CN1776846A - Filling-in bit terminal for electrolytic container - Google Patents
Filling-in bit terminal for electrolytic container Download PDFInfo
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- CN1776846A CN1776846A CN 200510127133 CN200510127133A CN1776846A CN 1776846 A CN1776846 A CN 1776846A CN 200510127133 CN200510127133 CN 200510127133 CN 200510127133 A CN200510127133 A CN 200510127133A CN 1776846 A CN1776846 A CN 1776846A
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Abstract
To provide a tab terminal for electrolytic capacitors that can wind electrode foil with high density without cracking the electrode foil even if the electrode foil is wound with high tension. In the tab terminal for electrolytic capacitors comprising a round rod, a rolled section in which the round rod is machined flatly, and a leading line welded to the round rod; four corners are chamfered on the rectangular section of the rolled section.
Description
Technical field
The present invention relates to the filling-in bit terminal (tab terminal) that electrolytic capacitor is used.In more detail, even the situation of electrode foil breakage also can not occur when relating to have twined electrode foil, and can twine electrode foil with higher density with higher tension force.
Background technology
Aluminium electrolytic capacitor has such structure, promptly, aluminium anode foil and aluminium Cathode Foil be wrapped in by separator form capacitor element on the filling-in bit terminal, formed capacitor element is soaked be contained in driving electrolytic solution, this element is assembled in the external packing housing and to it seals.In addition, filling-in bit terminal is made of round bar portion, rolling portion and lead-out wire, and described round bar portion is made of aluminium, and described rolling portion is processed into flat by the part with described round bar portion to form, and described lead-out wire is welded in the round bar portion.
In recent years, people make its become miniaturization and high capacity constantly carrying out the exploitation of aluminium electrolytic capacitor.For example, that has carried out has, and utilizes electrode foil as thin as a wafer to increase the winding number of turn, enlarges the actual effect surface area by electrode foil is implemented corrosion treatment, thereby static capacity is improved.
In addition, with electrode foil when twining on the filling-in bit terminal, on one side twine, make the capacitor element of higher density by on one side electrode foil being applied higher tension force.
The somebody has proposed such scheme in addition, that is, the spool-shape when beginning to be wound into electrode foil on the filling-in bit terminal by research can will be accommodated in the external packing housing near circular capacitor expeditiously.
But, since the rolling portion of in the past filling-in bit terminal be form by punch process flat, so, exist when electrode foil being wound on this rolling, the side surface that touches rolling portion because of electrode foil makes the situation of electrode foil breakage.Particularly, in the aluminium electrolytic capacitor that has been miniaturized because the product diameter is less, so it is big that the winding curvature of element becomes, rolling with electrode foil between contact to press and become big, like this, electrode foil is just damaged easily.
In addition, twine electrode foil if apply higher tension force, so, rolling with electrode foil between contact to press and just uprise just easier breakage of electrode foil certainly.
For such problem, in the inventor's formerly application (Japanese patent application 2002-151344), such scheme has been proposed, promptly, by making circular-arc as rolling angle filling-in bit terminal with four bights of the rolling portion of the adjacent part of aluminium foil, reduce the pressure that contacts between aluminium foil and the rolling portion, thereby prevent the electrode foil breakage.
But, even made the section end when having circular-arc rolling, contact the big this situation of pressing between the surface that contacts the rolling portion of pressure ratio between the section end that does not also change rolling portion and the electrode foil and the electrode foil, therefore, people still wish to obtain a kind ofly not make electrode foil produce damaged and can twine the filling-in bit terminal of electrode foil with higher density.
Summary of the invention
The inventor is conceived to have the such problem of boundary when near flat rolling higher density that does not produce the space when going up rolling is twined electrode foil so that electrode foil is wound into, drawn following opinion: by four bights of section of rolling portion being processed into the shape of regulation, can when having twined electrode foil, can not occur electrode foil yet damaged situation takes place, and can twine electrode foil with higher density with higher tension force.The present invention just is based on the invention of above-mentioned opinion.
Therefore, purpose of the present invention just is to provide a kind of such filling-in bit terminal for electrolytic container: make it can be when having twined electrode foil with higher tension force, breakage take place in electrode foil yet, and can twine electrode foil with higher density.
And, filling-in bit terminal for electrolytic container among the present invention is the filling-in bit terminal for electrolytic container that is made of round bar portion, rolling portion and lead-out wire, described rolling portion is processed into flat by the part with described round bar portion to form, described lead-out wire is welded in the round bar portion, wherein, chamfer machining has been implemented in four bights of the rectangular section of the rolling portion.Like this, carried out chamfer machining by four bights of section to rolling portion, even under situation about electrode foil being wrapped on rolling, owing to contact drops between the end of rolling portion and the aluminium foil, so, the situation of electrode foil breakage can not appear making.
In addition, implement chamfer machining, compare with in the past flat rolling portion by four bights to rolling section, because near the gap rolling under the state that has twined electrode foil reduces, so, electrode foil can be wound in higher density.Its result, the component size efficient of capacitor element improves naturally.
Description of drawings
Fig. 1 is the stereogram of filling-in bit terminal of the present invention.
Fig. 2 is the A-A ' cutaway view of expression filling-in bit terminal of the present invention.
Fig. 3 is the stereogram of the filling-in bit terminal of another embodiment of the invention.
Fig. 4 is the B-B ' cutaway view of expression filling-in bit terminal shown in Figure 3.
Fig. 5 is the A-A ' cutaway view of the filling-in bit terminal of expression another embodiment of the invention.
Fig. 6 represents to make an example of the device of filling-in bit terminal of the present invention.
Fig. 7 represents the order of the manufacturing process of filling-in bit terminal of the present invention.
Fig. 8 represents the order of the manufacturing process of filling-in bit terminal of the present invention.
Fig. 9 represents the order of the manufacturing process of filling-in bit terminal of the present invention.
Figure 10 represents the order of the manufacturing process of filling-in bit terminal of the present invention.
Figure 11 represents the order of the manufacturing process of filling-in bit terminal of the present invention.
Figure 12 is the figure that represents in further detail after the operation among Fig. 9 is amplified.
Figure 13 is the figure that represents in further detail after the operation among Fig. 9 is amplified.
Figure 14 is the figure that represents in further detail after the operation among Fig. 9 is amplified.
Figure 15 has carried out the figure that amplifies with the punching pin in the manufacturing installation shown in Figure 6.
Figure 16 represents the section shape of the rolling portion of filling-in bit terminal.
Embodiment
Below, with reference to accompanying drawing, filling-in bit terminal for electrolytic container of the present invention is described.
As shown in Figure 1, the formation of filling-in bit terminal for electrolytic container of the present invention comprises: round bar portion 1, rolling 2 and lead-out wire 3, wherein, rolling 2 is to be processed into flat by the part with described round bar portion to form, and described lead-out wire 3 is welded in the round bar portion 1.Material as constituting round bar portion and rolling portion typically uses aluminium etc.In addition, as lead-out wire, be to use iron wire, copper cash or on iron wire, wrap wire rod (CP line) of layer of copper etc.For welding characteristic is improved, plated solder on the surface of this lead-out wire usually.
Fig. 2 represents rolling 2 A-A ' section of filling-in bit terminal shown in Figure 1.Filling-in bit terminal for electrolytic container of the present invention has the shape of four bights of the rectangular section of rolling portion having been implemented chamfer machining.By implementing chamfer machining 6 to four bights of the rectangular section of rolling portion that is to the rolling surface 4 and the side surface 5 adjacent parts of rolling portion, contacting between the end that can reduce rolling portion and the electrode foil.Therefore,, can in electrode foil, not produce stress, thereby damaged situation can not take place in electrode foil even twining with higher tension force under the situation of electrode foil yet.In addition, compare with the filling-in bit terminal of the rolling portion with rectangular section in past, near the electrode foil space that generates rolling reduces.Its result has improved the component size efficient of capacitor element.Therefore, when having made the aluminium electrolytic capacitor of equal volume, make a side of rolling bending, electrode foil can be wound in higher density.
In addition, aluminium electrolytic capacitor of the present invention has higher quality stability.Though be not determined as reason, can think because the cause that the surface of the rolling portion of filling-in bit terminal and the contact area between the aluminium foil increase with so unexpected effect.
In filling-in bit terminal for electrolytic container of the present invention, chamfer machining face 6 preferably has 150～173 ° angle with respect to the rolling surface 4 of rolling portion, is more preferably 152～170 °.By making the chamfer machining mask that the angle of such scope be arranged, can when preventing the electrode foil breakage, the component size efficient of electrolytic capacitor be improved, in addition, the filling-in bit terminal of such shape is made easily.That is, if chamfer machining face 6 with respect to rolling surface 4 angulations of rolling portion less than 150 °, so, when forming rolling portion by punch process, just have punching press less than possibility.In addition, if angulation more than 173 °, then can't obtain the effect of chamfer machining.As shown in Figure 2, at this, described chamfer machining face is with respect to the angle of the rolling surface of rolling portion, the angle θ on the adjacent point of the rolling surface 4 that is meant the rolling portion of filling-in bit terminal and chamfer machining face 6.
In addition, as shown in Figure 2, be made as L in length with rolling portion, when width is made as W, the length of the flat of rolling surface (L ') is preferably 0.50L～0.95L, the length of the par of rolling side surface (W ') is preferably 0.03W～0.80W, being more preferably L ' is 0.65L～0.90L, and W ' is 0.3W～0.70W.By with the length setting of the par of the length of the flat of rolling surface and rolling side surface in above-mentioned scope, promptly, the degree set of chamfer machining in above-mentioned scope, can be improved the component size efficient of electrolytic capacitor when further preventing the electrode foil breakage.That is, if the flat length (L ') of rolling portion less than 0.50L, so, when on the rolling surface that electrode foil is crimped on filling-in bit terminal, just can not be carried out ca(u)lk fully, the contact resistance of element increases.On the other hand, if L ' surpasses 0.95L, so, can only make the number of turn of electrode foil be degree in the past, thereby can not improve static capacity fully.In addition, if the par length (W ') of rolling side surface less than 0.03W, so, when forming rolling portion by punch process, produces the possibility of not punching press with regard to having because of the metal mold punching press contacts with each other with punching pin and supporting station.On the other hand, if W ' greater than 0.80W, so, what the winding number of turn of electrode foil can only be with in the past is roughly the same, thereby can not improve static capacity fully.
Electrolytic capacitor of the present invention except having shape as shown in Figure 1, as shown in Figure 3, also have plenty of rolling 2 ' position deviation in round bar portion 1 ' the shape (eccentric type filling-in bit terminal) at center.The filling-in bit terminal of such eccentric type, mainly be applicable to the small electrical electrolysis condenser, because make as a pair of filling-in bit terminal when the capacitor element, the filling-in bit terminal of above-mentioned eccentric type can make wide than common filling-in bit terminal of distance between the rolling portion, so the filling-in bit terminal of such eccentric type can improve volume element efficient.
As shown in Figure 4, in the filling-in bit terminal of eccentric type,, preferably implement different chamfer machining towards the rolling surface 4A of the center of capacitor element one side with on the rolling surface 4B of side outer Monday of capacitor element.Specifically, (L ") is preferably 0.50L～0.90L to the par length of the rolling surface of the side on rolling, and the par length of the rolling surface of opposite side (L ) is preferably 0.50L～0.95L.Because the filling-in bit terminal of eccentric type is used to the small electrical electrolysis condenser, so the radius of curvature after being wound into electrode foil on the filling-in bit terminal is less.Like this, owing between rolling of filling-in bit terminal and electrode foil, can produce the gap, so the volume efficiency of element descends.As shown in Figure 4, in the present invention, be longer than L by making L ", can twine electrode foil with less radius of curvature, thus, can realize the miniaturized electric electrolysis condenser that component size efficient is higher." 0.65L～0.85L more preferably, L is 0.70L～0.90L more preferably for L.
The thickness of rolling portion (W) is preferably 0.15～0.70mm, like this, by making the thin thickness of thickness, can improve the ca(u)lk of electrode foil than the rolling portion of in the past filling-in bit terminal, that is, electrode foil is wrapped in higher tension force on rolling of filling-in bit terminal.In addition, by twining electrode foil with higher tension force like this, the contact resistance between rolling of filling-in bit terminal and the electrode foil reduces.If the thickness of rolling portion surpasses 0.70mm, then ca(u)lk becomes bad, and if not enough 0.15mm, then the intensity decreases of rolling portion when mobile filling-in bit terminal or when the crimping electrode foil, may make rolling breakage.
In addition, in filling-in bit terminal for electrolytic container of the present invention, the boundary part R2 between the boundary part R1 between chamfer machining face 6 and the rolling surface 4 and chamfer machining face 6 and rolling the side surface 5 preferably implements circular-arc processing.As shown in Figure 5, (it is circular-arc that R1～R8) becomes, and can further prevent the electrode foil breakage in the marginal portion at eight positions by making rolling section.In addition, become circular-arcly by the marginal portion that makes rolling section like this, can reduce the contact resistance between marginal portion and the electrode foil, further improve the high frequency characteristics of capacitor.By making the marginal portion become the circular-arc contact resistance that reduces like this, be not contemplated to.Though its reason is not determined, can followingly consider like that.That is, can think that electric charge has the trend on the marginal portion that concentrates on metal, by eliminating this edge, it is even that charge density will become.Therefore, can infer, and the marginal portion of the section by making rolling portion (it is circular-arc that R1～R8) becomes, and will reduce leakage current, its result, and the contact resistance between terminal and the electrode foil diminishes.
When with the thickness (W) of rolling portion when being made as 1, circular-arc radius of curvature is preferably 0.01～0.85.By the circular arc processing that such radius of curvature is implemented to have in each marginal portion 7, electrode foil is with regard to more difficult breakage.In addition, the contact resistance between marginal portion and the electrode foil further is reduced, and the high frequency characteristics of capacitor also improves.
Below, the manufacture method of filling-in bit terminal for electrolytic container of the present invention is described.
Fig. 6 is the front view of an example of the expression device of making filling-in bit terminal for electrolytic container of the present invention.
Supporting station 11 is fixed on the pedestal 12.Be provided with punching pin 13 above this supporting station 11, the two is configuration in opposite directions.
Centre at supporting station 11 and punching pin 13 is provided with lifting platform 15, on this lifting platform 15, is provided with shearing device 14.Lifting platform 15 is interted on the pillar 16 that vertically erects from pedestal 12 in the mode of sliding freely.And punching pin 13 is interted in through hole 17, and described through hole 17 vertically is set on the lifting platform 15.Punching pin 13 moves up and down by itself and 18 interlocks of punching pin lifting platform, and punching pin lifting platform 18 is interted on pillar 16 with the form that is free to slide.
The lower end of elevating lever 19 is connected on the punching pin lifting platform 18, and its upper end is connected on the drive source (not shown).Like this, can make punching pin 13 rise or descend with punching pin lifting platform 18.
As the roller 22 of cam 20 on can push and block threaded rod 21, but the length free adjustment of threaded rod 21, and threaded rod 21 is connected on the lifting platform 15, by these parts, has constituted cutting knife backward position adjusting mechanism.
As Fig. 7 institute in detail expression like that, shearing device 14 be by will being positioned at punching pin 13 and supporting station about 11 incision with cutting knife 23 and excise with cutting knife 24 about approaching set of locations dress up one and constitute.
As Figure 12 as enlarged drawing further clear and definite, in incision with forming notch p on the edge of cutting knife 23.
And when punching pin lifting platform 18 was descended, punching pin 13 dropped on the aluminium head b that is placed on the supporting station 11, aluminium head b is flattened and makes it to become flatly the thickness (Fig. 8) of regulation.
The front end of punching pin 13 has the shape of regulation as shown in Figure 7, and in addition, the front end of supporting station 11 also has and the corresponding regulation shape of the front end of punching pin 13.Therefore, as shown in Figure 2, the aluminium head that has been crushed (rolling portion) becomes the shape that its four bights all have been carried out chamfer machining.
Then, by cam 20 shearing device 14 is descended, incision is stopped after cutting in the part that has been expressed into outside the punching pin 13 with cutting knife 23, and the portion of extruding is carved into incision line (Fig. 9) one.
After this, only shearing device 14 oppositely rises, and when incision was upwards left the aluminium head with cutting knife 23, the excision of below was risen upward with the front end of cutting knife 24 from punching pin 13, and (Figure 10) cuts away from the incision line in the portion that will extrude.The aluminium slag that has been cut off is blown open by air.
Then, punching pin 13 also rises and the top of supporting station 11 is opened wide, and at this moment can take out the filling-in bit terminal (Figure 11) as product.
What will say in passing is, between punching pin 13 and the shearing device 14 related constantly and stroke, in an example of manufacturing installation shown in the drawings, be to adjust the described moment and stroke by adjusting threaded rod 21.
With having carried out the punching pin of regulating 13 and cut the position relation of using between the cutting knife 23 waiting constantly like this, zoom into Figure 12～Figure 14 and represent.
When forming the thickness of the curved shape of stipulating when punching pin 13 declines and with the aluminium head, incision begins to descend with cutting knife 23, becomes the state of Figure 12～Figure 13.
In Figure 12, incision touches the portion of extruding with cutting knife 23, as shown in figure 13, owing to press down the portion of extruding, and so the part that has been sandwiched between punching pin 13 and the supporting station 11 is stretched with near the part in the boundary of extruding portion.
When punching pin 13 when beginning position contacting shown in Figure 12 continues the degree of depth of the notch p of drop edge only, the edge of the end of notch p just begins to be cut in the portion of extruding.
When cutting knife 23 continues to drop to when cutting deeply about half of thickness of rolling portion, the part of not cutting before this but being stretched will disconnect, and therefore, will produce so-called rebound phenomena, the part that is stretched is pulled back to punching pin 13 1 sides, produces gap (Figure 14) between cutting knife 23 and the rolling portion.
Because the such gap that produces, so transfer when rising the periphery that cutting knife 23 can the rolling portion of scraping at cutting knife 23.Therefore, do not produce and return burr.
At this, as shown in figure 15,, so as shown in Figure 5, just the marginal portion (R1, R8) of rolling section of filling-in bit terminal can be formed identical circular arc if the inboard, edge of the punching pin face of punching pin 13 is formed circular arc 25.By adopting and above-mentioned same method, R2～R7 can be formed identical circular arc respectively.
[embodiment]
1. manufacturing filling-in bit terminal
Round bar that aluminium by diameter 1.5mm is constituted and the CP line of diameter 0.6mm weld, and utilize device shown in Figure 6 that the part of round bar portion is implemented punch process, thus, have made filling-in bit terminal for electrolytic container.At this moment, by the punching pin of change manufacturing installation and the shape of supporting station, the section size of the rolling portion of filling-in bit terminal is adjusted.
In addition, utilize and above-mentioned same round bar and CP line, made the filling-in bit terminal for electrolytic container of eccentric type.By with the above-mentioned shape that similarly changes the punching pin and the supporting station of manufacturing installation, the section shape of the rolling portion of filling-in bit terminal is adjusted.
The section shape of the rolling portion of resulting filling-in bit terminal, as shown in table 1 below.
Table 1
| The common filling-in bit terminal of concentric type | The eccentric type filling-in bit terminal | ||||||
| Embodiment 1 | | Comparative example 1 | | | Comparative example 2 | ||
| Tabular surface length | L 1 | 0.775L | 0.851L | 1.00L | 0.765L | 0.826L | 1.00L |
| L 2 | 0.793L | 0.862L | 1.00L | 0.876L | 0.862L | 1.00L | |
| Side surface length | W 1 | 0.468W | 0.653W | 1.00W | 0.472W | 0.590W | 1.00W |
| W 2 | 0.455W | 0.653W | 1.00W | 0.468W | 0.598W | 1.00W | |
| Angle | θ 1 | 157° | 160° | - | 152° | 154° | - |
| θ 2 | 160° | 162° | - | 154° | 170° | - | |
In the table, θ
1, θ
2, L
1, L
2, W
1, and W
2, represent the angle or the length of part shown in Figure 16 respectively.
2. evaluation filling-in bit terminal
(1) evaluation of component size efficient
By being that an end of electrode foil/electrolytic paper of 100 μ m fixedly is wrapped in a continuous manner by on a pair of filling-in bit terminal in above-mentioned resulting embodiment 1, embodiment 2 and the comparative example 1 with thickness, made capacitor element.The twining amount of aluminium foil is as the criterion to be wound into the size (diameter) that capacitor element can be inserted into the border in the aluminum hull (diameter is 10mm) that will assemble.
With above-mentioned same,, made capacitor element by being that an end of electrode foil/electrolytic paper of 90 μ m fixedly is wrapped on a pair of filling-in bit terminal in embodiment 3, embodiment 4 and the comparative example 2 in a continuous manner with thickness.The twining amount of aluminium foil is as the criterion to be wound into the size (diameter) that capacitor element can be inserted into the border in the aluminum hull (diameter is 5mm) that will assemble.
Section to resulting each capacitor element is observed with magnifying glass, and calculates the ratio of the area of aluminium foil with respect to the area of the section of aluminum enclosure.
Evaluation result is shown in following table 2.
(2) to the evaluation in the crack of electrode foil
The section of capacitor element is cut, by section being observed, near filling-in bit terminal, having or not investigating of electrode foil crack with magnifying glass.The result is as shown in table 2 below.
Table 2
| Component size efficient (%) | There is free from flaw to take place | |
| Embodiment 1 | 87.0 | Do not have |
| | 90.8 | Do not have |
| | 85.4 | Do not have |
| | 89.9 | Do not have |
| Comparative example 1 | 82.7 | Have |
| Comparative example 2 | 80.5 | Have |
In addition, above-mentioned each capacitor element that makes by observing section with magnifying glass, has been calculated the interval area that is wrapped in the aluminium foil on the filling-in bit terminal.Consequently, filling-in bit terminal of the present invention is compared with filling-in bit terminal (comparative example 1 and comparative example 2) in the past, and its interval area has reduced about 25%.In addition, when adopting filling-in bit terminal of the present invention, even twine with higher density, electrode foil does not have breakage yet, thereby has obtained high-quality electrolytic capacitor.
Claims (7)
1. filling-in bit terminal for electrolytic container, its formation comprises: round bar portion, rolling portion and lead-out wire, described rolling portion is processed into flat by the part with described round bar portion to form, described lead-out wire is welded in the round bar portion, it is characterized in that: chamfer machining has been implemented in four bights at the rectangular section of the rolling portion.
2. filling-in bit terminal for electrolytic container as claimed in claim 1 is characterized in that: have 150～173 ° angle between the rolling surface of above-mentioned chamfer machining face and the rolling portion.
3. filling-in bit terminal for electrolytic container as claimed in claim 1 or 2, it is characterized in that: when the length with the rolling surface of the rolling portion is made as L, when its width is made as W, then, the length of the flat of rolling surface is 0.50L～0.95L, and the length of the par of rolling side surface is 0.03W～0.80W.
4. filling-in bit terminal for electrolytic container as claimed in claim 3 is characterized in that: the par length of the rolling surface of the side in the rolling portion is 0.50L～0.90L, and the par length of the rolling surface of its opposite side is 0.50L～0.95L.
5. as claim 3 or 4 described filling-in bit terminal for electrolytic container, it is characterized in that: the width of the rolling surface of the rolling portion (W) is 0.15～0.7mm.
6. as each described filling-in bit terminal for electrolytic container in the claim 3～5, it is characterized in that:, all implemented circular-arc processing the boundary part between the boundary part between above-mentioned chamfer machining face and the rolling portion surface and above-mentioned chamfer machining face and the rolling portion side surface.
7. as each described filling-in bit terminal for electrolytic container in the claim 3～6, it is characterized in that: when with the thickness (W) of rolling portion when being made as 1, above-mentioned circular-arc radius of curvature is 0.01～0.85.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP333296/2004 | 2004-11-17 | ||
| JP2004333296A JP4619754B2 (en) | 2004-11-17 | 2004-11-17 | Tab terminal for electrolytic capacitor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1776846A true CN1776846A (en) | 2006-05-24 |
| CN100552839C CN100552839C (en) | 2009-10-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200510127133 Active CN100552839C (en) | 2004-11-17 | 2005-11-17 | Filling-in bit terminal for electrolytic container |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP4619754B2 (en) |
| CN (1) | CN100552839C (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101493103B1 (en) | 2009-03-16 | 2015-02-12 | 한라비스테온공조 주식회사 | Cooling module for hybrid automobile |
| EP3846190A1 (en) * | 2019-12-30 | 2021-07-07 | Solaredge Technologies Ltd. | Enhanced capacitor tabs |
| CN111823126B (en) * | 2020-06-10 | 2022-07-01 | 广东风华高新科技股份有限公司 | Ceramic chip type component chamfering process |
| JP7180936B1 (en) | 2022-04-07 | 2022-12-05 | 湖北工業株式会社 | Lead terminal for electrolytic capacitor, apparatus for manufacturing rolled part, and method for manufacturing rolled part |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4961036U (en) * | 1972-09-06 | 1974-05-29 | ||
| JPS5612720A (en) * | 1979-07-10 | 1981-02-07 | Tozuka Sangyo Kk | Lead wire for electrolytic condenser |
| JPS5612721A (en) * | 1979-07-10 | 1981-02-07 | Tozuka Sangyo Kk | Lead wire for electrolytic condenser |
| JPS58191630U (en) * | 1982-06-16 | 1983-12-20 | 松下電器産業株式会社 | electronic components |
| JPH08203793A (en) * | 1995-01-25 | 1996-08-09 | Matsushita Electric Ind Co Ltd | Manufacture of lead for electronic component |
| JP4782969B2 (en) * | 2002-05-24 | 2011-09-28 | 湖北工業株式会社 | Electrolytic capacitor tab terminal manufacturing equipment |
-
2004
- 2004-11-17 JP JP2004333296A patent/JP4619754B2/en active Active
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2005
- 2005-11-17 CN CN 200510127133 patent/CN100552839C/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| JP2006147703A (en) | 2006-06-08 |
| CN100552839C (en) | 2009-10-21 |
| JP4619754B2 (en) | 2011-01-26 |
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