JP2010257793A - Electric connection terminal device for signal and method of manufacturing the same - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a signal-use electric connection terminal device capable of securing high contact pressure with processability and shape flexibility improved, and to provide a method of manufacturing the same. <P>SOLUTION: The signal-use electric connection terminal device 10 is structured by integrally arraying a plurality of electric connection terminals on a synthetic resin base 2. The electric connection terminals have metal plating 6 applied to a part to be a solder-mounting part and electric connecting part of a core material for the terminals. The core material for the terminals consists of quenched and cured steel formed into a predetermined shape provided with a part to be a solder-mounting part 15 as well as an electric connecting part by plastic forming, and then, quenched and tempered after the plastic forming. <P>COPYRIGHT: (C)2011,JPO&INPIT

Description

  The present invention relates to a signal electrical connection terminal device such as a connector used for transmitting an electrical signal and a method of manufacturing the same.

  Conventionally, a connector as shown in Patent Document 1 is known as a signal electrical connection terminal device. In this connector, a plurality of electrical connection terminals having spring properties with one end portion serving as a contact portion and the other end portion serving as a terminal portion are arranged side by side on a resin housing.

  The electrical connection terminal in the connector is easy to process in the processing process, it is important to ensure the dimensional accuracy of the shape, and it is important to ensure a high contact pressure as a product.

  The electrical connection terminal in the conventional connector is formed by punching and processing a copper alloy plate material such as phosphor bronze.

  In manufacturing electrical connection terminals by processing such copper alloy plate materials, it is necessary to increase ductility in order to improve workability and increase the degree of freedom of shape, but in this case, the yield strength (elastic limit) is reduced. It is necessary to sacrifice, and in order to increase the contact pressure, it is necessary to increase the yield strength (elastic limit). In this case, it is necessary to sacrifice ductility. At the same time, it is effective to increase the Young's modulus, but the influence of the components is large, and the increase is limited. For this reason, conventionally, in order to secure the degree of freedom of the shape of the electrical connection terminal and secure the contact pressure, the ductility, Young's modulus, and proof strength (elastic limit) are sacrificed to some extent in both ductility and proof stress (elastic limit). ) Is produced by a method of forming when the balance is achieved.

JP-A-6-111872

  As described above, conventionally, molding is performed at a balance between ductility, Young's modulus, and yield strength (elastic limit) at the expense of both ductility and yield strength (elastic limit), so the contact pressure is increased. In addition, there is a restriction in both the degree of freedom and the shape, and there is a problem that it is difficult to reduce the size of the connector while ensuring a high contact pressure.

  The present invention was invented in view of the problems of the conventional example described above, and provides a signal electrical connection terminal device capable of ensuring a high contact pressure while improving workability and shape freedom, and a method for manufacturing the same. Is an issue.

  In order to solve the above problems, the present invention has the following configuration.

  The signal electrical connection terminal device of the present invention is configured by integrally arranging a plurality of electrical connection terminals 1 on a base 2 made of synthetic resin. The present invention is a quench-hardening type steel that is formed into a predetermined shape having a portion 3 that becomes a solder mounting portion and a portion 4 that becomes an electrical connection portion by plastic working, and is quenched and tempered after plastic working. The terminal core material 5 is formed by applying gold plating 6 to at least the portion 3 serving as the solder mounting portion and the portion 4 serving as the electrical connection portion of the terminal core material 5. It is what.

  By adopting such a configuration, it is possible to improve the shape flexibility in molding while ensuring a high contact pressure of the electrical connection terminal 1, and to configure the signal electrical connection terminal device 10 having a high contact pressure. Moreover, since the degree of freedom of shape is excellent and a high contact pressure can be secured, the signal electrical connection terminal device 10 having a high contact pressure can be miniaturized.

  In addition, the method of manufacturing a signal electrical connection terminal device according to the present invention includes a band 7 made of a quench-hardening type steel, and a continuous band that is a part of the width of the band 7 along the longitudinal direction. A step of punching out the pre-processing terminal core material 9 with one end connected to the side edge of the portion 8 so as to be juxtaposed in the longitudinal direction of the plurality of continuous band portions 8, and a plurality of one end portions connected to the continuous band portion 8 Bending the pre-processing terminal core material 9 into a predetermined shape having a portion 3 to be a solder mounting portion and a portion 4 to be an electrical connection portion to form a terminal core material 5; Step of quenching and tempering a plurality of terminal core materials 5 connected to each other, a portion to be at least a solder mounting portion of the plurality of quenched and tempered terminal core materials 5 connected to one end of the continuous band portion 8 3 and the step 4 for forming the electrical connection terminal 1 by applying gold plating 6 to the portion 4 to be the electrical connection portion, A step of forming a signal electrical connection terminal device 10 by integrating a plurality of electrical connection terminals 1 having one end connected to the continuous band portion 8 with a synthetic resin, cutting one end of each electrical connection terminal, and electrical connection for signals The terminal device 10 is manufactured by a step of separating from the continuous band portion 8.

  By adopting such a method, the strip material 7 of the fully hardened steel of the quench hardening type steel is punched and bent, so that it can be processed in a highly ductile state, and the bending radius can be easily increased without generating cracks. Electricity that can be bent small and has a high degree of freedom. In addition, sufficient strength (yield strength) is obtained by quenching and tempering, and high contact pressure is obtained in combination with high Young's modulus. A connection terminal can be formed. As a result, the signal electrical connection terminal device 10 having a high contact pressure can be easily manufactured. Moreover, since it can process in a highly ductile state, the electrical connection terminal can be made compact while securing a high contact pressure, and the electrical connection terminal device for signals 10 can be miniaturized.

  Moreover, the manufacturing method of the electrical connection device of the present invention is a method of forming the band material 7 of the quench-hardening type steel, which is a completely annealed material, of the continuous band portion 8 along the longitudinal direction as a part of the width direction of the band material 7. A step of punching out the pre-processing terminal core material 9 having one end connected to the side edge so as to be juxtaposed in the longitudinal direction of the plurality of continuous strips 8, a plurality of pre-processing terminals having one end connected to the continuous strip 8 Bending the core material 9 into a predetermined shape having a portion 3 to be a solder mounting portion and a portion 4 to be an electrical connection portion to form a terminal core material 5, one end portion being connected to the continuous band portion 8. A step of quenching and tempering the plurality of terminal cores 5, and subjecting the entire plurality of quenched and tempered terminal cores 5 connected at one end to the continuous band portion 8 to electrolytic copper plating or electrolytic silver plating Process, electrolytic nickel plating or electrolytic palladium plating over the above electrolytic copper plating or electrolytic silver plating A gold plating 6 on a portion 3 to be a solder mounting portion and a portion 4 to be an electrical connection portion of the terminal core material 5 which has been subjected to the electrolytic nickel plating or the electrolytic palladium plating over the electrolytic copper plating or the electrolytic silver plating. Forming a plurality of electrical connection terminals 1, a plurality of quenching and tempering ends connected to the continuous band portion 8, the electrolytic copper plating or electrolytic silver plating, and the electrolytic nickel plating or electrolytic palladium plating And forming the signal electrical connection terminal device 10 by integrating the plurality of electrical connection terminals 1 on which the gold plating 6 is applied with synthetic resin, cutting one end portion of each electrical connection terminal 1 and signal electrical connection The terminal device 10 may be manufactured by a process of separating the continuous belt portion 8 from the continuous band portion 8.

  By adopting such a method, the strip material 7 of the fully hardened steel of the quench hardening type steel is punched and bent, so that it can be processed in a highly ductile state, and the bending radius can be easily increased without generating cracks. Small bending work is possible, and by quenching and tempering, sufficient strength (proof strength) is obtained, combined with high Young's modulus, high contact pressure is obtained, and electrical resistance is reduced. As a result, the signal electrical connection terminal device 10 having a high contact pressure and reduced electrical resistance can be easily manufactured. Moreover, since it can process in a highly ductile state, the electrical connection terminal can be made compact while securing a high contact pressure, and the electrical connection terminal device for signals 10 can be miniaturized.

  Since the electrical connection terminal device for signals of the present invention is configured as described above, an electrical connection terminal device having a high contact pressure can be provided.

  Moreover, since the manufacturing method of the electrical connection terminal device of the present invention employs the above-described method, the electrical connection terminal device includes an electrical connection terminal having a high contact pressure even though it can be processed into a free shape by a simple method. In addition, the signal electrical connection terminal device can be easily manufactured.

The strip | belt material before punching with the press in the manufacturing method of this invention is shown, (a) is a top view, (b) is sectional drawing. The punched state is shown, (a) is a plan view, and (b) is a cross-sectional view. The state before a bending process same as the above is shown, (a) is a top view, (b) is sectional drawing. The state which carried out the bending process same as the above is shown, (a) is a top view, (b) is sectional drawing. The state which gave gold plating to the core material for terminals same as the above is shown, (a) is a top view and (b) is a sectional view. The state which remove | eliminated a part of gold plating same as the above and gold-plated the part used as a solder mounting part and the part used as an electrical connection part is shown, (a) is a top view, (b) is sectional drawing. The state which integrated the several electrical connection terminal same as the above with the synthetic resin is shown, (a) is a top view, (b) is sectional drawing. The state which disconnected the electric connection terminal device for signals from the continuous band part same as the above is shown, (a) is a top view, (b) is sectional drawing. (A) is a side view which shows the socket and header of the connector which show an example of the electrical connection terminal apparatus for signals, (b) is a side view of the state which has connected the socket and the header. (A) is a side view which shows the socket and header of the connector which show the other example of the electrical connection terminal apparatus for signals, (b) is a side view of the state which has connected the socket and the header.

  As the signal electrical connection terminal device 10 of the present invention, for example, a connector can be exemplified, and a plurality of electrical connection terminals 1 are integrally arranged in parallel on a base 2 made of synthetic resin.

  The electrical connection terminal 1 provided in the signal electrical connection terminal device 10 has at least a portion 3 serving as a solder mounting portion and a portion 4 serving as an electrical connection portion of the terminal core material 5, and a gold plating 6 applied to each of the solder mounting portions 15. The electrical connection portion 16 is used.

  The terminal core material 5 is formed into a predetermined shape including a portion 3 to be a solder mounting portion and a portion 4 to be an electrical connection portion by plastic working, and is a quench hardening type that is quenched and tempered after plastic working. Made of steel.

  Next, an embodiment of a method for producing the signal electrical connection terminal device 10 of the present invention will be described with reference to FIGS.

  First, as shown in FIG. 1, a band 7 of a completely hardened steel of quench hardening type steel is pressed using a press machine, and is a part of the width direction of the band 7 and the side of the continuous band 8 along the longitudinal direction. A step of forming a punched body 12 as shown in FIG. 2 is performed by punching the unprocessed terminal core material 9 with one end connected to the end edge into a shape in which the plurality of continuous strips 8 are arranged in the longitudinal direction.

  In the embodiment shown in FIG. 2, one side edge of the continuous band portion 8 is connected to one end portion of the pre-processing terminal core material 9 having a narrow band shape at regular intervals in the longitudinal direction so as to have a substantially comb-like shape. An example of punching is shown.

  Next to the punching step, the plurality of pre-processed terminal core members 9 of the punched body 12 are formed into a predetermined shape by using a press machine, with a plurality of locations indicated by alternate long and short dash lines in FIG. The terminal core material 5 having the portion 3 to be a solder mounting portion and the portion 4 to be an electrical connection portion is formed by bending as described above, and one end portion as shown in FIG. 4 is a side edge of the continuous band portion 8. A step of forming a bent body 13 in which a plurality of terminal core materials 5 connected to each other are arranged in the longitudinal direction of the continuous band portion 8 is performed.

  Next to the step of forming the bending body 13, a bending body in which a plurality of terminal cores 5 having one end connected to the side edge of the continuous band portion 8 are arranged in the longitudinal direction of the continuous band portion 8. Step 13 is quenched and tempered.

  After the quenching and tempering steps, a gold plating 6 is applied to the portion 3 to be a solder mounting portion and the portion 4 to be an electrical connection portion of the plurality of terminal cores 5 formed in a predetermined shape as described above. Then, the process of forming the electrical connection terminal 1 is performed. Here, the solder mounting portion 15 is formed by applying the gold plating 6 to the portion 3 that becomes the solder mounting portion formed by bending as described above, and the gold plating 6 is applied to the portion 4 that becomes the electrical connection portion. A connecting portion 16 is formed. In applying the gold plating 6, for example, a voltage is applied while the terminal core material 5 formed in a predetermined shape as described above is immersed in an electrolytic gold plating solution, and the entire terminal core material 5 is gold-plated as shown in FIG. 6, and then a part of the gold plating 6 between the portion 3 which finally becomes the solder mounting portion and the portion 4 which finally becomes the electrical connection portion of the terminal core material 5 formed in the predetermined shape. As shown in FIG. 6, gold plating 6 is applied to the portion 3 to be a solder mounting portion and the portion 4 to be an electrical connection portion. In the figure, reference numeral 6a denotes a portion where the gold plating 6 is removed.

  After the step of applying the gold plating 6, a plurality of electrical connection terminals 1 having one end connected to the continuous band portion 8 are integrated with a synthetic resin, whereby a plurality of bases 2 made of a synthetic resin are formed on the base 2 made of synthetic resin as shown in FIG. The step of forming the signal electrical connection terminal device 10 in which the electrical connection terminals 1 are integrated is performed.

  Next, a step of cutting one end portion of each electrical connection terminal 1 to separate the signal electrical connection terminal device 10 from the continuous band portion 8 is performed, and the signal electrical connection terminal device 10 alone as shown in FIG. Take out.

  When the signal electrical connection terminal device 10 is a connector, the connector is composed of a socket 10a and a header 10b. In the present invention, both or one of the socket 10a and the header 10b of the connector is as described above. To manufacture.

  9 and 10 show examples of a connector socket 10a and a header 10b, which are signal electrical connection terminal devices 10, respectively.

  In the present invention, as described above, the band material 7 of the fully hardened steel of the quench hardening type steel is punched out and bent, so that it can be processed in a highly ductile state and can be easily bent without generating cracks. Bending with a small radius is possible and there is freedom of shape. In addition, after processing, quenching and tempering, followed by gold plating, sufficient steel strength (proof strength) is obtained, combined with high Young's modulus, high contact pressure is obtained, and excellent corrosion resistance It is possible to form the electrical connection terminal 1.

  Therefore, in this embodiment, the signal electrical connection terminal device 10 having a high contact pressure and excellent corrosion resistance can be easily manufactured, and can be processed in a highly ductile state, so that a high contact pressure is ensured. However, the electrical connection terminal can be made compact, and the signal electrical connection terminal device 10 can be downsized.

  Next, other embodiment of the manufacturing method of the electrical connection terminal device 10 for signals of this invention is described.

  In the present embodiment, the band 7 of the quench-hardening steel fully annealed material 7 in the above-described embodiment is punched using a press, the step of forming the bent body 13, and the bent body 13 is quenched and hardened. The process is the same up to the tempering step.

  In the present embodiment, after the quenching and tempering step, electrolytic copper plating or electrolytic silver plating is applied to the plurality of quenched and tempered terminal core materials 5 having one end connected to the continuous band portion 8. The process to apply is implemented.

  Next, a step of applying electrolytic nickel plating or electrolytic palladium plating over the electrolytic copper plating or electrolytic silver plating is performed.

  Next, a gold plating 6 is applied to the portion 3 to be a solder mounting portion and the portion 4 to be an electrical connection portion of the terminal core material 5 subjected to the electrolytic nickel plating or the electrolytic palladium plating, thereby forming the electrical connection terminals 1 respectively. Perform the process.

  Thereafter, a plurality of quenching and tempering ends connected to the continuous band portion 8, and a plurality of the electrolytic copper plating or electrolytic silver plating, electrolytic nickel plating or electrolytic palladium plating, and the gold plating 6 are applied. A step of forming the electrical connection terminal device 10 for signals by integrating the electrical connection terminals 1 with a synthetic resin is performed.

  Next, a step of cutting one end portion of each electrical connection terminal 1 to separate the signal electrical connection terminal device 10 from the continuous band portion 8 is performed, and the signal electrical connection terminal device 10 alone as in the above-described embodiment. Take out.

  In the present embodiment, as in the above-described embodiments, there is a degree of freedom in shape in bending, and a high contact pressure can be obtained, and the electrical connection terminal 1 having excellent corrosion resistance can be formed. In addition to the effect, a predetermined thickness of copper plating is applied to the surface of the terminal core material 5 to be the electrical connection terminal 1, so that the electric current flows through the copper plating portion, thereby reducing the electrical resistance.

  Therefore, the signal electrical connection terminal device 10 manufactured according to the present embodiment has an electrical connection terminal that has a higher degree of freedom in processing, a high contact pressure, excellent corrosion resistance, and reduced electrical resistance. The signal electrical connection terminal device 10 can be easily manufactured, and the signal electrical connection terminal device 10 can be downsized.

  Next, specific examples of the present invention will be described.

Example 1
A strip material 7 of 0.08 mm thickness and 12 mm width made of SUS420J2 annealed steel strip is used as a raw material, and this strip material 7 is part of the width direction of the strip material 7 along the longitudinal direction using a press machine. A punched body 12 having a comb-tooth shape was formed by punching the terminal core material 9 before one end connected to the side edge of the continuous band portion 8 so as to be juxtaposed in the longitudinal direction of the plurality of continuous band portions 8. .

  Next, a plurality of pre-processed terminal core materials 9 of the punched body 12 punched and formed as described above are bent at a plurality of locations so as to have a predetermined shape using a press machine, thereby forming a solder mounting portion 3. And a terminal core material 5 having a portion 4 to be an electrical connection portion is formed, and a plurality of terminal core materials 5 having one end portion connected to a side edge of the continuous band portion 8 in the longitudinal direction of the continuous band portion 8. Bending bodies 13 arranged in parallel were formed.

  Next, the bending processed body 13 was quenched by air cooling after being held at 1050 ° C. for 30 seconds using a tubular continuous furnace, and further tempered by being air cooled after being held at 250 ° C. for 30 seconds.

  Next, a voltage is applied while immersing a plurality of terminal cores 5 formed in a predetermined shape in an electrolytic gold plating solution to give a gold plating 6 having a thickness of 0.1 μm, and then formed into the predetermined shape. Part 3 of the terminal core material 5 that finally becomes the solder mounting portion is removed by laser from the portion 3 that finally becomes the electrical connection portion, and the portion 3 that becomes the solder mounting portion. And the gold plating 6 was given to the part 4 used as an electrical connection part, and the electrical connection terminal 1 was formed.

  Next, a signal electrical connection terminal device in which a plurality of electrical connection terminals 1 having one end connected to the continuous band portion 8 are integrated with a synthetic resin, and the plurality of electrical connection terminals 1 are integrated with a synthetic resin base 2. 10 was formed.

  Next, one end of each electrical connection terminal 1 is cut, the signal electrical connection terminal device 10 is separated from the continuous band portion 8, and the signal electrical connection terminal device 10 alone is taken out. ) Was manufactured.

(Example 2)
A strip material 7 of 0.08 mm thickness and 12 mm width made of SUS420J2 annealed steel strip is used as a raw material, and this strip material 7 is part of the width direction of the strip material 7 along the longitudinal direction using a press machine. A punched body 12 having a comb-tooth shape was formed by punching the terminal core material 9 before one end connected to the side edge of the continuous band portion 8 so as to be juxtaposed in the longitudinal direction of the plurality of continuous band portions 8. .

  Next, a plurality of pre-processed terminal core materials 9 of the punched body 12 punched and formed as described above are bent at a plurality of locations so as to have a predetermined shape using a press machine, thereby forming a solder mounting portion 3. And a terminal core material 5 having a portion 4 to be an electrical connection portion is formed, and a plurality of terminal core materials 5 having one end portion connected to a side edge of the continuous band portion 8 in the longitudinal direction of the continuous band portion 8. Bending bodies 13 arranged in parallel were formed.

  Next, the bent processed body 13 was quenched by air cooling after being held at 1100 ° C. for 30 seconds using a tubular continuous furnace, and further tempered by being air cooled after being held at 300 ° C. for 30 seconds.

  Next, after activating the 5 parts of the terminal core material formed by bending, a voltage was applied while being immersed in an electrolytic copper plating solution (copper cyanide bath) to give a 2.5 μm thick copper plating. .

  Next, a voltage was applied while immersing the copper-plated terminal core material 5 in an electrolytic nickel plating solution (nickel sulfamate bath) to carry out nickel plating with a thickness of 2.0 μm.

  Next, a voltage is applied while immersing the terminal core material 5 on which the electrolytic nickel plating has been applied over the electrolytic copper plating in an electrolytic gold plating solution to give a gold plating 6 having a thickness of 0.1 μm. Part of the gold plating 6 between the portion 4 that finally becomes the electrical connection portion is removed by the laser from the portion 3 that finally becomes the solder mounting portion of the terminal core material 5 that is formed in a predetermined shape. Gold plating 6 was applied to the portion 3 to be the mounting portion and the portion 4 to be the electrical connection portion to form the electrical connection terminal 1.

  Next, a signal electrical connection terminal device in which a plurality of electrical connection terminals 1 having one end connected to the continuous band portion 8 are integrated with a synthetic resin, and the plurality of electrical connection terminals 1 are integrated with a synthetic resin base 2. 10 was formed.

  Next, one end of each electrical connection terminal 1 is cut, the signal electrical connection terminal device 10 is separated from the continuous band portion 8, and the signal electrical connection terminal device 10 alone is taken out. ) Was manufactured.

(Example 3)
A strip material 7 of 0.08 mm thickness and 12 mm width made of SUS420J2 annealed steel strip is used as a raw material, and this strip material 7 is part of the width direction of the strip material 7 along the longitudinal direction using a press machine. A punched body 12 having a comb-tooth shape was formed by punching the terminal core material 9 before one end connected to the side edge of the continuous band portion 8 so as to be juxtaposed in the longitudinal direction of the plurality of continuous band portions 8. .

  Next, a plurality of pre-processed terminal core materials 9 of the punched body 12 punched and formed as described above are bent at a plurality of locations so as to have a predetermined shape using a press machine, thereby forming a solder mounting portion 3. And a terminal core material 5 having a portion 4 to be an electrical connection portion is formed, and a plurality of terminal core materials 5 having one end portion connected to a side edge of the continuous band portion 8 in the longitudinal direction of the continuous band portion 8. Bending bodies 13 arranged in parallel were formed.

  Next, the bending processed body 13 was quenched by air cooling after holding at 1080 ° C. for 30 seconds using a tubular continuous furnace, and further tempered by air cooling after holding at 200 ° C. for 30 seconds.

  Next, after activating the 5 parts of the terminal core material formed by bending, a voltage was applied while being immersed in an electrolytic copper plating solution (copper sulfate bath) to give a 2.5 μm thick copper plating.

  Next, a voltage was applied while immersing the copper-plated terminal core material 5 in an electrolytic nickel plating solution (Watt bath), and nickel plating with a thickness of 1.5 μm was performed.

  Next, a voltage is applied while immersing the terminal core material 5 on which the electrolytic nickel plating has been applied over the electrolytic copper plating in an electrolytic gold plating solution to give a gold plating 6 having a thickness of 0.1 μm. Part of the gold plating 6 between the portion 4 that finally becomes the electrical connection portion is removed by the laser from the portion 3 that finally becomes the solder mounting portion of the terminal core material 5 that is formed in a predetermined shape. Gold plating 6 was applied to the portion 3 to be the mounting portion and the portion 4 to be the electrical connection portion to form the electrical connection terminal 1.

  Next, a signal electrical connection terminal device in which a plurality of electrical connection terminals 1 having one end connected to the continuous band portion 8 are integrated with a synthetic resin, and the plurality of electrical connection terminals 1 are integrated with a synthetic resin base 2. 10 was formed.

  Next, one end of each electrical connection terminal 1 is cut, the signal electrical connection terminal device 10 is separated from the continuous band portion 8, and the signal electrical connection terminal device 10 alone is taken out. ) Was manufactured.

Example 4
A strip material 7 of 0.08 mm thickness and 12 mm width made of SUS420J2 annealed steel strip is used as a raw material, and this strip material 7 is part of the width direction of the strip material 7 along the longitudinal direction using a press machine. A punched body 12 having a comb-tooth shape was formed by punching the terminal core material 9 before one end connected to the side edge of the continuous band portion 8 so as to be juxtaposed in the longitudinal direction of the plurality of continuous band portions 8. .

  Next, a plurality of pre-processed terminal core materials 9 of the punched body 12 punched and formed as described above are bent at a plurality of locations so as to have a predetermined shape using a press machine, thereby forming a solder mounting portion 3. And a terminal core material 5 having a portion 4 to be an electrical connection portion is formed, and a plurality of terminal core materials 5 having one end portion connected to a side edge of the continuous band portion 8 in the longitudinal direction of the continuous band portion 8. Bending bodies 13 arranged in parallel were formed.

  Next, the bending processed body 13 was quenched by air cooling after being held at 1050 ° C. for 30 seconds using a tubular continuous furnace, and further tempered by being air cooled after being held at 250 ° C. for 30 seconds.

  Next, after activating the 5 parts of the terminal core material formed by bending, a voltage was applied while being immersed in an electrolytic silver plating solution, and silver plating with a thickness of 2.5 μm was performed.

  Next, a voltage was applied while immersing the above-described silver-plated terminal core material 5 in an electrolytic palladium plating solution, thereby carrying out palladium plating with a thickness of 1.0 μm.

  Next, a voltage is applied while immersing the terminal core material 5 plated with the electrolytic palladium plating over the electrolytic silver plating in an electrolytic gold plating solution to give a gold plating 6 having a thickness of 0.1 μm. Part of the gold plating 6 between the portion 4 that finally becomes the electrical connection portion is removed by the laser from the portion 3 that finally becomes the solder mounting portion of the terminal core material 5 that is formed in a predetermined shape. Gold plating 6 was applied to the portion 3 to be the mounting portion and the portion 4 to be the electrical connection portion to form the electrical connection terminal 1.

  Next, a signal electrical connection terminal device in which a plurality of electrical connection terminals 1 having one end connected to the continuous band portion 8 are integrated with a synthetic resin, and the plurality of electrical connection terminals 1 are integrated with a synthetic resin base 2. 10 was formed.

  Next, one end of each electrical connection terminal 1 is cut, the signal electrical connection terminal device 10 is separated from the continuous band portion 8, and the signal electrical connection terminal device 10 alone is taken out. ) Was manufactured.

DESCRIPTION OF SYMBOLS 1 Electrical connection terminal 2 Base 3 Part which becomes solder mounting part 4 Part which becomes electrical connection part 5 Core material for terminals 6 Gold plating 7 Band material 8 Continuous belt part 9 Pre-processing terminal core material 10 Electrical connection terminal device for signals

Claims (3)

  A signal electrical connection terminal device configured by integrally arranging a plurality of electrical connection terminals on a synthetic resin base, wherein the electrical connection terminal is at least a solder mounting portion provided on a terminal core member It is configured by applying gold plating to the part and the part to be the electrical connection part, and the terminal core material includes a part to be a solder mounting part and a part to be an electrical connection part by plastic working in a completely annealed state. An electrical connection terminal device for signals, wherein the electrical connection terminal device is a hardened and hardened steel formed into a predetermined shape and quenched and tempered after plastic working. A pre-processed terminal core material in which one end portion is connected to a side edge of a continuous band portion along a longitudinal direction in a part of the width direction of the band material, and a completely annealed steel strip material of quench hardening type steel. A process of punching so as to be juxtaposed in the longitudinal direction of a plurality of continuous strips,
Bending a plurality of pre-processed terminal core materials, one end of which is connected to the continuous band, into a predetermined shape having a solder mounting portion and an electrical connection portion to form a terminal core material ,
A step of quenching and tempering a plurality of terminal core materials having one end connected to the continuous band,
A step of forming an electrical connection terminal by applying gold plating to at least a portion to be a solder mounting portion and a portion to be an electrical connection portion of a plurality of quenched and tempered terminal core materials having one end connected to the continuous band portion,
A step of forming a signal electrical connection terminal device by integrating a plurality of electrical connection terminals, one end of which is connected to the continuous band portion, with a synthetic resin;
Cutting one end of each electrical connection terminal to separate the signal electrical connection terminal device from the continuous band,
A method of manufacturing a signal electrical connection terminal device, characterized in that: A pre-processed terminal core material in which one end portion is connected to a side edge of a continuous band portion along the longitudinal direction in a part of the width direction of the band material, and a band material of a quench-hardened steel completely annealed material. A process of punching so as to be juxtaposed in the longitudinal direction of a plurality of continuous strips,
Bending a plurality of pre-processing terminal core materials, one end portion of which is connected to the continuous band portion, into a predetermined shape having a portion to be a solder mounting portion and a portion to be an electrical connection portion, thereby forming a terminal core material ,
A step of quenching and tempering a plurality of terminal core materials having one end connected to the continuous band,
A step of applying electrolytic copper plating or electrolytic silver plating to a plurality of quenched and tempered terminal core materials having one end connected to the continuous band portion;
Applying electrolytic nickel plating or electrolytic palladium plating over the electrolytic copper plating or electrolytic silver plating,
Electric connection terminals by applying gold plating to the solder mounting portion and the electrical connection portion of the terminal core material that is subjected to the electrolytic nickel plating or electrolytic palladium plating over the electrolytic copper plating or electrolytic silver plating, respectively. Forming a process,
A plurality of electrical connection terminals that have been quenched and tempered with one end connected to the continuous band and that have been subjected to electrolytic copper plating or electrolytic silver plating, electrolytic nickel plating or electrolytic palladium plating, and gold plating. Forming a signal electrical connection terminal device by integrating with synthetic resin;
Cutting one end of each electrical connection terminal to separate the signal electrical connection terminal device from the continuous band,
A method of manufacturing a signal electrical connection terminal device, characterized in that:

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