TWI755180B - Copper block browning fixture and manufacturing method thereof - Google Patents

Abstract

A copper block browning fixture and a manufacturing method thereof are provided. The copper block browning fixture includes a substrate and a plurality of accommodating structures. The substrate has a first board surface and a second board surface respectively defined by two opposite sides thereof. Each of the accommodating structures has a first slot that is recessed in the first board surface and a second slot that is recessed in the second board surface. The first slot is in spatial communication with the second slot, and a first opening width of the first slot is less than a second opening width of the second slot. The copper block browning fixture is configured to correspondingly accommodate a plurality of copper blocks through the first slots and the second slots of the accommodating structures. When each of the accommodating structures is used to accommodating the copper block, the first opening width is less than a maximum width of the copper block.

Description

Copper block browning fixture and manufacturing method thereof

The invention relates to a jig and a manufacturing method thereof, in particular to a copper block browning jig and a manufacturing method thereof.

In the prior art, when browning a copper block, a plurality of copper blocks are usually placed in a scoop net and immersed in a browning liquid to perform the browning operation. However, when the browning operation is carried out by the above method, it is not only impossible to perform the browning operation on a large number of copper blocks at the same time, but also during the browning operation, the copper blocks cannot be completely browned because the copper blocks overlap each other. change.

Therefore, how to provide a copper block browning jig and its manufacturing method to overcome the above-mentioned defects through the improvement of the structural design has become one of the important issues to be solved by this business.

The technical problem to be solved by the present invention is to provide a copper block browning fixture and a manufacturing method thereof in view of the deficiencies of the prior art, which can effectively improve the efficiency of the browning operation and the integrity of the copper block browning.

In order to solve the above-mentioned technical problems, one of the technical solutions adopted by the present invention is to provide a copper block browning fixture, which includes: a base plate, which defines a first board surface and a second board surface on opposite sides. ; and a plurality of accommodating structures, which are spaced apart from each other and pass through the base plate; wherein, each of the accommodating structures includes a first groove recessed on the first plate surface and a first groove recessed on the A second groove on the second plate surface, the first groove is spatially connected to the second groove, and a first opening width of the first groove is smaller than the second groove a second opening width; wherein, the copper block browning jig can accommodate a plurality of copper correspondingly through a plurality of the first grooves and a plurality of the second grooves of the plurality of accommodating structures block; wherein, when each of the accommodating structures is used for accommodating the copper block, the width of the first opening is smaller than a maximum width of the copper block.

In order to solve the above-mentioned technical problems, another technical solution adopted by the present invention is to provide a method for manufacturing a copper block browning fixture, which includes: a pre-step, providing a substrate, the substrate is defined on opposite sides a first board surface and a second board surface of the substrate; a first blind scooping step, performing blind work on the first board surface of the substrate to form a plurality of first grooves spaced apart from each other; and a second In the blind scooping step, blind scooping is performed on the second surface of the substrate to form a plurality of second grooves corresponding to the plurality of first grooves in position; After the first blind scooping step and the second blind scooping step, a copper block browning jig is formed; wherein, the plurality of second grooves are respectively connected to the plurality of first grooves in space; Wherein, each of the second grooves and the corresponding first grooves together define an accommodating structure, and in each of the accommodating structures, a first opening width of the first grooves is smaller than a second opening width of the second groove, and the first groove and the second groove communicate with each other and penetrate through the first plate surface and the second plate of the substrate wherein, the copper block browning fixture can accommodate a plurality of copper blocks correspondingly through a plurality of the accommodating structures; wherein, when each of the accommodating structures is used to accommodate the copper blocks , the width of the first opening is smaller than a maximum width of the copper block.

One of the beneficial effects of the present invention is that the copper block browning jig and the manufacturing method thereof provided by the present invention can be achieved by "each of the accommodating structures includes a first plate recessed on the first board surface. a groove and a second groove recessed on the second plate surface, the first groove is spatially connected to the second groove, and a first opening of the first groove The width is smaller than a second opening width of the second groove” and “when each of the accommodating structures is used to accommodate the copper block, the first opening width is smaller than a width of the copper block. "Maximum width" technical solution to effectively improve the efficiency of the browning operation and the integrity of the browning of the copper block.

For further understanding of the features and technical content of the present invention, please refer to the following detailed descriptions and drawings related to the present invention, however, the drawings provided are only for reference and description, not for limiting the present invention.

The following are specific examples to illustrate the embodiments of the "copper block browning fixture and its manufacturing method" disclosed in the present invention. Those skilled in the art can understand the advantages and effects of the present invention from the content disclosed in this specification. The present invention can be implemented or applied through other different specific embodiments, and various details in this specification can also be modified and changed based on different viewpoints and applications without departing from the concept of the present invention. In addition, the drawings of the present invention are merely schematic illustrations, and are not drawn according to the actual size, and are stated in advance. The following embodiments will further describe the related technical contents of the present invention in detail, but the disclosed contents are not intended to limit the protection scope of the present invention.

It should be understood that although terms such as "first", "second" and "third" may be used herein to describe various elements or signals, these elements or signals should not be limited by these terms. These terms are primarily used to distinguish one element from another element, or a signal from another signal. In addition, the term "or", as used herein, should include any one or a combination of more of the associated listed items, as the case may be.

[Copper block browning fixture]

Referring to FIGS. 1 to 3 , FIG. 1 is a schematic diagram of a copper block browning jig according to an embodiment of the present invention, FIG. 2 is a schematic cross-sectional view taken along line II-II of FIG. 1 , and FIG. 3 is an embodiment of the present invention. The schematic diagram of the copper block browning fixture carrying the copper block. An embodiment of the present invention provides a copper block browning jig 100, and the copper block browning jig 100 can be used to simultaneously carry a plurality of copper blocks C to perform a browning operation. Specifically, the browning operation may be performed by soaking the copper block browning jig 100 carrying a plurality of the copper blocks C in a browning liquid, and the browned copper blocks C can be applied to related processes of circuit boards, but the present invention is not limited thereto.

The copper block browning jig 100 includes a substrate 1 and a plurality of accommodating structures 2 formed on the substrate 1 . The substrate 1 defines a first board surface 1a and a second board surface 1b on opposite sides. It should be noted that, the first board surface 1a and the second board surface 1b of the substrate 1 preferably do not have any copper material to prevent the substrate 1 from being affected by the browning process. Browning liquid effect.

A plurality of accommodating structures 2 are spaced apart from each other and penetrate through the substrate 1 . Specifically, each of the accommodating structures 2 includes a first groove 21 and a second groove 22, the first groove 21 is recessed on the first board surface 1a, and the second groove 21 is recessed. The groove 22 is recessed on the second plate surface 1b. In each of the accommodating structures 2, the first groove 21 is spatially communicated with the second groove 22, and a first opening width W1 of the first groove 21 is smaller than the A second opening width W2 of the second groove 22 is provided.

The copper block browning jig 100 can accommodate a plurality of the copper blocks C correspondingly through the plurality of the first grooves 21 and the plurality of the second grooves 22 of the plurality of accommodating structures 2 . When each of the accommodating structures 2 is used to accommodate the copper block C, the first opening width W1 is smaller than a maximum width W3 of the copper block C, and the second opening width W2 is greater than The maximum width W3 of the copper block C, so that the accommodating structure 2 can effectively accommodate the copper block C, and the copper block C will not be separated from the first groove 21 The accommodating structure 2.

In each of the accommodating structures 2 in the present embodiment, the first opening width W1 of the first groove 21 is 40° between the second opening width W2 of the second groove 22 . % to 60%, and a first depth D1 of the first groove 21 is between 30% to 50% of a second depth D2 of the second groove 22, so that each The accommodating structure 2 can preferably accommodate the copper block C, but the present invention is not limited thereto.

It should be noted that, in each of the accommodating structures 2 in this embodiment, it is taken as an example that the shapes of the first groove 21 and the second groove 22 on a horizontal plane are square, but all the The shapes of the first groove 21 and the second groove 22 can be changed according to requirements or corresponding to the shape of the copper block C, which is not limited in the present invention. For example, the shape of the first groove 21 and the second groove 22 on the horizontal plane can also be a rectangle.

In each of the accommodating structures 2, the first groove 21 has a first annular side wall 211, the second groove 22 has a second annular side wall 221, and when each accommodating structure 2 When used for accommodating the copper block C, a first gap G1 between the first ring side wall 211 and the copper block C is not larger than that between the second ring side wall 221 and the copper block C a second gap G2. Preferably, the first gap G1 is between 0.25 mm and 0.75 mm, and the second gap G2 is between 0.75 mm and 1.25 mm.

Further, each of the accommodating structures 2 defines an abutment portion 2a, the abutment portion 2a is located between the first groove 21 and the second groove 22, and when each of the accommodating structures 2 is defined When the structure 2 is used for accommodating the copper block C, the accommodating structure 2 abuts the copper block C through the abutting portion 2 a, thereby preventing the copper block C from being separated from the accommodating structure 2 . In other words, the first groove 21 and the second groove 22 of each accommodating structure 2 similarly form a stepped structure, and the ladder connecting structure is parallel to the first board The part of the surface 1a (or the second board surface 1b) is defined as the abutment part 2a. That is to say, in practical application, the first board surface 1a and the second board surface 1b are preferably disposed downward and upward respectively (as shown in FIG. 3 ).

A preferred number of the accommodating structures 2 included in the copper block browning jig 100 is between 30 and 60, and a more preferred number is between 40 and 50. In this embodiment, a plurality of the accommodating structures 2 are arranged in a staggered manner on the copper block browning jig 100 , and any one of the accommodating structures 2 and the one closest to the accommodating structure 2 are arranged in a staggered manner. The distance therebetween is between 160% and 180% of the second opening width W2. It should be noted that the present invention does not limit the arrangement of the accommodating structures 2. For example, in other embodiments not shown in the present invention, the accommodating structures 2 are arranged in the copper block browning treatment. The tool 100 may also be arranged in a matrix or in other arrangements.

Referring to FIG. 3 , in this embodiment, each of the copper blocks C defines a base C1 and a convex portion C2 protruding from the base C1 . When each of the accommodating structures 2 is used to accommodate the copper block C, the first groove 21 can be used to accommodate the convex portion C2 of the copper block C, and the second concave The groove 22 can be used to accommodate the base C1 of the copper block C. As shown in FIG. In other words, since the accommodating structure 2 penetrates through the substrate 1 , when each of the accommodating structures 2 is used to accommodate the copper block C, the convex portion C2 of the copper block is is accommodated in the first groove 21 and exposed to the external environment from the first groove 21, and the base C1 of the copper block is accommodated in the second groove 22, and The second groove 22 is exposed to the external environment.

In this embodiment, the base portion C1 and the protruding portion C2 of the copper block C are both in the shape of a cube, and the volume of the base portion C1 is larger than the volume of the protruding portion C2, but the shape of the copper block C is It can be changed according to requirements, and is not limited to this embodiment. For example, in other embodiments not shown in the present invention, the copper block C may not have the protruding portion C2, but the present invention is not limited thereto.

In addition, when each of the accommodating structures 2 is used for accommodating the copper block C, each of the accommodating structures 2 abuts the base portion C1 of the copper block C with the abutting portion 2a, And when the copper block browning jig 100 carrying a plurality of the copper blocks C is immersed in the browning liquid to perform the browning operation, each of the copper blocks C will be in the corresponding The accommodating structure 2 is slightly swayed on a horizontal plane, so that each of the copper blocks C can be immersed in the browning liquid in a relatively complete manner.

The substrate 1 has a substrate thickness T1, each of the copper blocks C has a copper block thickness T2, the substrate thickness T1 is greater than the copper block thickness T2, and the substrate thickness T1 and the copper block thickness T2 The absolute value of the difference is between 0.75 mm and 1.25 mm. Through the design that the thickness T1 of the substrate is greater than the thickness T2 of the copper block, when each of the accommodating structures 2 is used for accommodating the copper block C, the copper block C is less likely to escape from the second recess. The groove 22 falls out of the accommodating structure 2 .

In addition, since the thickness T1 of the substrate is greater than the thickness T2 of the copper block, when each of the accommodating structures 2 accommodates the copper block C, the protruding portion C2 of the copper block C is not protruding From the first opening 21 of the accommodating structure 2 , and the base C1 of the copper block C does not protrude from the second opening 22 of the accommodating structure 2 . Accordingly, the chance of the copper block C being damaged due to collision during the browning operation can be effectively reduced.

[Manufacturing method of copper block browning jig]

Please refer to FIGS. 4 to 6 . FIG. 4 is a schematic diagram of the pre-steps of the manufacturing method of the copper block browning jig according to the embodiment of the present invention, and FIG. 5 is the manufacturing of the copper block browning jig according to the embodiment of the present invention. A schematic diagram of the first blind scooping step of the method, FIG. 6 is a schematic diagram of the second blind scooping step of the manufacturing method of the copper block browning jig according to the embodiment of the present invention.

This embodiment also discloses a method for manufacturing a copper block browning jig. The manufacturing method for the copper block browning jig includes a pre-step S110, a first blind scooping step S120, and a second blind Fishing step S130. However, the browning jig of the copper block in this embodiment can be made by the above-mentioned manufacturing method, but the present invention is not limited thereto. Furthermore, the present invention is not limited to the content and sequence of the above-mentioned steps when implementing the method for manufacturing the above-mentioned copper block browning jig.

Each step of the manufacturing method of the copper block browning jig in this embodiment will be described below, and for the structure or other related features of each part in the copper block browning jig, please refer to the above related introduction, the following does not To repeat.

As shown in FIG. 4 , in the preceding step S110 , a substrate 1 is provided, and the substrate 1 defines a first board surface 1 a and a second board surface 1 b located on opposite sides. It should be noted that, the first board surface 1a and the second board surface 1b of the substrate 1 preferably do not have any copper material, and if the first board surface 1a of the substrate 1 or all the When the second board surface 1b has the copper material, the copper material of the substrate 1 may be removed by etching after the pre-step S110 and before the first blind scooping step S120.

As shown in FIG. 5 , in the first blind scouring step S120 , a plurality of first grooves 21 spaced apart from each other are formed by blind labor on the first surface 1 a of the substrate 1 . It should be noted that, in the first blind scooping step S120 , the abutment portion 2 a has not yet been formed on the substrate 1 .

As shown in FIG. 6 , in the second blind scooping step S130 , blind scooping is performed on the second plate surface 1 b of the substrate to form a plurality of first grooves 21 in positions corresponding to the plurality of first grooves 21 respectively. A plurality of second grooves 22 . The substrate 1 is formed into a copper block browning jig 100 after the first blind extraction step S120 and the second blind extraction step S130 are completed.

It should be noted that, in the first blind scooping step S120 in this embodiment, it is taken as an example that a plurality of the first grooves 21 do not penetrate the substrate 1 (as shown in FIG. 6 ), but the present invention Not limited to this. For example, in other embodiments not shown in the present invention, a plurality of the first grooves 21 may also penetrate the substrate 1 . In addition, in this embodiment, the plurality of the first grooves 21 and the plurality of the second grooves 22 may be formed by blind fishing with a blind fishing machine, but the present invention is not limited thereto.

After the second blind fishing step S130 is completed, the plurality of second grooves 22 are spatially connected to the plurality of first grooves 21 respectively. Each of the second grooves 22 and the corresponding first grooves 21 are collectively defined as the accommodating structure 2 , and in each of the accommodating structures 2 , all the first grooves 21 are The first opening width W1 is smaller than the second opening width W2 of the second groove 22 , and the first groove 21 and the second groove 22 communicate with each other and penetrate through the substrate 1 . The first board surface 1a and the second board surface 1b.

[Beneficial effects of the embodiments of the present invention]

One of the beneficial effects of the present invention is that the copper block browning jig and the manufacturing method thereof provided by the present invention can be achieved by "each of the accommodating structures includes a first plate recessed on the first board surface. a groove and a second groove recessed on the second plate surface, the first groove is spatially connected to the second groove, and a first opening of the first groove The width is smaller than a second opening width of the second groove” and “when each of the accommodating structures is used to accommodate the copper block, the first opening width is smaller than a width of the copper block. "Maximum width" technical solution to effectively improve the efficiency of the browning operation and the integrity of the browning of the copper block.

Further, the copper block browning jig and the manufacturing method thereof provided by the present invention can be achieved by "each of the accommodating structures has a top portion, and the top portion is located in the first groove and the between the second grooves, and when each of the accommodating structures is used for accommodating the copper blocks, the accommodating structures abut the copper blocks through the abutting tops” and “in each In each of the accommodating structures, the width of the first opening of the first groove is between 40% and 60% of the width of the second opening of the second groove", So that the copper block browning fixture can better accommodate the copper block, and in the process of the browning operation, the copper block can be more completely immersed in the browning liquid.

The content disclosed above is only a preferred feasible embodiment of the present invention, and is not intended to limit the scope of the present invention. Therefore, any equivalent technical changes made by using the contents of the description and drawings of the present invention are included in the application of the present invention. within the scope of the patent.

100: Copper block browning fixture 1: Substrate 1a: The first board 1b: Second board 2: accommodating structure 2a: to the top 21: First groove 211: First Ring Sidewall 22: Second groove 221: Second Ring Sidewall C: copper block C1: base C2: convex part D1: first depth D2: Second depth G1: first gap G2: Second Gap T1: substrate thickness T2: Copper block thickness W1: first opening width W2: Second opening width W3: maximum width S110: Preliminary Steps S120: The first blind fishing step S130: the second blind fishing step

FIG. 1 is a schematic diagram of a copper block browning jig according to an embodiment of the present invention.

FIG. 2 is a schematic cross-sectional view taken along line II-II of FIG. 1 .

3 is a schematic diagram of a copper block browning jig carrying a copper block according to an embodiment of the present invention.

4 is a schematic diagram of the pre-steps of the manufacturing method of the copper block browning jig according to the embodiment of the present invention.

FIG. 5 is a schematic diagram of a first blind scooping step of a method for manufacturing a copper block browning jig according to an embodiment of the present invention.

6 is a schematic diagram of a second blind scooping step of the method for manufacturing a copper block browning jig according to an embodiment of the present invention.

100: Copper block browning fixture

1: Substrate

1b: Second board

2: accommodating structure

Claims (9)

A copper block browning jig, comprising: a base plate defining a first plate surface and a second plate surface on opposite sides; and a plurality of accommodating structures, which are arranged at intervals and penetrate through the base plate; Wherein, each of the accommodating structures includes a first groove recessed on the first board surface and a second groove recessed on the second board surface, and the first groove is in the The space is connected to the second groove, and a first opening width of the first groove is smaller than a second opening width of the second groove; wherein, the copper block browning fixture can A plurality of copper blocks are correspondingly accommodated by a plurality of the first grooves and a plurality of the second grooves of the plurality of accommodating structures; wherein, when each of the accommodating structures is used for accommodating the In the case of a copper block, the width of the first opening is smaller than a maximum width of the copper block; wherein, the substrate has a substrate thickness, each of the copper blocks has a copper block thickness, and the substrate thickness is greater than the thickness of the copper block. The thickness of the copper block, and the absolute value of the difference between the thickness of the substrate and the thickness of the copper block is between 0.75 mm and 1.25 mm. The copper block browning jig according to claim 1, wherein each of the accommodating structures has a top portion, and the top portion is located between the first groove and the second groove, and When each of the accommodating structures is used for accommodating the copper block, the accommodating structure abuts the copper block through the abutting top. The copper block browning jig according to claim 1, wherein, in each of the accommodating structures, the first opening width of the first groove is between all the widths of the second groove. between 40% and 60% of the width of the second opening; wherein, in each of the accommodating structures, a first depth of the first groove is between a second depth of the second groove Between 30% and 50% of the depth. The copper block browning jig according to claim 1, wherein the copper block browning jig The number of the accommodating structures included is between 30 and 60, and a plurality of the accommodating structures are staggered on the copper block browning fixture, and any one of the accommodating structures The distance between the accommodating structure and the closest one of the accommodating structures is between 160% and 180% of the width of the second opening. The copper block browning jig according to claim 1, wherein each of the copper blocks defines a base portion and a convex portion protruding from the base portion; wherein, when each of the accommodating structures is used for accommodating When the copper block is used, the first groove can be used for accommodating the protruding part of the copper block, and the second groove can be used for accommodating the base part of the copper block. A method for manufacturing a copper block browning fixture, comprising: a pre-step, providing a substrate, the substrate defines a first board surface and a second board surface on opposite sides; a first blind scoop step of blind scooping on the first surface of the base plate to form a plurality of first grooves spaced apart from each other; and a second blind scooping step of blind scooping on the second board surface of the base plate A plurality of second grooves corresponding to the plurality of first grooves are formed; wherein, the substrate is formed into a A copper block browning fixture; wherein, a plurality of the second grooves are respectively connected to a plurality of the first grooves in space; wherein, each of the second grooves and its corresponding first groove The grooves are collectively defined as an accommodating structure, and in each of the accommodating structures, a first opening width of the first groove is smaller than a second opening width of the second groove, and the The first groove and the second groove communicate with each other and penetrate through the first board surface and the second board surface of the substrate; wherein, the copper block browning fixture can pass through a plurality of the The accommodating structure correspondingly accommodates a plurality of copper blocks; wherein, when each of the accommodating structures is used for accommodating the copper blocks, the width of the first opening is smaller than a maximum width of the copper blocks. The method for manufacturing a copper block browning jig according to claim 6, wherein each of the accommodating structures has a top portion, and the top portion is located between the first groove and the second groove and when each of the accommodating structures is used for accommodating the copper blocks, the accommodating structures abut the copper blocks through the abutting tops. The method for manufacturing a copper block browning jig according to claim 6, wherein, in each of the accommodating structures, the first opening width of the first groove is between the width of the second groove The width of the second opening of the groove is between 40% and 60%; wherein, in each of the accommodating structures, a first depth of the first groove is between the second groove. Between 30% and 50% of the second depth. The method for manufacturing a copper block browning jig according to claim 6, wherein the number of the accommodating structures included in the copper block browning jig is between 30 and 60, and a plurality of The accommodating structures are arranged in a staggered manner on the copper block browning jig, and the distance between any of the accommodating structures and the closest one of the accommodating structures is between the second opening Between 160% and 180% of the width.

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