CN215050702U

CN215050702U - Local area coarsening electroplating strip with shielding effect

Info

Publication number: CN215050702U
Application number: CN202023339538.5U
Authority: CN
Inventors: 樊旭; 王杰
Original assignee: Suzhou Li Yuan Seiko Co ltd
Current assignee: Suzhou Li Yuan Seiko Co ltd
Priority date: 2020-12-31
Filing date: 2020-12-31
Publication date: 2021-12-07
Anticipated expiration: 2030-12-31

Abstract

The utility model discloses a local area coarsening electroplating strip with a shielding effect, which comprises an electroplating strip body and a shielding casing, wherein the surface of the electroplating strip body is sheathed with the shielding casing, the outer side of a first lining roll is sheathed with a raw material roll, the outer side of a second lining roll is sheathed with a corrosive material roll, one side of a shell is provided with an open chute, the electroplating strip body needs a coarsening area to be exposed in the open chute through the shielding casing, other areas are shielded, acid substances are conveniently added on the surface of the electroplating strip body through the open chute, the area needing coarsening is subjected to micro-corrosion by chemical reaction, thereby forming a coarsening effect in a target area, the surface of a corrosive body is provided with a concave-convex mouth, in the coarsening process, the surface of a copper alloy is subjected to micro-corrosion, the microscopic surface area is increased, the surface is formed into a concavo-convex shape, and the contact area of resin and the surface of the copper metal is greatly increased, the binding force of the two is also increased, thereby improving the reliability of the product and expanding the product market.

Description

Local area coarsening electroplating strip with shielding effect

Technical Field

The utility model relates to an electroplate strip technical field, specifically be a local region alligatoring electroplates strip with shield effect.

Background

Electroplating is a process of plating a thin layer of other metals or alloys on the surface of some metals by using the principle of electrolysis, and is a process of attaching a layer of metal film on the surface of a metal or other material product by using the action of electrolysis so as to play roles of preventing metal oxidation, improving wear resistance, conductivity, light reflection, corrosion resistance, enhancing appearance and the like.

The traditional pattern electroplating strip has low bonding force with the packaging epoxy resin, has certain limitation in use, and can not meet the requirement of MSL1 (moisture sensitivity grade).

Aiming at the problems, the prior device is improved, and a local area coarsening electroplating strip with a shielding effect is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a local region alligatoring electroplating strip with shield effect adopts this device to work to solved the lower and use problem that has the limitation of surface cohesion in the above-mentioned background.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a strip is electroplated to local region alligatoring with shield effect, includes electroplate a body and shields the cover shell, and the surface cover of electroplating a body is equipped with and shields the cover shell, electroplate a body and roll up with the second including first material of rolling up, one side that first material was rolled up is provided with the second and rolls up the material, shield the cover shell and include casing and alligatoring passageway, the alligatoring passageway has been seted up on the surface of casing, shield the cover shell and pass through alligatoring passageway and electroplate a body coupling.

Further, the first material roll comprises a first inner lining roll and a raw material roll, and the raw material roll is sleeved on the outer side of the first inner lining roll.

Further, the second material roll comprises a second lining roll and a corrosive material roll, and the corrosive material roll is sleeved on the outer side of the second lining roll.

Further, the casing includes uncovered spout and anticorrosive coating, and uncovered spout has been seted up to one side of casing, and uncovered spout is linked together with the alligatoring passageway, and the outside of uncovered spout is provided with the anticorrosive coating.

Furthermore, one end of the open sliding groove is fixedly provided with a limiting sleeve frame, and the limiting sleeve frame is communicated with the coarsening channel.

Furthermore, the surface of the corrosion material roll is provided with a corrosion coarsening strip, and the corrosion coarsening strip corresponds to one end of the limiting sleeve frame.

Further, the corrosion coarsening strip comprises a corrosion body and concave-convex openings, and the concave-convex openings are formed in the surface of the corrosion body.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model provides a local region alligatoring electroplating strip with shield effect, the outside cover that first inside lining was rolled up is equipped with raw materials and rolls up, the outside cover that second inside lining was rolled up is equipped with the corruption material and rolls up, uncovered spout has been seted up to one side of casing, and uncovered spout is linked together with alligatoring passageway, the outside of uncovered spout is provided with the anticorrosive coating, will electroplate the strip body through shielding the cover shell and need the alligatoring region to expose at uncovered spout, shield to other regions, be convenient for add the sour substance in electroplating strip body surface through uncovered spout, utilize chemical reaction will need the alligatoring region to carry out the micro-corrosion, thereby form the alligatoring effect in the target region.

2. The utility model provides a pair of local region alligatoring electroplating strip with shield effect, the surface of corrosive substance is provided with unsmooth mouthful, at the alligator coating in-process, corrodes a little to the copper alloy surface, increases microcosmic surface area, forms unsmooth shape on the surface, makes resin and copper metal surface contact area greatly increased, and both cohesion also increases to improve the reliability of product, enlarge product market.

3. The utility model provides a local region alligatoring electroplating strip with shield effect, uncovered spout has been seted up to one side of casing, and uncovered spout is linked together with alligatoring passageway, the outside of uncovered spout is provided with the anticorrosive coating, the one end fixed mounting of uncovered spout has spacing cover frame, and spacing cover frame is linked together with alligatoring passageway, the surface that corrodes the material and roll up is provided with corrodes alligatoring strip, it is corresponding with the one end of spacing cover frame to corrode alligatoring strip, spacing cover frame sets up the leftmost end at uncovered spout, the position of sour material is injectd in adding, at the in-process that carries out the rolling to the second material roll, the open spout through spacing cover frame one side increases the reaction time who corrodes alligatoring strip.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic view of a second material roll structure of the present invention;

FIG. 3 is a schematic view of the shielding shell structure of the present invention;

fig. 4 is a structural analysis diagram of the corrosion coarsening strip of the present invention.

In the figure: 1. electroplating the strip body; 11. a first material roll; 111. a first roll of liner; 112. a raw material roll; 12. a second material roll; 121. a second roll of liner; 122. corroding the material roll; 1221. corroding the coarsening strip; 12211. a corrosive body; 12212. a concave-convex opening; 2. a shielding casing; 21. a housing; 211. an open chute; 2111. a limiting sleeve frame; 212. an anticorrosive layer; 22. and coarsening the channel.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Please refer to fig. 1 and 3, a local area coarsening electroplating strip with a shielding effect, comprising an electroplating strip body 1 and a shielding case 2, wherein the surface of the electroplating strip body 1 is sleeved with the shielding case 2, the electroplating strip body 1 comprises a first material coil 11 and a second material coil 12, one side of the first material coil 11 is provided with the second material coil 12, the shielding case 2 comprises a shell 21 and a coarsening channel 22, the surface of the shell 21 is provided with the coarsening channel 22, the shielding case 2 is connected with the electroplating strip body 1 through the coarsening channel 22, by coarsening the surface of a copper alloy, the microstructure of the surface of copper is changed, the bonding force between the surface of copper and packaging epoxy resin is enhanced, thereby improving the reliability of an integrated circuit chip, and realizing mass production.

Referring to fig. 1-3, the first material roll 11 includes a first lining roll 111 and a material roll 112, the material roll 112 is sleeved on the outer side of the first lining roll 111, the second material roll 12 includes a second lining roll 121 and a corrosive material roll 122, the corrosive material roll 122 is sleeved on the outer side of the second lining roll 121, the housing 21 includes an open chute 211 and an anticorrosive layer 212, the open chute 211 is formed on one side of the housing 21, the open chute 211 is communicated with the roughening channel 22, the anticorrosive layer 212 is disposed on the outer side of the open chute 211, the area of the electroplating strip body 1 needing roughening is exposed in the open chute 211 through the shielding casing 2, other areas are shielded, acid substances can be added to the surface of the electroplating strip body 1 through the open chute 211, the area needing roughening is subjected to micro-etching by using a chemical reaction, and a roughening effect is formed in the target area.

Referring to fig. 3 and 4, a limiting sleeve frame 2111 is fixedly mounted at one end of the open chute 211, the limiting sleeve frame 2111 is communicated with the roughening channel 22, a corrosion roughening strip 1221 is disposed on the surface of the corrosion material roll 122, the corrosion roughening strip 1221 corresponds to one end of the limiting sleeve frame 2111, the limiting sleeve frame 2111 is disposed at the leftmost end of the open chute 211, the position of the added acid substance is limited, in the process of rolling the second material roll 12, the reaction time of the corrosion roughening strip 1221 is increased through the open chute 211 at one side of the limiting sleeve frame 2111, the corrosion roughening strip 1221 comprises a corrosion body 12211 and a concave-convex opening 12212, the concave-convex opening 12212 is disposed on the surface of the corrosion body 12211, in the roughening process, the surface of the copper alloy is micro-corroded, the microscopic surface area is increased, the concave-convex shape is formed on the surface, the contact area between the resin and the copper metal surface is greatly increased, the bonding force between the resin and the copper metal is also increased, thereby improving the reliability of the product, the product market is expanded.

In summary, the following steps: the utility model provides a local region coarsing electroplating strip with shielding effect, the outside cover of first inside lining book 111 is equipped with raw materials book 112, the outside cover of second inside lining book 121 is equipped with corruption material book 122, open spout 211 has been seted up to one side of casing 21, and open spout 211 is linked together with alligatoring passageway 22, the outside of open spout 211 is provided with anticorrosive coating 212, electroplate strip body 1 through shielding cover shell 2 and need coarsing the region and expose in open spout 211, shield other regions, be convenient for add the neutral acid material to electroplating strip body 1 surface through open spout 211, utilize chemical reaction will need alligatoring region to carry out the micro-corrosion, thereby form the coarsing effect in the target area, the surface of corrosive substance 12211 is provided with unsmooth mouthful 12212, in-process, carry out the micro-corrosion to the copper alloy surface, increase microcosmic surface area, form unsmooth form at the surface, make resin and copper metal surface area of contact greatly increased, both cohesion also increase, thereby improve the reliability of product, uncovered spout 211 has been seted up to one side of casing 21, and uncovered spout 211 is linked together with alligatoring passageway 22, the outside of uncovered spout 211 is provided with anticorrosive coating 212, the one end fixed mounting of uncovered spout 211 has spacing cover frame 2111, and spacing cover frame 2111 is linked together with alligatoring passageway 22, the surface that corrodes material book 122 is provided with corrodes alligatoring strip 1221, it is corresponding with the one end of spacing cover frame 2111 to corrode alligatoring strip 1221, spacing cover frame 2111 sets up the leftmost end at uncovered spout 211, prescribe a limit to the position of adding the sour material, in the in-process of rolling is rolled up to second material book 12, the reaction time of corroding alligatoring strip 1221 is increased through the uncovered spout 211 of spacing cover frame 2111 one side.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a strip is electroplated to local region alligatoring with shield effect, includes electroplating strip body (1) and shields cover shell (2), the surface cover of electroplating strip body (1) is equipped with and shields cover shell (2), its characterized in that: the electroplating strip body (1) comprises a first material roll (11) and a second material roll (12), wherein the second material roll (12) is arranged on one side of the first material roll (11);

the shielding case (2) comprises a shell (21) and a roughening channel (22), the roughening channel (22) is formed in the surface of the shell (21), and the shielding case (2) is connected with the electroplating strip body (1) through the roughening channel (22).

2. The locally roughened plating bar of claim 1, wherein: the first material roll (11) comprises a first inner lining roll (111) and a raw material roll (112), and the raw material roll (112) is sleeved on the outer side of the first inner lining roll (111).

3. The locally roughened plating bar of claim 1, wherein: the second material roll (12) comprises a second lining roll (121) and a corrosive material roll (122), and the corrosive material roll (122) is sleeved on the outer side of the second lining roll (121).

4. The locally roughened plating bar of claim 1, wherein: casing (21) are including uncovered spout (211) and anticorrosive coating (212), and uncovered spout (211) have been seted up to one side of casing (21), and uncovered spout (211) are linked together with alligatoring passageway (22), and the outside of uncovered spout (211) is provided with anticorrosive coating (212).

5. The locally roughened plating bar of claim 4, wherein: one end of the open sliding groove (211) is fixedly provided with a limiting sleeve frame (2111), and the limiting sleeve frame (2111) is communicated with the coarsening channel (22).

6. The locally roughened plating bar of claim 3, wherein: the surface of the corrosion material coil (122) is provided with a corrosion coarsening strip (1221), and the corrosion coarsening strip (1221) corresponds to one end of the limiting sleeve frame (2111).

7. The locally roughened plating bar of claim 6, wherein: the corrosion coarsening strip (1221) comprises a corrosion body (12211) and concave-convex openings (12212), and the concave-convex openings (12212) are arranged on the surface of the corrosion body (12211).