CN105628469A - Cross section sample preparation mold and method for preparing cross section sample - Google Patents
Cross section sample preparation mold and method for preparing cross section sample Download PDFInfo
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- CN105628469A CN105628469A CN201511000630.XA CN201511000630A CN105628469A CN 105628469 A CN105628469 A CN 105628469A CN 201511000630 A CN201511000630 A CN 201511000630A CN 105628469 A CN105628469 A CN 105628469A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/286—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q involving mechanical work, e.g. chopping, disintegrating, compacting, homogenising
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/286—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q involving mechanical work, e.g. chopping, disintegrating, compacting, homogenising
- G01N2001/2873—Cutting or cleaving
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
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- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention provides a cross section sample preparation mold and a method for preparing a cross section sample. The mold comprises a rigid outer sleeve, a section glue filling inner sleeve and a section marking inner sleeve. The section marking inner sleeve comprises a rigid shell and elastomer inner pads which are arranged inside the rigid shell and used for carrying movable types. The elastomer inner pads are provided with positioning holes. The section glue filling inner sleeve is used for being filled with resin after a sample is placed, and the section marking inner sleeve and the movable types together form a section marking combined piece. The preparing method comprises the steps of sampling, glue filling, section marking combined piece arranging, aftertreatment and detection. According to the cross section sample preparation mold and the method for preparing a cross section sample, sample preparing and marking procedures are combined, the sample preparing efficiency is improved, and the sample preparing cost is reduced; sections are marked with the movable types, the sample preparing date and a sample mark number can be flexibly marked, a uniform and standard experiment sample marking method is formed, confusion of the cross sections is avoided, and permanent marking facilitates observation records of the sections, review of detection results and the like in a later stage.
Description
Technical field
The invention belongs to printed circuit board production technical field, especially a kind of metallographic section sampling die and utilize this mould prepare printed circuit board metallographic section method.
Background technology
Printed circuit board is one of key part in electronic assembly part, and along with the fast development of electronic science and technology, the Application Areas of electronic product just constantly expands, and this makes the status of printed circuit board production obtain lifting. In view of the reliability of printed circuit board directly affects the quality of electronic product, therefore, the quality promoting printed circuit board is called the focus of attention of industry. The intellectuality of electronic product, portable developing direction, promote printed circuit board manufacturing technology to multiple stratification, integrated direction progress, make printed-circuit board manufacturing technology day by day complicated, if wherein there are quality problems in a certain link, printed circuit board will be caused to scrap, reduce yield rate, therefore must judge to manufacture by certain detection technique the quality of product, to safeguard the market competitiveness of enterprise. At present, the detection method of printed circuit board is numerous, but the most directly perceived, economical, be exactly metallographic section detection technique accurately and reliably, this technology becomes the conventional products quality monitoring technology of printed circuit board manufacturing concern.
Metallographic section (cross-section has another name called section) detection technique, is, with special liquid resin, sample is wrapped up sealing, then carries out a kind of exemplar detection method of grinding and polishing and observation. Testing process comprises sampling, sealing, label, grinding, polishing, microscopic examination and photograph, finally obtain sample and block shape looks photo, the cracking data such as layering size or size, it is a kind of the most frequently used sample preparation and detection means of observing sample in cross section weave construction situation, therefore the making observing sample is one of committed step of metallographic section detection technique, the concern being subject to people, and propose multiple sample and make mould and using method. At present, two aspects are concentrated on for the cut into slices research of sampling die of metallographic: how (1) realizes Multi-example simultaneously sample preparation, to promote the efficiency of sample preparation, meets pattern detection quantity fast growth to the requirement of sample preparation speed. Such as: Chinese patent CN202372390U proposes a kind of printed board metallographic specimen encapsulation structure, and this mould, by adding the mode of attached plates, solves the problem that traditional moulds only comprises a sample; Chinese patent CN201685181U proposes to solve identical technical barrier by arranging identical pedestal, then arrange different staving forms on pedestal; Chinese patent CN103792119A, by arranging the mode of multiple sample cell in metallographic sample preparation mould, shortens the sample preparation time and improves analysis efficiency. (2) for the character of special printing plate, it is to increase the quality of sample preparation, it is to increase section grinding planeness, accuracy etc. Such as: a kind of ultra-thin circuit board gold that Chinese patent CN203418469U proposes is cut into slices retaining clip mutually; The metallographic detection means of a kind of flexible electric circuit board that Chinese patent CN104684242A proposes and making method thereof; Chinese patent CN102879246A proposes a kind of employing thin-film material and realizes encapsulation chip metallographic sample preparation method and metallographic sample mould. By these measures, sample can be prevented in the problem such as bending, deformation in sample preparation stage, solve special circuit board sample preparation difficulty height, sampling detection data accuracy is low, sampling testing cost is high problem. Contriver finds in actual applications, along with needing the quick increase detecting printed board sample number, and actual production process usually needs to produce once and observe the appearance of the situations such as multiple metallographic sections, existing sample preparation marking method existing defects in actual applications. Such as mark mode is artificially random big, easily because lengthening storage period, place, ambient moisture is big or in placement process, the situation such as friction is faded even disappearance etc. gradually for sample labeling, and unified marking method lack of standardization and mark are difficult to lastingly the tracking of the check of detected result, in the future problem be brought difficulty. To this, contriver is by casting principle and type printing technology, it is proposed that a kind of printed board sample preparation is combined in mark together with printed circuit board metallographic cut into slices sampling die and using method thereof. Exemplar sealing and mark one step are completed by the method, it may be achieved to the permanent unified mark of metallographic section, can solve artificial random big, the detected result of existing sample preparation numbering and reappear by problems such as time effects.
Summary of the invention
It is an object of the invention to for problems of the prior art, it is proposed to a kind of exemplar sealing in sample preparation and sample labeling are completed simultaneously printed circuit board metallographic section mould and utilize this mould prepare printed circuit board metallographic section sample method.
For achieving the above object, the present invention provides a kind of metallographic section sampling die, comprising: glue inner sleeve and biopsy marker inner sleeve are filled with in the section of rigidity overcoat, rigidity jacket internal; Described biopsy marker inner sleeve is positioned at section and fills with above glue inner sleeve, comprise stiffener shell, stiffener enclosure for placing pad in the elastomerics of type; Pad is provided with the pilot hole for fixing type in elastomerics, and described section fills with glue inner sleeve for placing resin by injection after sample, and described biopsy marker inner sleeve and type form biopsy marker subassembly jointly.
In elastomerics, pad is as the prop carrier of type. The locating and machining holes such as moulding according to type in pad in elastomerics, the number placing type are used for location and the support of type.
As optimal way, in described elastomerics, pad top is provided with top cover. Top cover size is consistent with the outer wall dimension of biopsy marker inner sleeve, can fasten in elastomerics with the stiffener shell card of biopsy marker inner sleeve and pad, and makes type keep vertical simultaneously.
As optimal way, described pilot hole is the blind hole that rebasing portion upwards extends in elastomerics.
As optimal way, described pilot hole is the through hole running through rebasing portion in elastomerics.
As optimal way, the external diameter that the internal diameter of described rigidity overcoat fills with glue inner sleeve with section is identical, and the outer wall dimension that biopsy marker outer wall of inside race size fills with glue inner sleeve with section is in the same size. Can closely be set with section like this and fill with glue inner sleeve, for whole mould provides rigid support effect, prevent the mechanical deformation in sample making course.
As optimal way, the stiffener shell of described rigidity overcoat, biopsy marker inner sleeve, type are that metal rigidity material or rigid plastics are made, and section is filled with and padded in glue inner sleeve, elastomerics as resilient material is made.
Metal rigidity material is such as cast iron, stainless steel, and rigid plastics is such as plastics etc. such as tetrafluoroethylene, polyethylene terephthalate, polystyrene. Resilient material is such as silica gel etc.
As optimal way, described type comprises the date type and/or the main label type of sample numbered for show sample, the secondary label type of sample that make the date for show sample.
Date type comprises the information such as numeral " 0��9 ", " year, month, day ", to form * * * * * * * day month * etc. making date mark. Sample label type comprises the information such as numeral " 0��9 ", letter " A��Z ", to form the sample labelings such as No. *, * * *.
As optimal way, described type is cube structure.
As optimal way, the stiffener outer casing thickness length 5��8mm of the length ratio biopsy marker inner sleeve of described type.
In actual procedure, sometimes section is filled with resin in glue inner sleeve and can not be filled up completely, and resin curing process can shrink, and causes resin face and section to fill with glue inner sleeve top and difference of altitude occurs. Height to paper specific rigidity body case length 5��8mm, makes enough the stretching in resin of type, to form word in the resin shunk.
For achieving the above object, the present invention also provides a kind of method utilizing above-mentioned mould to prepare metallographic section sample, comprises the steps:
(1) sampling: be positioned in template by printed circuit board model, drift, just to the position that need to sample, firmly rotates handwheel and cuts sample, takes section from sample chute mouth, or position to be detected is cut down by use cutting machine;
(2) filling with glue: section is filled with glue inner sleeve and puts into rigidity overcoat, be positioned on flat board, then section being stood on cuts into slices fills with in glue inner sleeve, the liquid resin alignment sample being added with catalyzer and solidifying agent is injected section filling glue inner sleeve and forms colloid;
(3) biopsy marker subassembly is placed: pad in elastomerics is put into the stiffener shell of biopsy marker inner sleeve, corresponding type is chosen according to sample making date and sample label, and by the corresponding pilot hole of pad in type insertion, biopsy marker subassembly outer wall is smeared releasing agent, and it is positioned over the surface that glue inner sleeve is filled with in section, ensure and make type insertion colloid 3��5mm;
(4) aftertreatment and detection: after colloid solidifies, fills with glue inner sleeve by section and ejects from rigidity overcoat, and glue inner sleeve is filled with in extruding section makes biopsy marker subassembly and section fill with glue inner sleeve, preparation sample separation, obtains the sample of Unified number; Then section sample is carried out grinding and polishing, at metallography microscope Microscopic observation, correlation detection data can be obtained.
The useful effect of the present invention is: achieve sample and make and the merging of marking procedures, it is to increase sample preparation efficiency, reduce sample preparation cost; Type is used section to be marked, sample making date and sample label can be marked flexibly, form the experiment sample marking method of unified specification, obscuring between avoiding multiple metallographic to cut into slices, and permanent marking is beneficial to the observed and recorded of later stage section and the check etc. of detected result.
Accompanying drawing explanation
Fig. 1 is whole metallographic section sampling die sectional view in embodiment 1.
Fig. 2 is the sectional view of biopsy marker inner sleeve in embodiment 1.
Fig. 3 is the stiffener shell vertical view of biopsy marker inner sleeve in embodiment 1.
Fig. 4 is the stiffener cut-away view of outer cover of biopsy marker inner sleeve in embodiment 1.
Fig. 5 is the elastomerics interior pad vertical view of biopsy marker inner sleeve in embodiment 1.
Fig. 6 is the elastomerics interior pad sectional view of biopsy marker inner sleeve in embodiment 1.
Fig. 7 is the capping top view of biopsy marker inner sleeve in embodiment 1.
Fig. 8 is the top cover sectional view of biopsy marker inner sleeve in embodiment 1.
Fig. 9 is the vertical view of the type used in embodiment 1.
Figure 10 is the left view of the type used in embodiment 1.
Figure 11 is the sectional view of the type used in embodiment 1.
Figure 12 is whole metallographic section sampling die sectional view in embodiment 2.
Figure 13 is the sectional view of biopsy marker inner sleeve in embodiment 2.
Figure 14 is the elastomerics interior pad vertical view of biopsy marker inner sleeve in embodiment 2.
Figure 15 is the elastomerics interior pad sectional view of biopsy marker inner sleeve in embodiment 2.
Figure 16 is the vertical view of the type used in embodiment 2.
Figure 17 is the left view of the type used in embodiment 2.
Figure 18 is the sectional view of the type used in embodiment 2.
Figure 19 is whole metallographic section sampling die sectional view in embodiment 3.
Figure 20 is the sectional view of biopsy marker inner sleeve in embodiment 3.
21 is biopsy marker inner sleeve, and 110 is stiffener shell, and 210 is pad in elastomerics, 211 is date type, 212 is the main label type of sample, and 213 is the secondary label type of sample, and 310 is type, 410 is top cover, 510 is section filling glue inner sleeve, and 511 is resin, and 512 is sample, 610 is rigidity overcoat, and 62 is screens.
Embodiment
Below by way of specific specific examples, embodiments of the present invention being described, those skilled in the art the content disclosed by this specification sheets can understand other advantages and effect of the present invention easily. The present invention can also be implemented by embodiments different in addition or be applied, and the every details in this specification sheets based on different viewpoints and application, can also carry out various modification or change under the spirit not deviating from the present invention.
Embodiment 1
A kind of metallographic section sampling die, comprising: glue inner sleeve 510 and biopsy marker inner sleeve 21 are filled with in the section of rigidity overcoat 610, rigidity overcoat 10 inside; Described biopsy marker inner sleeve 21 is positioned at section and fills with above glue inner sleeve 510, comprise stiffener shell 110, stiffener shell 110 inside for placing pad 210 in the elastomerics of type; In elastomerics, pad is provided with the pilot hole for fixing type, and described pilot hole is the through hole running through rebasing portion in elastomerics. Described section fills with glue inner sleeve 510 for placing the rear resin by injection 511 of sample 512, and described biopsy marker inner sleeve 21 forms biopsy marker subassembly jointly with type 310.
The external diameter that the internal diameter of described rigidity overcoat fills with glue inner sleeve with section is identical, and the outer wall dimension that biopsy marker outer wall of inside race size fills with glue inner sleeve with section is in the same size. Can closely be set with section like this and fill with glue inner sleeve, for whole mould provides rigid support effect, prevent the mechanical deformation in sample making course.
Described type is cube structure. Described type comprises the date type and/or the main label type of sample numbered for show sample, the secondary label type of sample that make the date for show sample. Date type comprises the information such as numeral " 0��9 ", " year, month, day ", to form * * * * * * * day month * etc. making date mark. Sample label type comprises the information such as numeral " 0��9 ", letter " A��Z ", to form the sample labelings such as No. *, * * *. The stiffener outer casing thickness length 5��8mm of the length ratio biopsy marker inner sleeve of described type.
As shown in Figure 5, in the present embodiment elastomerics pad date type 211 along elastomerics, pad the rounded distribution in edge, the main label type 212 of sample and secondary label type 213 are positioned at elastomerics pad middle part, and main label type and secondary label type all can select the one in numeral, letter or combination flexibly.
In elastomerics, pad is as the prop carrier of type. The locating and machining holes such as moulding according to type in pad in elastomerics, the number placing type are used for location and the support of type.
In described elastomerics, pad top is provided with top cover 410. Top cover size is consistent with the outer wall dimension of biopsy marker inner sleeve, can fasten in elastomerics with the stiffener shell card of biopsy marker inner sleeve and pad, and makes type keep vertical simultaneously.
The stiffener shell of described rigidity overcoat, biopsy marker inner sleeve, type are that metal rigidity material or rigid plastics are made, and section is filled with and padded in glue inner sleeve, elastomerics as resilient material is made. Metal rigidity material is such as cast iron, stainless steel, and rigid plastics is such as plastics etc. such as tetrafluoroethylene, polyethylene terephthalate, polystyrene. Resilient material is such as silica gel etc.
The present embodiment also provides a kind of method utilizing above-mentioned mould to prepare metallographic section sample, comprises the steps:
(1) sampling: be positioned in template by printed circuit board model, drift, just to the position that need to sample, firmly rotates handwheel and cuts sample, takes section from sample chute mouth, or position to be detected is cut down by use cutting machine;
(2) filling with glue: section is filled with glue inner sleeve and puts into rigidity overcoat, be positioned on flat board, then section being stood on cuts into slices fills with in glue inner sleeve, the liquid resin alignment sample being added with catalyzer and solidifying agent is injected section filling glue inner sleeve and forms colloid;
(3) biopsy marker subassembly is placed: pad in elastomerics is put into the stiffener shell of biopsy marker inner sleeve, corresponding type is chosen according to sample making date and sample label, and by the corresponding pilot hole of pad in type insertion, biopsy marker subassembly outer wall is smeared releasing agent, and it is positioned over the surface that glue inner sleeve is filled with in section, ensure and make type insertion colloid 3��5mm;
(4) aftertreatment and detection: after colloid solidifies, fills with glue inner sleeve by section and ejects from rigidity overcoat, and glue inner sleeve is filled with in extruding section makes biopsy marker subassembly and section fill with glue inner sleeve, preparation sample separation, obtains the sample of Unified number; Then section sample is carried out grinding and polishing, at metallography microscope Microscopic observation, correlation detection data can be obtained.
Embodiment 2
The present embodiment is substantially identical with embodiment 1, difference is: in the present embodiment elastomerics pad date type 211 in elastomerics, pad central authorities linearly distribute, the main label type 212 of sample and secondary label type 213 are positioned at the both sides up and down of the date type 211 at elastomerics pad middle part, and main label type and secondary label type all can select the one in numeral, letter or combination flexibly.
As shown in figs. 16-18, the type that the present embodiment uses is suspended in elastomerics by the screens 62 at top to pad.
Embodiment 3
The present embodiment is substantially identical with embodiment 1, and difference is: described pilot hole is the blind hole that rebasing portion upwards extends in elastomerics. As shown in figure 19, blind hole makes type keep vertical for fixing type simultaneously. Therefore in the present embodiment, biopsy marker inner sleeve does not need top cover.
Above-described embodiment is the principle of illustrative the present invention and effect thereof only, but not for limiting the present invention. Above-described embodiment all under the spirit not running counter to the present invention and category, can be modified or change by any person skilled in the art scholar. Therefore, in all art, tool usually intellectual is not departing under disclosed spirit and technological thought all the equivalence modifications completed or change, and must be contained by the claim of the present invention.
Claims (10)
1. a metallographic section sampling die, it is characterised in that, comprising: glue inner sleeve and biopsy marker inner sleeve are filled with in the section of rigidity overcoat, rigidity jacket internal; Described biopsy marker inner sleeve is positioned at section and fills with above glue inner sleeve, comprise stiffener shell, stiffener enclosure for placing pad in the elastomerics of type; Pad is provided with the pilot hole for fixing type in elastomerics, and described section fills with glue inner sleeve for placing resin by injection after sample, and described biopsy marker inner sleeve and type form biopsy marker subassembly jointly.
2. metallographic according to claim 1 section sampling die, it is characterised in that: in described elastomerics, pad top is provided with top cover.
3. metallographic according to claim 1 section sampling die, it is characterised in that: described pilot hole is the blind hole that rebasing portion upwards extends in elastomerics.
4. metallographic according to claim 1 section sampling die, it is characterised in that: described pilot hole is the through hole running through rebasing portion in elastomerics.
5. metallographic according to claim 1 section sampling die, it is characterised in that: the external diameter that the internal diameter of described rigidity overcoat fills with glue inner sleeve with section is identical, and the outer wall dimension that biopsy marker outer wall of inside race size fills with glue inner sleeve with section is in the same size.
6. metallographic according to claim 1 section sampling die, it is characterized in that: the stiffener shell of described rigidity overcoat, biopsy marker inner sleeve, type are that metal rigidity material or rigid plastics are made, section is filled with and is padded in glue inner sleeve, elastomerics as resilient material is made.
7. metallographic according to claim 1 section sampling die, it is characterised in that: described type comprises the date type and/or the main label type of sample numbered for show sample, the secondary label type of sample that make the date for show sample.
8. metallographic according to claim 1 section sampling die, it is characterised in that: described type is cube structure.
9. metallographic according to claim 1 section sampling die, it is characterised in that: the stiffener outer casing thickness length 5��8mm of the length ratio biopsy marker inner sleeve of described type.
10. utilize the mould described in the claims 1 to 9 any one to prepare the method for metallographic section sample, it is characterised in that to comprise the steps:
(1) sampling: be positioned in template by printed circuit board model, drift, just to the position that need to sample, firmly rotates handwheel and cuts sample, takes section from sample chute mouth, or position to be detected is cut down by use cutting machine;
(2) filling with glue: section is filled with glue inner sleeve and puts into rigidity overcoat, be positioned on flat board, then section being stood on cuts into slices fills with in glue inner sleeve, the liquid resin alignment sample being added with catalyzer and solidifying agent is injected section filling glue inner sleeve and forms colloid;
(3) biopsy marker subassembly is placed: pad in elastomerics is put into the stiffener shell of biopsy marker inner sleeve, corresponding type is chosen according to sample making date and sample label, and by the corresponding pilot hole of pad in type insertion, biopsy marker subassembly outer wall is smeared releasing agent, and it is positioned over the surface that glue inner sleeve is filled with in section, ensure and make type insertion colloid 3��5mm;
(4) aftertreatment and detection: after colloid solidifies, fills with glue inner sleeve by section and ejects from rigidity overcoat, and glue inner sleeve is filled with in extruding section makes biopsy marker subassembly and section fill with glue inner sleeve, preparation sample separation, obtains the sample of Unified number; Then section sample is carried out grinding and polishing, at metallography microscope Microscopic observation, correlation detection data can be obtained.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511000630.XA CN105628469B (en) | 2015-12-28 | 2015-12-28 | Microsection sampling die and the method for preparing microsection sample |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511000630.XA CN105628469B (en) | 2015-12-28 | 2015-12-28 | Microsection sampling die and the method for preparing microsection sample |
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| Publication Number | Publication Date |
|---|---|
| CN105628469A true CN105628469A (en) | 2016-06-01 |
| CN105628469B CN105628469B (en) | 2018-07-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201511000630.XA Expired - Fee Related CN105628469B (en) | 2015-12-28 | 2015-12-28 | Microsection sampling die and the method for preparing microsection sample |
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| CN (1) | CN105628469B (en) |
Cited By (3)
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| CN106680272A (en) * | 2016-07-14 | 2017-05-17 | 宜特(上海)检测技术有限公司 | Slicing method of section polishing instrument |
| CN109737867A (en) * | 2018-11-22 | 2019-05-10 | 合肥国轩高科动力能源有限公司 | Method for observing internal structure of battery cell |
| CN115355161A (en) * | 2022-10-21 | 2022-11-18 | 成都汇通西电电子有限公司 | Multi-cavity compression constant-pressure output jet piezoelectric fan |
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| CN106680272A (en) * | 2016-07-14 | 2017-05-17 | 宜特(上海)检测技术有限公司 | Slicing method of section polishing instrument |
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| CN109737867A (en) * | 2018-11-22 | 2019-05-10 | 合肥国轩高科动力能源有限公司 | Method for observing internal structure of battery cell |
| CN115355161A (en) * | 2022-10-21 | 2022-11-18 | 成都汇通西电电子有限公司 | Multi-cavity compression constant-pressure output jet piezoelectric fan |
| CN115355161B (en) * | 2022-10-21 | 2022-12-30 | 成都汇通西电电子有限公司 | Multi-cavity compression constant-pressure output jet piezoelectric fan |
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| Publication number | Publication date |
|---|---|
| CN105628469B (en) | 2018-07-20 |
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