TWI470885B - Sheathing method of solder terminal with solder and sheathing structure therof - Google Patents

Description

Soldering device and welding terminal arranging method and arranging structure thereof

The invention relates to a method for arranging a soldering member and a sheathing structure thereof, in particular to a method for arranging a soldering member and a soldering terminal and a sheathing structure thereof.

With the advancement of technology, electronic components are becoming more and more miniaturized. In order to make these increasingly miniaturized electronic components accurately soldered to the circuit board, Surface Mount Technology (SMT) is also facing increasing challenges. .

In order to fix the soldering member to the soldering terminal, the conventional method is to insert a solder ball by the tip of the soldering terminal. However, this method has the hidden problem that the solder ball is easily dropped, resulting in poor soldering quality. Or the problem of missing soldering.

In addition, the solder is placed on the side surface of the soldering terminal by means of a side-hanging method. However, this will cause the actual position of the solder to deviate from the soldering terminal, thereby causing inconvenience in accurate positioning during soldering, requiring repositioning and fine adjustment. What's more, in today's trend of miniaturization of electronic components, if there are other parts in the vicinity of the location to be soldered, it will be a thousand miles away, so this method will be felt during the welding operation. Great inconvenience.

The reason is that the present inventors have felt the above-mentioned problems, and have devoted themselves to research and cooperated with the application of the theory, and finally proposed a present invention which is rational in design and effective in improving the above-mentioned defects.

The main object of the present invention is to provide a soldering method and a soldering terminal arranging method and a framing structure thereof, so as to solve the inconvenience that the conventional soldering method is susceptible to solder detachment or soldering due to side suspension.

In order to achieve the above object, the present invention provides a soldering method for a soldering member and a soldering terminal, comprising the steps of: providing a soldering terminal, the soldering terminal is formed with a fixing portion; and providing a soldering member, the soldering member is formed as a set of precursors a structure, the set front drive structure encloses a set of spaces for corresponding to the end of the soldering terminal; and a soldering member formed as the sheathed precursor structure is sleeved on the soldering terminal to complete the soldering piece The sleeve is applied with an external force to the soldering terminal provided with the solder member, and the solder member is interference-coupled to the fixing portion.

In order to achieve the above object, the present invention further provides a sleeve structure for a solder member and a solder terminal, comprising: a solder terminal having a fixing portion; and a solder member having a set of precursor structures, The sheathing structure further includes a set of space, and the soldering member is sleeved on the soldering terminal, and the soldering member is coverably disposed on the fixing portion.

In summary, the present invention can effectively improve the stability of the connection between the solder member and the solder terminal, and greatly reduce the probability of the solder member falling off from the solder terminal, and of course has a more reliable connection effect.

For a better understanding of the features and technical aspects of the present invention, reference should be made to the accompanying drawings.

[First Embodiment]

Referring to FIG. 1A and FIG. 1B , the present invention provides a sleeve structure for a solder member and a solder terminal, comprising: a solder terminal 10 and a solder member 20 .

The soldering terminal 10 may have a square structure (not numbered) at its end, and the square structure has one end through hole (not numbered), and the soldering terminal 10 is further provided with a fixing portion A, so when the soldering member 20 is sleeved When the solder terminal 10 is provided, the fixing portion A can be responsible for enhancing the interference connection of the solder member 20 to the solder terminal 10.

The solder member 20 is preferably in various forms of solder, including solder strips, solder bumps or solder bumps. The solder member 20 preferably needs to form the solder member 20 in advance before the solder terminal 10 is sheathed. The precursor structure 201, and the sheathing structure 201 further encloses a set of a space 202 for corresponding to the soldering terminal 10, and the soldering member 20 (hereinafter referred to as the sheathing structure 201) is sleeved. The space 202 can be sleeved on the soldering terminal 10 corresponding to the soldering terminal 10, and at the same time, the soldering member 20 is coverably disposed on the fixing portion A. However, when the solder member 20 is in the form of a solder bump, the sleeve space 202 may also be formed by being simultaneously pressed while the solder bumps are sleeved on the solder terminal 10.

Preferably, the soldering terminal 10 further has a first front view surface 11, a second front view surface 12, two side edges 13 and a bottom side 14. The fixing portion A may further be a protrusion portion 131 and protrude. The portion 131 is protruded from the two side faces 13 such that when the solder member 20 is cover-coated on the protruding portion 131, the protruding portion 131 acts as an interference member, thereby allowing the solder member 20 to be stably set. The terminal 10 is soldered so as not to drop the solder member 20.

Preferably, the soldering terminal 10 has a width W, and the protruding portion 131 is wider than the width W of the soldering terminal 10; the side edges 13 of the soldering terminal 10 are more recessed with the side recess 132. The soldering member 20 is formed with the front structure 201, and is formed with a covering portion 202, a covering portion 204, an upper end portion 205 or a lower end portion 206. The covering portion 203 is compared in this embodiment. Preferably, the cylindrical cover portion 2031 is provided, and the sleeve space 202 connects the upper end portion 205 and the lower end portion 206 from top to bottom.

Therefore, when the solder terminal 10 is combined with the solder member 20 in the direction of the sleeve space 202, the lower end portion 206 can be flush with the bottom edge 14 of the solder terminal 10, or the lower end portion 206 can be protruded from the bottom edge 14, and the details are further detailed. In other words, the lower end portion 206 can be slightly protruded from the bottom edge 14 such that the lower end portion 206 can slightly extend beyond the bottom edge 14 of the solder terminal 10.

Preferably, after the soldering member 20 is sleeved on the soldering terminal 10, an external force F (not shown) may be applied to the covering portion 203 to strengthen the soldering member 20 to the protruding portion 131 or the pair. The protruding portion 131 and the side recess portion 132 are connected by interference.

[Second embodiment]

2A, 2B, 2C, and 2D, the present embodiment is mainly different from the first embodiment in that the fixing portion A is further a hollow portion 15, and the hollow portion 15 is connected to the first front surface 11 and The second front view surface 12, the solder member 20 is partially trapped in the hollow region 15 to form an indentation portion 207 in the hollow region 15, by the trap portion 207 being trapped in the hollow region 15, and the solder member 20 is soldered. Interference connection of the terminals 10.

The covering portion 203 in the present embodiment has a recessed portion 207 that is recessed in the hollow portion 15, so that the covering portion 203 is preferably an indented cylindrical covering portion 2032.

Preferably, the soldering member 20 can be cut in advance before forming the sheathing structure 201, so that when the front structure 201 is formed, the lower end portion 206 can be further recessed at the lower end portion 206, so that the lower end is removed. The original solder material 20 of the notch 2061 can prevent the lower end portion 206 from being lifted due to the stress when the external force F is received by the joint portion 204, thereby avoiding the influence of the welding process in the future and the positioning problem of the welding position.

Preferably, the lower end portion 206 can also be flush with the bottom edge 14 of the soldering terminal, or the lower end portion 206 can be protruded from the bottom edge 14, and in further detail, the lower end portion 206 can be slightly convexly protruded from The bottom edge 206 is such that the lower end portion 206 extends slightly beyond the bottom edge 14.

[Third embodiment]

Referring to FIG. 3A and FIG. 3B , the difference between the embodiment and the first embodiment is that the covering portion 203 is a bullet-shaped covering portion 2033 , and the bullet-shaped covering portion 2033 is further extended to make the original sleeve. The lower end portion 206 of the precursor structure 201 is in a closed arc state, and only the upper end portion 205 is left, and the sleeve space 202 is opened and opened at the upper end portion 205, similarly, the covering portion 203 or the bullet-shaped covering portion 2033 An external force F (not shown) can be received around to facilitate the interference connection of the solder member 20 to the projections 131.

[Fourth embodiment]

Referring to FIG. 4A and FIG. 4B, the present embodiment is different from the first three embodiments in that the solder member 20 is a strip-shaped solder member, and after being formed by a suitable device, the precursor structure 201 is sheathed. The covering portion 203 has a structure of a thread-shaped covering portion 2034. Therefore, with the present embodiment, the solder member 20 of the present invention can adopt a common solder bar to form the covering portion 203 as a thread-shaped covering portion 2034. The precursor structure 201 is sheathed. The sleeve precursor structure 201 also has a sleeve space 202, an upper end portion 205 and a lower end portion 206. The lower end portion 206 can also be flush with the bottom edge 14 of the soldering terminal, or the lower end portion 206 can be protruded from the bottom edge 14, and in further detail, the lower end portion 206 can be slightly protruded from the bottom edge 206 so that the lower end portion 206 is slightly beyond the bottom edge 14, and similarly, the periphery of the covering portion 203 or the threaded covering portion 2034 can receive an external force F (not shown) to facilitate the interference connection of the solder member 20 to the protruding portion 131.

Referring to FIG. 5 and FIG. 1B and FIG. 1B, the present invention provides a method for arranging a soldering member and a soldering terminal, comprising the steps of: providing a soldering terminal 10, wherein the soldering terminal 10 is formed with a fixing portion A (step S101). Providing a soldering member 20, the soldering member 20 is formed as a set of precursor structure 201, and the sheathing structure 201 surrounds a set of space 202, and the sleeve space 202 is corresponding to the end of the soldering terminal 10 (step S103) And the soldering member 20 formed into the sheathing structure 201 is sleeved on the soldering terminal 10 to complete the sheathing of the soldering member 20, and an external force F is applied to the soldering terminal 10 on which the soldering member 20 is placed (not shown) And the solder member 20 is interference-coupled to the fixed portion A (step S105).

Preferably, the method further includes a step of forming the covering structure 201 to form a covering portion 203, and the formed covering portion 203 can be a cylindrical covering portion 2031 (FIG. 1A) and a trapped column. a shaped cladding portion 2032 (Fig. 2C), a bullet-shaped cladding portion 2033 (Fig. 3A) or a threaded cladding portion 2034 (Fig. 4A), wherein preferably, the cylindrical cladding portion 2031 and the indented cylindrical package The covering portion 2032 is formed from a piece of solder material; the bullet-shaped covering portion 2033 is formed from a piece of solder material; the threaded covering portion 2034 is formed from a strip of soldering member, such as a solder strip, via a suitable The tool and the device are formed by punching the solder strip to form a thread-shaped covering portion 2034 as described above.

After the solder member 20 is formed into the sheath structure 201, the precursor structure 201 is sheathed. In addition to forming the sleeve space 202 and the cladding portion 203, the seam portion 204, the upper end portion 205, and the lower end portion 206 may be formed in the cylindrical cladding portion 2031 and the indented cylindrical cladding portion 2032; The bullet-shaped covering portion 2033 does not have the seam portion 204 and the lower end portion 206. Therefore, the sleeve space 202 of the bullet-shaped covering portion 2033 is opened only at the upper end portion 205, and the thread-shaped covering portion 2034 is also There may be no seam portion 204, but still have a nesting space 202, and the sleeve space 202 communicates with the upper end portion 205 and the lower end portion 206.

Preferably, the soldering terminal 10 has a first front view surface 11, a second front view surface 12, two side edges 13 and a bottom side 14. The fixing portion A can be a protrusion 131 protruding from the two side surfaces 13. In addition, the external force F can be generally applied to any portion of the covering portion 203 to help cover the solder member 20 to the fixing portion A described above.

Preferably, the fixing portion A can also be a hollow portion 15 that communicates with the first front view surface 11 and the second front view surface 12. The external force F causes the solder member 20 to form an indented portion 207 in the hollow portion 15, and the indented portion 207 can be wrapped. The fixing portion A may be provided on the protruding portion 131 protruding from the side surfaces 13 , and the external force F may make the solder member 20 coverably disposed on the protruding portion 131 , and the other sides The recesses 132 may also be recessed, and the side recesses 132 may cooperate with the projections 131 to assist the interference connection of the solder members 20 to the solder terminals 10.

2A, 2B, 2C, and 2D, the external force F provided by the method of the present invention can also cause the solder member 20 to be trapped in the hollow portion 15 and form an indentation portion 207 in the hollow portion 15. Further, The external force F can be applied to the seam portion 204 corresponding to the hollow portion 15, and the purpose is that the seam portion 15 is a portion of the solder member 20 which is weak in structural strength, so that the solder member 20 can be deformed relatively easily, thereby The solder member 20 is efficiently interference-coupled to the solder terminal 10 to enhance the combination of the two.

In summary, the soldering member and the soldering terminal of the present invention and the sheathing method thereof can effectively place the soldering member on the soldering terminal without occupying an excessive space volume and without being required for soldering. In addition, the adjustment of the positioning can effectively simplify the welding step, thus effectively ensuring the efficiency of the welding. However, the above description is only the preferred embodiment of the present invention, and is not intended to limit the scope of the invention, and the equivalents thereof are all included in the scope of the present invention. Within the scope of protection, it is given to Chen Ming.

10‧‧‧ soldering terminal

11‧‧‧First front view

12‧‧‧Second front view

13‧‧‧Side sides

131‧‧‧protrusion

132‧‧‧ undercut

14‧‧‧Bottom

15‧‧‧镂空部

20‧‧‧Solders

201‧‧‧Set the precursor structure

202‧‧‧Set space

203‧‧‧Covering Department

2031‧‧‧Cylindrical cladding

2032‧‧‧Inset cylindrical cover

2033‧‧‧Bullet-shaped cladding

2034‧‧‧Threaded cladding

204‧‧‧Seam

205‧‧‧Upper end

206‧‧‧Bottom

2061‧‧‧ lower end gap

207‧‧‧Incuffed

A‧‧‧Fixed Department

F‧‧‧External force

W‧‧‧Width

1A is an exploded perspective view showing a first embodiment of a sheathing structure of a soldering member and a soldering terminal according to the present invention; FIG. 1B is a perspective view showing a first embodiment of a sheathing structure of a soldering member and a soldering terminal according to the present invention; 2A is a schematic exploded view of a second embodiment of a sheathing structure of a soldering terminal; FIG. 2B is a combined view of a second embodiment of a sheathing structure of a soldering member and a soldering terminal according to the present invention; FIG. 2C is a soldering member and a soldering terminal of the present invention; FIG. 2D is a transverse cross-sectional view of the combined structure of the soldering member and the soldering terminal of the present invention; FIG. 3A is a set of the soldering member and the soldering terminal of the present invention; 3 is a schematic exploded view of the third embodiment of the structure; FIG. 3B is a combination view of the third embodiment of the sheathing structure of the soldering member and the soldering terminal of the present invention; 4A is a schematic exploded view of a fourth embodiment of a sheathing structure of a soldering member and a soldering terminal according to the present invention; FIG. 4B is a combination view of a fourth embodiment of a sheathing structure of a soldering member and a soldering terminal according to the present invention; and FIG. Flow chart of the method for arranging the piece and the welding terminal.

10‧‧‧ soldering terminal

20‧‧‧Solders

203‧‧‧Covering Department

2032‧‧‧Inset cylindrical cover

205‧‧‧Upper end

206‧‧‧Bottom

2061‧‧‧ lower end gap

207‧‧‧Incuffed

Claims (8)

A soldering method for soldering a soldering terminal and a soldering terminal, comprising the steps of: providing a soldering terminal, wherein the soldering terminal is formed with a fixing portion; and providing a soldering member, the soldering member is formed as a set of precursor structure, and the sleeve is provided with a front structure a set space for the end of the soldering terminal; and a soldering member formed as the sheathing precursor structure is sleeved on the soldering terminal to complete the soldering of the soldering member, and the sleeve is provided The soldering terminal of the soldering member applies an external force, and the soldering member is interference-connected to the fixing portion, wherein the soldering terminal has a first front view surface, a second front view surface, two side edges, and a bottom edge. The portion is a hollow portion connecting the first front view surface and the second front view surface, and the external force causes the solder member to form an indented portion in the hollow portion, and the indented portion is coverably disposed on the hollow portion. A soldering method for soldering a soldering terminal and a soldering terminal, comprising the steps of: providing a soldering terminal, wherein the soldering terminal is formed with a fixing portion; and providing a soldering member, the soldering member is formed as a set of precursor structure, and the sleeve is provided with a front structure a set space for the end of the soldering terminal; and a soldering member formed as the sheathing precursor structure is sleeved on the soldering terminal to complete the soldering of the soldering member, and the sleeve is provided The soldering terminal of the soldering member applies an external force, and the soldering member is interference-connected to the fixing portion, wherein the soldering terminal has a first front view surface, a second front view surface, two side edges, and a bottom edge. The portion is a protrusion protruding from the two sides, and the external force causes the solder member to be coverably disposed on the protrusion. A sleeve structure for a solder member and a solder terminal, comprising: a solder terminal having a fixing portion; and a solder member having a set of precursor structures, the sleeve pre-structure Further, a set of space is disposed, the sleeved space corresponding to the soldering terminal, and the soldering member is sleeved on the soldering terminal, and the soldering member is coverably disposed on the fixing portion, wherein the soldering terminal further has a first front view surface, a second front view side, two side edges, and a bottom side, the fixing portion is further a hollow portion, the hollow portion is connected to the first front view surface and the second front view surface, and the solder member is The hollowed out area forms an inset. The arranging structure of the soldering piece and the soldering terminal according to claim 3, wherein the sheathing precursor structure has a covering portion, and the covering portion is an indented cylindrical covering portion, the indentation The cylindrical cap portion further has a lower end portion, and the lower end portion is provided with a lower end notch, and the lower end portion is flush with the bottom edge or the lower end portion is protruded from the bottom edge. A sleeve structure for a solder member and a soldering terminal, comprising: a soldering terminal having a fixing portion; and a soldering member having a set of precursor structures, the sleeved precursor structure further enclosing a set a space for the soldering terminal is disposed on the soldering terminal, and the soldering member is coverably disposed on the fixing portion, wherein the soldering terminal further has a first front surface The second front view surface, the two side edges, and the bottom side, the fixing portion is further a protruding portion, and the protruding portion is protruded from the two side surfaces, and the soldering member is coverably disposed on the protruding portion. The arranging structure of the soldering piece and the soldering terminal according to the fifth aspect of the invention, wherein the sheathing precursor structure has a covering portion, the covering portion is a cylindrical covering portion, and the cylindrical covering portion comprises An upper end portion, a lower end portion and a seam portion, the lower end portion being flush with the bottom edge or the lower end portion protruding from the bottom edge. The arranging structure of the soldering piece and the soldering terminal according to claim 5, wherein the sheathing precursor structure has a covering portion, and the covering portion is a bullet-shaped covering portion, and the bullet-shaped covering portion is The upper end is an upper end, and the lower end of the bullet-shaped cladding portion It is closed in an arc. The arranging structure of the soldering piece and the soldering terminal according to the fifth aspect of the invention, wherein the sheathing precursor structure has a covering portion, the covering portion is a thread-shaped covering portion, and the cylindrical covering portion comprises An upper end portion and a lower end portion, the lower end portion being flush with the bottom edge or the lower end portion protruding from the bottom edge.