directly can be effectively assessed.
Description
Technical field
The invention belongs to technical field of laminates, and it is compatible with Desmear liquid medicine to be related to a kind of assessment reinforcing material inorganic agent
The method of property.
Background technique
Haloing is phenomenon very common in PCB manufacturing process, and the size of haloing and the resistance to CAF performance of PCB are directly related,
The influence factor of haloing is also relatively more, and wherein glass cloth treating agent is one of key influence factor of haloing.In PCB manufacturing process
Involved in Desmear processing, Desmear be de-smear meaning, essentially consist in processing multi-layer board because drill remain under glue residue,
Internal layer copper is connected with hole copper, and hole copper is prevented to be pulled away from, hole wall can on the other hand be roughened, in favor of rear processing procedure
Learning copper has better attaching surface.Manufacture and its property to the assessment of glass cloth treating agent and Desmear liquid medicine compatibility to PCB
Tool can be assessed to have very important significance.
But the compatibility of glass cloth treating agent Yu Desmear liquid medicine is assessed currently without a kind of reasonable method, it passes
The appraisal procedure of system is that Desmear processing is carried out after the machinings such as drilling either gong plate, and conventional method cannot exclude
The influence of mechanical stress, mechanical stress can make substrate generate certain defect, such as crackle, and the presence of these defects will affect
The assessment of the subsequent compatibility for glass cloth treating agent and Desmear liquid medicine.
Therefore to solve the above-mentioned problems, it is expected that obtain one kind directly can effectively assess reinforcing material inorganic agent with
The method of Desmear liquid medicine compatibility.
Summary of the invention
In view of the deficiencies of the prior art, the purpose of the present invention is to provide a kind of assessment reinforcing material inorganic agent with
The method of Desmear liquid medicine compatibility, method of the invention can damage to avoid mechanical stress to substrate, thus more efficient
The compatibility of ground assessment reinforcing material inorganic agent and Desmear liquid medicine.
In order to achieve that object of the invention, the invention adopts the following technical scheme:
The present invention provides a kind of method for assessing reinforcing material inorganic agent and Desmear liquid medicine compatibility, the method packet
Include following steps:
(1) substrate of unstressed damage is obtained；
(2) Desmear processing is carried out to the substrate of unstressed damage；
(3) the size assessment reinforcing material in the cavity and haloing that are generated around reinforcing material after being handled according to Desmear
The compatibility of inorganic agent and Desmear liquid medicine.
In the present invention, using the substrate of unstressed damage to reinforcing material inorganic agent and Desmear liquid medicine compatibility into
Row assessment, can exclude influence of the mechanical stress to substrate, avoid crackle generated due to mechanical stress to substrate etc. to commenting
Estimate the influence of result, directly can effectively assess the compatibility of reinforcing material inorganic agent Yu Desmear liquid medicine.
In method of the present invention, the reinforcing material inorganic agent is silane coupling agent.
Preferably, the reinforcing material is glass fabric and/or non-woven fabrics.
In method of the present invention, the substrate is laminate or copper-clad plate.
In method of the present invention, reinforcing material included in the laminate or copper-clad plate is to utilize strengthening material
Expect the processed reinforcing material of inorganic agent.Reinforcing material inorganic agent uses when preparing laminate and copper-clad plate, to improve
The compatibility of resin and reinforcing material, and then interlayer adhesion and other performances etc. for enhancing laminate or copper-clad plate, thus
Obtain laminate of good performance or copper-clad plate.
In method of the present invention, the substrate of the unstressed damage is by unstressed processing or microstress processing
It obtains.
Preferably, the substrate of the unstressed damage is obtained by ion grinding and/or mechanical lapping.
The present invention obtains the substrate of unstressed damage by unstressed processing or microstress processing, excludes due to mechanical stress
The influence to further evaluation result such as crackle of generation.
In the present invention, when carrying out Desmear processing to the substrate of unstressed damage, the meeting of Desmear liquid medicine and strengthening material
Expect that chemical action occurs for inorganic agent, cavity can be generated around reinforcing material, is observed that haloing from its survey face.
In the present invention, step (3) assessment refers to produces around Desmear treated reinforcing material according to sample
The relative size of raw cavity and haloing assesses the compatibility of reinforcing material inorganic agent and Desmear liquid medicine in sample.Therefore
The compatibility of reinforcing material inorganic agent measured by the present invention and Desmear liquid medicine is a kind of relative assessment as a result, for example to four
A sample is utilized respectively the method for the present invention to assess the compatibility of reinforcing material inorganic agent Yu Desmear liquid medicine, according to four samples
The relative size in the cavity and haloing that are generated around the reinforcing material that product are tested, at the reinforcing material to compare four samples
Manage the relatively strong and weak of the compatibility of agent and Desmear liquid medicine.
As optimization technique method, the side of assessment reinforcing material inorganic agent and Desmear liquid medicine compatibility of the present invention
Method the following steps are included:
(1) substrate of unstressed damage is obtained by unstressed processing or microstress processing；
(2) Desmear processing is carried out to the substrate of unstressed damage；
(3) relative size in the cavity and haloing generated around reinforcing material after Desmear processing according to sample is commented
Estimate the compatibility of reinforcing material inorganic agent and Desmear liquid medicine in sample.
In the present invention, Desmear processing refers to chemical degumming Slag treatment, term " Desmear medicine used in the present invention
Water " can be replaced with " Desmear medicament " or " Desmear inorganic agent ".
Compared with the existing technology, the invention has the following advantages:
In the present invention, using the substrate of unstressed damage to reinforcing material inorganic agent and Desmear liquid medicine compatibility into
Row assessment, can exclude influence of the mechanical stress to substrate, avoid crackle generated due to mechanical stress to substrate etc. to commenting
Estimate the influence of result, directly can effectively assess the compatibility of reinforcing material inorganic agent Yu Desmear liquid medicine.
Detailed description of the invention
Fig. 1 is the scanning electron microscope (SEM) photograph of the substrate of unstressed damage obtained in the embodiment of the present invention 1；
Fig. 2, which is the embodiment of the present invention 1, carries out Desmear treated scanning electron microscope (SEM) photograph for the substrate of unstressed damage；
Fig. 3 is the figure for the haloing that the substrate of unstressed damage obtain after Desmear processing by the embodiment of the present invention 1.
Specific embodiment
The technical scheme of the invention is further explained by means of specific implementation.Those skilled in the art should be bright
, the described embodiments are merely helpful in understanding the present invention, should not be regarded as a specific limitation of the invention.
Embodiment 1
In the present embodiment, the compatibility of reinforcing material inorganic agent Yu Desmear liquid medicine, institute are assessed by the following method
State method the following steps are included:
By copper-clad plate A1、B1、C1、D1(in the copper-clad plate used reinforcing material be glass fabric) is ground by ion
Mill obtains the substrate A of unstressed damage1、B1、C1、D1, wherein the substrate D of unstressed damage1As shown in Figure 1；To unstressed damage
Substrate A1、B1、C1、D1Desmear processing is carried out respectively；Desmear liquid medicine can occur chemistry with glass fibre cloth treating agent and make
With, cavity is formed around glass fabric monofilament, is observed that haloing from its side, it as shown in Figures 2 and 3, can in Fig. 2
Cavity is formed around glass fabric monofilament to find out, empty thickness is in several hundred nanometers to several micron ranges, in figure
The cavity for having indicated 1.30 μm He 874nm size, it can be observed that apparent haloing, the length of haloing are reachable in Fig. 3
129.49μm.According to glass in the relative size in the cavity and haloing that are generated around glass fabric in four samples assessment sample
The compatibility of fiber cloth treating agent and Desmear liquid medicine, wherein observing that the relative size of cavity and haloing is as follows: A1< B1<
C1< D1, then D can be proved1Glass fibre cloth treating agent and the compatibility of Desmear liquid medicine are best in sample.
Embodiment 2
In the present embodiment, the compatibility of reinforcing material inorganic agent Yu Desmear liquid medicine, institute are assessed by the following method
State method the following steps are included:
By copper-clad plate A2、B2、C2、D2(in the copper-clad plate used reinforcing material be non-woven fabrics) is obtained by mechanical lapping
Obtain the substrate A of unstressed damage2、B2、C2、D2；To the substrate A of unstressed damage2、B2、C2、D2Desmear processing is carried out respectively；
With nonwoven cloth treating agent chemical action can occur for Desmear liquid medicine, and cavity is formed around non-woven fabrics monofilament, can be with from its side
Observe haloing.According to nonwoven in the relative size in the cavity and haloing that are generated around reinforcing material in four samples assessment sample
The compatibility of cloth treating agent and Desmear liquid medicine, wherein observing that the relative size of cavity and haloing is as follows: B2< A2< D2<
C2, then C can be proved2Nonwoven cloth treating agent and the compatibility of Desmear liquid medicine are best in sample.
Embodiment 3
In the present embodiment, the compatibility of reinforcing material inorganic agent Yu Desmear liquid medicine, institute are assessed by the following method
State method the following steps are included:
By copper-clad plate A3、B3、C3、D3(in the copper-clad plate used reinforcing material be glass fabric) is ground by ion
Mill obtains the substrate A of unstressed damage3、B3、C3、D3；To the substrate A of unstressed damage3、B3、C3、D3It carries out at Desmear respectively
Reason；With glass fibre cloth treating agent chemical action can occur for Desmear liquid medicine, and cavity is formed around glass fabric monofilament,
Haloing is observed that from its side.According to the relative size in the cavity and haloing that are generated around glass fabric in four samples
The compatibility of glass fibre cloth treating agent and Desmear liquid medicine in sample is assessed, wherein observing empty and haloing relatively large
It is small as follows: D3< B3< C3< A3, then can prove that the compatibility of glass fibre cloth treating agent and Desmear liquid medicine is most in A sample
It is good.
Embodiment 4
In the present embodiment, the compatibility of reinforcing material inorganic agent Yu Desmear liquid medicine, institute are assessed by the following method
State method the following steps are included:
By copper-clad plate A4、B4、C4、D4(in the copper-clad plate used reinforcing material be non-woven fabrics) is obtained by mechanical lapping
Obtain the substrate A of unstressed damage4、B4、C4、D4；To the substrate A of unstressed damage4、B4、C4、D4Desmear processing is carried out respectively；
With nonwoven cloth treating agent chemical action can occur for Desmear liquid medicine, and cavity is formed around non-woven fabrics monofilament, can be with from its side
Observe haloing.According to nonwoven in the relative size in the cavity and haloing that are generated around reinforcing material in four samples assessment sample
The compatibility of cloth treating agent and Desmear liquid medicine, wherein observing that the relative size of cavity and haloing is as follows: C4< A4< D4<
B4, then B can be proved4Nonwoven cloth treating agent and the compatibility of Desmear liquid medicine are best in sample.
Embodiment 5
In the present embodiment, the compatibility of reinforcing material inorganic agent Yu Desmear liquid medicine, institute are assessed by the following method
State method the following steps are included:
By copper-clad plate A5、B5、C5、D5(in the copper-clad plate used reinforcing material be non-woven fabrics) is obtained by mechanical lapping
Obtain the substrate A of unstressed damage5、B5、C5、D5；To the substrate A of unstressed damage5、B5、C5、D5Desmear processing is carried out respectively；
With nonwoven cloth treating agent chemical action can occur for Desmear liquid medicine, and cavity is formed around non-woven fabrics monofilament, can be with from its side
Observe haloing.According to nonwoven in the relative size in the cavity and haloing that are generated around reinforcing material in four samples assessment sample
The compatibility of cloth treating agent and Desmear liquid medicine, wherein observing that the relative size of cavity and haloing is as follows: A5=B5=C5=
D5, then B can be proved4Nonwoven cloth treating agent is suitable with the compatibility of Desmear liquid medicine in sample.
The Applicant declares that the present invention is explained by the above embodiments method detailed of the invention, but the present invention not office
It is limited to above-mentioned method detailed, that is, does not mean that the present invention must rely on the above process steps to be carried out.Technical field
Technical staff it will be clearly understood that any improvement in the present invention, equivalence replacement and auxiliary element to raw material selected by the present invention
Addition, selection of concrete mode etc., all of which fall within the scope of protection and disclosure of the present invention.
Claims (8)
1. a kind of method for assessing reinforcing material inorganic agent and Desmear liquid medicine compatibility, which is characterized in that the method includes
Following steps:
(1) substrate of unstressed damage is obtained；
(2) Desmear processing is carried out to the substrate of unstressed damage；
(3) the size assessment reinforcing material processing in the cavity and haloing that are generated around reinforcing material after being handled according to Desmear
The compatibility of agent and Desmear liquid medicine；
It include reinforcing material in the substrate, and the reinforcing material is to utilize the processed strengthening material of reinforcing material inorganic agent
Material.
2. the method according to claim 1, wherein the reinforcing material inorganic agent is silane coupling agent.
3. the method according to claim 1, wherein the reinforcing material is glass fabric and/or non-woven fabrics.
4. the method according to claim 1, wherein the substrate is laminate or copper-clad plate.
5. the method according to claim 1, wherein the substrate of the unstressed damage is by unstressed processing
Or microstress processing acquisition.
6. the method according to claim 1, wherein the substrate of the unstressed damage is ground by ion
And/or mechanical lapping acquisition.
7. the method according to claim 1, wherein step (3) assessment refers to according to sample in Desmear
The relative size in the cavity and haloing that are generated around treated reinforcing material assess in sample reinforcing material inorganic agent and
The compatibility of Desmear liquid medicine.
8. the method according to claim 1, wherein the described method comprises the following steps:
(1) substrate of unstressed damage is obtained by unstressed processing or microstress processing；
(2) Desmear processing is carried out to the substrate of unstressed damage；
(3) relative size in the cavity and haloing generated around reinforcing material after Desmear processing according to sample assesses sample
The compatibility of reinforcing material inorganic agent and Desmear liquid medicine in product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610935340.2A CN106304690B (en) | 2016-11-01 | 2016-11-01 | A method of assessment reinforcing material inorganic agent and Desmear liquid medicine compatibility |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610935340.2A CN106304690B (en) | 2016-11-01 | 2016-11-01 | A method of assessment reinforcing material inorganic agent and Desmear liquid medicine compatibility |
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| CN106304690A CN106304690A (en) | 2017-01-04 |
| CN106304690B true CN106304690B (en) | 2019-04-30 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1140008A (en) * | 1994-12-01 | 1997-01-08 | 揖斐电株式会社 | Multilayer printed wiring board and process for producing the same |
| CN101864669A (en) * | 2010-06-04 | 2010-10-20 | 上海宏和电子材料有限公司 | Surface treating agent for electronic-grade glass cloth and electronic-grade glass cloth surface produced by using the same |
| CN102775071A (en) * | 2011-05-09 | 2012-11-14 | 代芳 | Manufacture technology for surface-coarsened glass fiber |
| CN103149129A (en) * | 2013-03-04 | 2013-06-12 | 苏州生益科技有限公司 | Testing method for wettability of glass fiber cloth |
| TW201350622A (en) * | 2012-04-19 | 2013-12-16 | Nihon Parkerizing | Self-deposition surface-treating agent for copper, the method for manufacturing copper-containing substrate with resin film |
-
2016
- 2016-11-01 CN CN201610935340.2A patent/CN106304690B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1140008A (en) * | 1994-12-01 | 1997-01-08 | 揖斐电株式会社 | Multilayer printed wiring board and process for producing the same |
| CN101864669A (en) * | 2010-06-04 | 2010-10-20 | 上海宏和电子材料有限公司 | Surface treating agent for electronic-grade glass cloth and electronic-grade glass cloth surface produced by using the same |
| CN102775071A (en) * | 2011-05-09 | 2012-11-14 | 代芳 | Manufacture technology for surface-coarsened glass fiber |
| TW201350622A (en) * | 2012-04-19 | 2013-12-16 | Nihon Parkerizing | Self-deposition surface-treating agent for copper, the method for manufacturing copper-containing substrate with resin film |
| CN103149129A (en) * | 2013-03-04 | 2013-06-12 | 苏州生益科技有限公司 | Testing method for wettability of glass fiber cloth |
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| CN106304690A (en) | 2017-01-04 |
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