CN103839737A - Surface mounting fuse protector and manufacturing method thereof - Google Patents
Surface mounting fuse protector and manufacturing method thereof Download PDFInfo
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- CN103839737A CN103839737A CN201410081336.5A CN201410081336A CN103839737A CN 103839737 A CN103839737 A CN 103839737A CN 201410081336 A CN201410081336 A CN 201410081336A CN 103839737 A CN103839737 A CN 103839737A
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- GNFTZDOKVXKIBK-UHFFFAOYSA-N 3-(2-methoxyethoxy)benzohydrazide Chemical compound COCCOC1=CC=CC(C(=O)NN)=C1 GNFTZDOKVXKIBK-UHFFFAOYSA-N 0.000 claims description 3
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Abstract
Provided are a surface mounting fuse protector and a manufacturing method thereof. The surface mounting fuse protector comprises a metal melting body, end electrodes and an insulation base plate. The insulation base plate comprises an upper insulation base plate and a lower insulation base plate which are arranged in an overlaying mode. The end electrodes are arranged at the left end and the right end of the insulation base plate in a wrapping mode. The surface mounting fuse protector is characterized in that the upper insulation base plate is a square flat plate, one face, opposite to the upper insulation base plate, of the lower insulation base plate is provided with a concave cavity and grooves formed in the left side and the right side of the concave cavity respectively, one side of each groove is communicated with the concave cavity, the other side of each groove is communicated with the side face of the lower insulation base plate, the depth of each groove is smaller than that of the concave cavity, the metal melting body is placed between the upper base plate and the lower base plate, the middle portion of the metal melting body is suspended in the concave cavity and is wrapped by arc extinction materials, the left end and the right end of the metal melting body are placed in the left groove and the right groove respectively, the grooves are filled with copper materials which wrap the metal melting body, and the end electrodes are electrically connected with copper bodies in the grooves. The manufacturing technology is simple, machining cost is low, and part connecting is reliable.
Description
Technical field
The present invention relates to a kind of circuit brake, be specially a kind of surface mounting fuse protector and manufacture method thereof.
Background technology
Fuse is a kind of device being made up of the insulator of melt and support or protection melt; it utilizes metal material or the slurry that fusing point is lower to make wire or pellet electrode etc. as melt; be connected in protected circuit; when the apparatus overload in circuit or circuit or while breaking down; melt is because heating is by instantaneous fusing; thereby cut-out circuit, reaches the object of protective circuit or equipment.Along with the development of fuse microminiaturization, the emphasis factors that need to consider when the disjunction safety problem of melt becomes high voltage, large electric current application gradually.The moment excessive at fault current or short circuit disconnects, the powerful electric arc of meeting produce power on melt, if there is no to arrange the material that extinguishes this kind of electric arc near melt, fuse will burn even the danger of the blast of producing, gently burn other valuable elements in circuit, heavy what for to can because of electric arc ignite breaking out of fire, jeopardize personal safety.
A kind of surface mounting fuse protector is proposed in Chinese patent 201220702979.3, adopt the method that increases insulation shell internal capacity, the end cap of traditional ceramics shell shape fuse is replaced with copper sheet, and at the inner arc quenching material of filling of insulation shell, thereby improve the specified breaking capacity of fuse, made it can meet the disjunction requirement of 250VAC/50A.But this explained hereafter cost is relatively high, a large amount of comparatively difficulties of producing.Chinese patent 200810092353.3, 200910007157.6, 201110123326.X and 201220063222.4 provide respectively a kind of suspended-fuse-wire-type surface-mount fuse and manufacture method, by upper, lower insulated substrate middle part forms respectively a cavity, bonding by adhesive between two insulated substrates, metal fuse is placed in and between two insulated substrates, forms unsettled fuse-wires structure, in cavity, fill arc quenching agent, the energy discharging in fuse failure process to absorb fuse, fuse has part to expose outside, insulator end and bending makes it be close to end electrode, on the relative medial surface of insulation crust cover plate, intensifier electrode is set, and extend to insulator edges at two ends and end electrode is electrically connected, the end of intensifier electrode is contacted with end electrode, the two ends that simultaneously make fuse respectively and between corresponding intensifier electrode forming surface contact, guarantee the reliability that fuse is connected with end electrode.Adopt this technique, the product of the following rated current of 2A can meet 250VAC/100A disjunction conditional request, and its manufacture method is simple, cost is lower, easily realizing industrialization produces continuously, but product there will be due to fuse and end electrode adhesive force under thermal shock to diminish in use for some time to be become flexible, and the fuse cold resistance causing becomes large bad phenomenon.
Summary of the invention
Technical purpose of the present invention is the shortcoming existing in above-mentioned prior art, provide a kind of processing technology simple, be easy to manufacture and the reliable surface mounting fuse protector of product and manufacture method thereof.
For realizing above-mentioned technical purpose, technical scheme provided by the invention is:
A kind of surface mounting fuse protector, comprises metal bath, tip electrodes and insulated substrate, and described insulated substrate is made up of stacked upper insulated substrate and lower insulated substrate, and described tip electrodes is coated on the two ends, left and right of insulated substrate, it is characterized in that:
Described upper insulated substrate is slab construction, described lower insulated substrate is provided with a cavity and lays respectively at the groove of the described cavity left and right sides in its one side relative with upper insulated substrate, described groove one side is communicated with cavity, and a side connects to lower insulated substrate side, and depth of groove is less than described cavity;
Described metal bath is arranged between upper and lower insulated substrate, and metal bath middle part is suspended in described cavity, is filled with and is enough to envelope the arc quenching material (play extinguish arcs, improve the effect of breaking capacity) of metal bath of suspending in cavity; Metal bath two-end part lays respectively in left and right groove, is filled with the copper product that wraps metal bath in groove, and described tip electrodes is connected with the copper body in groove.
The present invention, by set up the copper product that wraps metal bath in the end of metal bath, further ensures the reliability that metal bath is electrically connected with tip electrodes.
Further, the corresponding each groove of described lower insulated substrate is equipped with insulated substrate upper and lower surface the lower through-hole through described groove under a perforation; Described upper insulated substrate is provided with the upper through hole of insulated substrate upper and lower surface in perforation in the position of the each lower through-hole of correspondence, after upper and lower insulated substrate is stacked, upper through hole is communicated with corresponding groove, and in upper and lower through hole, be all filled with copper product, copper body in through hole is connected with described tip electrodes, further increases the reliability that metal bath is connected with tip electrodes.Upper and lower through hole is all preferably arranged on the middle part of groove.
Described groove is provided with the nonconductive adhesive layer that is highly not less than described depth of groove near one end of cavity, metal bath is fixed in groove by described adhesive.Adhesive preferably there is lazy flow and solidify after there is the colloid of superior mechanical intensity and insulation property.
As preferably, described metal bath is sheet metal, metal wire material or wire around any in the structure on glass fibre or ceramic fibre wire rod.
Further, the degree of depth of described cavity is made as 1/2～2/3 of lower insulated substrate height.And the degree of depth of described groove is 1/3～1/2 of the described cavity degree of depth.
Described upper insulated substrate or lower insulated substrate are preferably the materials such as oxide ceramics, glass or thermoset plastics.For further reducing costs, described upper insulated substrate or lower insulated substrate adopt one or more materials in the fire resistant resin materials such as epoxy resin, bakelite, polyamide or polyimides to be mixed.
As preferably, described arc quenching material is the composite mortar that liquid silica gel, silicon dioxide or the two mixture are matrix, and described silicon dioxide can adopt granularity at 300 order～10000 object crystalline silicas or amorphous silica or both mixtures.Described amorphous silica is further preferred aerosil or the silicon dioxide take diatomite as main component (diatomite is the one of amorphous silica, and except diatomite, a small amount of impurity is contained in the inside).
A kind of surface mounting fuse protector manufacture method, is characterized in that, comprises the following steps:
A) prepare insulated substrate: the upper and lower insulated substrate material that selection meets design requirement, sets in advance line of cut in plate of material surface by deisgn product size; The cavity and the groove that on lower insulated substrate material plate body, process some row or column, arbitrary cavity left and right sides is equipped with groove, goes together and is connected by described groove between adjacent cavity, and depth of groove is less than described cavity;
B) wear silk: complete metal bath bar is placed in described groove in the row direction, and unsettled through cavity;
C) some glue: the adhesive that meets performance requirement is injected in described groove, fixing metal melt, adhesive spots is the one end near cavity at groove, and ulking thickness otherwise lower than in the degree of depth of groove, to prevent that the arc quenching material in cavity from entering in groove;
D) fill arc quenching material: the slurry of arc quenching material is filled in cavity, the metal bath in cavity is coated by arc quenching material completely;
E) substrate is stacking and curing: insulated substrate plate of material on stacked in the complete lower insulated substrate plate of material of filling, and make the two line of cut alignment, and be put in baking in baking oven, carry out the curing of arc quenching material and adhesive;
F) substrate cut: cut by the line of cut in plate of material, form multiple surface mounting fuse protector monomers;
G) filling perforation copper facing: utilize the electroplates in hole technology to carry out electro-coppering filling perforation in described groove, form the filling perforation copper coating that wraps metal bath;
H) tip electrodes forms: on the fuse monomer after filling perforation, process the tip electrodes at two ends, coated fuse monomer left and right, described tip electrodes forms and is electrically connected with described filling perforation copper coating, obtains surface mounting fuse protector finished product.
Further, in described step a), corresponding each groove, in upper and lower insulated substrate plate of material, process respectively the through hole that connects the upper and lower surface of material plate body, lower insulated substrate through hole is through the groove on lower insulated substrate, and upper insulated substrate through hole is communicated with in corresponding groove after upper and lower material plate body is stacked; In described step g), utilize the electroplates in hole technology in the through hole of upper and lower insulated substrate, to carry out electro-coppering filling perforation, through hole is filled up, form through hole copper coating, described through hole copper coating forms and is electrically connected with described tip electrodes.
Beneficial effect of the present invention:
(1) by adopting the technology such as copper facing filling perforation, reliability of electrical connection between fuse and copper coating is improved greatly, eliminated the fuse impact that in use thermal coefficient of expansion inconsistency causes when being subject to thermal shock between metal bath, tip electrodes, insulated substrate;
(2) adopt the design of filling the coated melt of arc quenching material in cavity, especially adopt the good liquid silica gel of arc extinction performance, silicon dioxide or the composite material arc extinguishing of the two, greatly improved the breaking capacity of product under high-voltage large current;
(3) melt design can adopt the various structures such as metal wire material, sheet material or wrapping wire, can meet the designing requirement of rated current at 5A and following fuse products;
(4) production technique is simple, and processing cost is low, easily realizes industrialization and produces continuously.
Accompanying drawing explanation
Fig. 1 is the three-dimensional appearance schematic diagram of surface mounting fuse protector embodiment of the present invention;
Fig. 2 is the sectional axonometric drawing of Fig. 1 A-A ' to surface mounting fuse protector cross section;
Fig. 3 is the side sectional view of surface mounting fuse protector band via design of the present invention;
Fig. 4 is the external sight partial enlarged drawing of upper insulated substrate plate of material that processes line of cut in the present invention;
Fig. 5 is the external sight partial enlarged drawing of lower insulated substrate plate of material that processes line of cut in the present invention;
Fig. 6 is that surface mounting fuse protector of the present invention is worn a process schematic diagram;
Fig. 7 is surface mounting fuse protector side sectional view of the present invention;
Fig. 8 is the side sectional view of surface mounting fuse protector band via design insulated substrate of the present invention.
In upper figure, the upper insulated substrate of 1-, insulated substrate under 2-, 3-tip electrodes, 4-metal bath, 5-arc quenching material, 51-cavity, 6-adhesive, 7-filling perforation copper coating, 71-groove, groove outside 711-, 8-through hole copper coating, the upper through hole of 81-, 82-lower through-hole.
Embodiment
In order to illustrate technical scheme of the present invention and technique effect, below in conjunction with drawings and the specific embodiments, the present invention is described further.
As shown in Figure 1, Figure 2, a kind of surface mounting fuse protector shown in Fig. 7, comprise following composition member:
1) insulated substrate;
Described insulated substrate is made up of stacked upper insulated substrate 1 and lower insulated substrate 2.Described upper insulated substrate 1 is a square plate, and described lower insulated substrate 2 is provided with cavity 51 and lays respectively at the groove 71 of the described cavity left and right sides in its one side relative with upper insulated substrate 1.
Described groove 71 1 sides are communicated with cavity 51, and a side connects to the side of lower insulated substrate 2, and groove 71 degree of depth are less than described cavity 51(so that after metal bath 4 two ends are placed in groove 71, the middle part of metal bath 4 is unsettled in cavity 51).Preferred its cross section of described groove 71 is that semicircle or rectangle, the degree of depth are semicolumn or the square column type groove of cavity 51 degree of depth 1/3～1/2.
Described upper insulated substrate 1 and lower insulated substrate 2 can be selected the materials such as oxide ceramics, glass or thermoset plastics, and preferred material has the fire resistant resin materials such as epoxy resin, bakelite, polyamide or polyimides.
2) tip electrodes 3;
Described tip electrodes 3 is coated on upper insulated substrate 1 and lower insulated substrate 2 two ends after stacked;
3) metal bath 4;
The left and right two-end part of metal bath 4 is separately positioned in left and right groove 71.For the reliability that ensures that metal bath 4 is electrically connected with tip electrodes 3, in groove 71, be filled with copper product and wrap metal bath 4, tip electrodes 3 contacts with the copper body (copper product of filling) in metal bath 4 and groove, realizes electrical connection.
Another embodiment as shown in Figure 3, the corresponding left and right groove 71 in the left and right sides of described insulated substrate, on lower insulated substrate 2, set up insulated substrate upper and lower surface the through hole 82 through groove 71 under a perforation, set up through hole 81 at the correspondence position of upper insulated substrate 1, in described through hole 81, through hole 82, be also filled with copper product, after filling, forming copper body is electrically connected with tip electrodes 3, because the copper body in through hole 81 is connected with the copper body in groove 71, further strengthen the reliability that metal bath 4 is electrically connected with tip electrodes 3.
Add man-hour, at it, the one end near cavity 51 is filled with the adhesive 6 that is highly not less than described groove 71 degree of depth to left and right two grooves 71, metal bath 4 is fixed in groove 71, and after upper and lower insulated substrate is stacked, the binding agent that exceeds groove 71 also can be used in the bonding of upper and lower substrate.
Above-mentioned surface mounting fuse protector can be made by following steps, specifically comprises:
A) prepare insulated substrate:
First, the upper and lower insulated substrate material that selection meets design requirement, sets in advance line of cut in plate of material surface by deisgn product size, as shown in Figure 4, Figure 5.
On lower insulated substrate 2 material plate bodys, process cavity 51 and the groove 71 of some row or column (or saying along horizontal or longitudinal), arbitrary cavity 51 left and right sides are equipped with groove 71, go together and be connected by described groove 71 between adjacent cavity 51, groove 71 degree of depth are less than described cavity 51.
B) wear silk:
Thread, banded or bar-shaped whole piece metal bath 4 are placed in described groove 71 in the row direction, and unsettled through cavity 51, as shown in Figure 6.
C) some glue:
As described in the adhesive that meets performance requirement (as low mobility and good electrical insulating property etc.) is injected in groove 71, fixing metal melt 4,6, adhesive is the one end near cavity 51 at groove 71, and ulking thickness otherwise lower than the degree of depth of groove 71.
D) fill arc quenching material:
The slurry of arc quenching material 5 is filled in cavity 51, the metal bath 4 in cavity 51 is coated by arc quenching material 5 completely, be preferably filled into the position of arc quenching material 5 and lower insulated substrate 2 upper surface flush;
E) substrate is stacking and curing:
F) substrate cut:
Cut by the line of cut in plate of material, form multiple surface mounting fuse protector monomers.
G) filling perforation copper facing:
Utilize the electroplates in hole technology to carry out electro-coppering filling perforation in described groove 71, groove 71 is filled up and wraps metal bath 4.
H) tip electrodes forms:
The tip electrodes 3 that processes coated left and right two end surfaces of fuse monomer on fuse monomer after filling perforation, described tip electrodes 3 is electrically connected with described metal bath 4 and described filling perforation copper coating 7, obtains surface mounting fuse protector finished product.
As need are set up through hole,, in described step a), corresponding each groove 71 processes respectively the through hole that connects the upper and lower surface of material plate body in upper and lower insulated substrate plate of material, and the lower through-hole 82 of lower insulated substrate is through the groove 71 on lower insulated substrate 2; In described step g), utilize the electroplates in hole technology in the through hole of upper and lower insulated substrate, to carry out electro-coppering filling perforation, through hole is filled up, form through hole copper coating 8, described through hole copper coating 8 is connected with described tip electrodes.
Further introduce below in conjunction with two specific embodiments the method that surface mounting fuse protector of the present invention is produced in batches:
First, by FR-4 substrate (or other common printed circuit board (PCB)) by being pressed into a square plate structure shown in Fig. 4, and be pre-formed transverse cut and longitudinal line of cut by deisgn product size, form location hole in mechanical stamping mode, thereby obtain making the material plate body of insulated substrate 1; Under making when insulated substrate 2 material plate body, by the plate of material of another identical material, (thickness is the more than 2 times of upper insulated substrate 1 thickness, and two substrates gross thickness meets product thickness requirement) form line of cut and the location hole corresponding with upper insulated substrate 1 material plate body by the same manner, form groove 71 and cavity 51 in the mode of machine cut again, as shown in Figure 5.Wherein cavity 51 is rectangular structure, and groove 71 is semicylinder structure.
Secondly, to be wound on fuse on glass wire as metal bath 4, it is laterally unsettled through the cavity 51 on lower insulated substrate 2, and frame is on groove 71, as shown in Figure 6, the outermost end of whole piece metal bath is fixed on the corresponding outermost groove 711 of lower insulated substrate 2.
Again, by point gum machine gluing process, high viscosity bi-component AB silica adhesive is put to the inner side (i.e. the position of close cavity 51) of groove 71, the some glue height outline of adhesive 6 exceeds the surface of lower insulated substrate 2, and fills up groove 71 sections completely.Fill arc quenching material 5 by gluing process toward cavity 51 inside again, preferably be filled into its surface surperficial concordant with lower insulated substrate 2 till, to guarantee that metal bath 4 is coated to arc quenching material 5 inside and reaches adequate thickness, guarantees that fuse has good high voltage interrupting performance.Arc quenching material 5 is mainly the slurry of the compositions of mixtures of liquid silica gel and silicon dioxide, wherein by granularity, at least one in 300 order～10000 object crystalline silicas or amorphous silica, aerosil etc. forms silicon dioxide, to regulate the conductive coefficient of arc extinguishing slurry, improve the operating chacteristics of fuse.
Then, upper insulated substrate 1 material plate body is located by location hole, be stacked to above lower insulated substrate 2, then entirety is put in baking oven and carries out solidifying of adhesive and arc quenching material 5, make them there is enough intensity.After solidifying, along transverse cut and longitudinal line of cut of baseplate material, fuse array is carried out to horizontal and vertical cutting and forms each fuse monomer.
Finally, adopt the conventional the electroplates in hole technology of printed circuit board (PCB) to carry out electro-coppering filling perforation at groove 71 places and obtain filling perforation copper coating 7, then form technique with tip electrodes known in the art, form tri-layers of tip electrodes structure of Cu/Ni/Sn, thereby obtain surface mounting fuse protector of the present invention, as Fig. 7.
It is 5A and the following product disjunction conditional request at 250VAC/100A that the fuse producing can meet rated current.
embodiment 2:
Referring to Fig. 8, by design size, on the lower insulated substrate 2 material plate bodys that form by embodiment 1, corresponding each groove 71 forms the through hole 82 of a communication groove 71 and lower insulated substrate 2 material plate body lower surfaces, correspondence position on upper insulated substrate 1 material plate body forms the through hole 81 of insulated substrate 1 upper and lower surface in a perforation, adopts equally the conventional the electroplates in hole technology of printed circuit board (PCB) to carry out electro-coppering filling perforation and obtain through hole copper coating 8 in above-mentioned through hole 81 and through hole 82.
Through hole 81 and through hole 82 can adopt laser drilling or machine cut, Sheet Metal Forming Technology to obtain.
Filling perforation copper coating 7 is take copper electroplating liquid as raw material, adopts chemical plating or electroplating technology to form, and obtains through hole copper coating 8 with same process filling through hole 81 and through hole 82.
Other techniques, with embodiment 1, obtain surface mounting fuse protector as shown in Figure 3.
More than show and described basic principle of the present invention, principal character and advantage of the present invention.The technical staff of the industry should understand, the present invention is not restricted to the described embodiments, that in above-described embodiment and specification, describes just illustrates principle of the present invention, and without departing from the spirit and scope of the present invention, the present invention also has various changes and modifications.The claimed scope of the present invention is defined by appending claims, specification and equivalent thereof.
Claims (10)
1. a surface mounting fuse protector, comprises metal bath, tip electrodes and insulated substrate, and described insulated substrate is made up of stacked upper insulated substrate and lower insulated substrate, and described tip electrodes is coated on the two ends, left and right of insulated substrate, it is characterized in that:
Described upper insulated substrate is slab construction, described lower insulated substrate is provided with a cavity and lays respectively at the groove of the described cavity left and right sides in the one side relative with upper insulated substrate, described groove one side is communicated with cavity, and a side connects to lower insulated substrate side, and depth of groove is less than described cavity;
Described metal bath is arranged between upper and lower insulated substrate, and metal bath middle part is suspended in described cavity, is filled with the arc quenching material that is enough to envelope metal bath in cavity; Metal bath two-end part lays respectively in left and right groove, is filled with the copper product that wraps metal bath in groove, and tip electrodes is connected with the copper body in groove.
2. a kind of surface mounting fuse protector according to claim 1, is characterized in that, the corresponding each groove of described lower insulated substrate is equipped with insulated substrate upper and lower surface the lower through-hole through described groove under a perforation; Described upper insulated substrate is provided with the upper through hole of insulated substrate upper and lower surface in perforation in the position of the each lower through-hole of correspondence, after upper and lower insulated substrate is stacked, upper through hole is communicated with corresponding groove, and in upper through hole and lower through-hole, is all filled with copper product, and the copper body in through hole is connected with described tip electrodes.
3. a kind of surface mounting fuse protector according to claim 1 and 2, is characterized in that, described groove is provided with the nonconductive adhesive layer that is highly not less than described depth of groove near one end of cavity, and metal bath is fixed in groove by described adhesive.
4. a kind of surface mounting fuse protector according to claim 1 and 2, is characterized in that, described metal bath is sheet metal, metal wire material or wire around any in the structure on glass fibre or ceramic fibre wire rod.
5. a kind of surface mounting fuse protector according to claim 1 and 2, is characterized in that, the degree of depth of described cavity is 1/2～2/3 of lower insulated substrate height; The degree of depth of described groove is 1/3～1/2 of the described cavity degree of depth.
6. a kind of surface mounting fuse protector according to claim 1 and 2, it is characterized in that, described upper insulated substrate or lower insulated substrate are any in oxide ceramics, glass or thermoset plastics, and described thermoset plastics is one or more in epoxy resin, bakelite, polyamide or polyimides.
7. a kind of surface mounting fuse protector according to claim 1 and 2, it is characterized in that, described arc quenching material is the composite mortar take liquid silica gel, silicon dioxide or the two mixture as matrix, and described silicon dioxide is that granularity is at 300 order～10000 object crystalline silicas or amorphous silica or both mixtures.
8. according to a kind of surface mounting fuse protector described in power 7, it is characterized in that, described amorphous silica is aerosil or the silicon dioxide take diatomite as main component.
9. a surface mounting fuse protector manufacture method, is characterized in that, comprises the following steps:
A) prepare insulated substrate: the upper and lower insulated substrate material that selection meets design requirement, sets in advance line of cut in plate of material surface by deisgn product size; The cavity and the groove that on lower insulated substrate material plate body, process some row or column, arbitrary cavity left and right sides is equipped with groove, goes together and is connected by described groove between adjacent cavity, and depth of groove is less than described cavity;
B) wear silk: complete metal bath bar is placed in described groove in the row direction, and unsettled through cavity;
C) some glue: the adhesive that meets performance requirement is injected in described groove, fixing metal melt, adhesive spots is the one end near cavity at groove, and ulking thickness otherwise lower than in the degree of depth of groove;
D) fill arc quenching material: the slurry of arc quenching material is filled in cavity, the metal bath in cavity is coated by arc quenching material completely;
E) substrate is stacking and curing: insulated substrate plate of material on stacked in the complete lower insulated substrate plate of material of filling, and make the two line of cut alignment, and be put in baking in baking oven, carry out the curing of arc quenching material and adhesive;
F) substrate cut: cut by the line of cut in plate of material, form multiple surface mounting fuse protector monomers;
G) filling perforation copper facing: utilize the electroplates in hole technology to carry out electro-coppering filling perforation in described groove, form the filling perforation copper coating that wraps metal bath;
H) tip electrodes forms: on the fuse monomer after filling perforation, process the tip electrodes at two ends, coated fuse monomer left and right, described tip electrodes forms and is electrically connected with described filling perforation copper coating, obtains surface mounting fuse protector finished product.
10. a kind of surface mounting fuse protector manufacture method according to claim 9, is characterized in that:
In described step a), corresponding each groove, in upper and lower insulated substrate plate of material, process respectively the through hole that connects the upper and lower surface of material plate body, lower insulated substrate through hole is through the groove on lower insulated substrate, and upper insulated substrate through hole is communicated with in corresponding groove after upper and lower material plate body is stacked;
In described step g), utilize the electroplates in hole technology in the through hole of upper and lower insulated substrate, to carry out electro-coppering filling perforation, through hole is filled up, form through hole copper coating, described through hole copper coating forms and is electrically connected with described tip electrodes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410081336.5A CN103839737B (en) | 2014-02-28 | 2014-03-07 | Surface mounting fuse protector and manufacture method thereof |
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| CN201410081336.5A CN103839737B (en) | 2014-02-28 | 2014-03-07 | Surface mounting fuse protector and manufacture method thereof |
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| CN105428179A (en) * | 2015-12-31 | 2016-03-23 | 洪湖市蓝光电子有限责任公司 | Alloy type thermal link with breaking current resistance |
| CN105551905A (en) * | 2016-02-18 | 2016-05-04 | Aem科技(苏州)股份有限公司 | Suspended fuse type surface mounting fuse and preparation method thereof |
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| CN101567283A (en) * | 2008-04-24 | 2009-10-28 | Aem科技（苏州）有限公司 | Surface mounting fuse protector and manufacturing method thereof |
| CN101937813A (en) * | 2009-06-26 | 2011-01-05 | 库帕技术公司 | Subminiature fuse with surface mount end caps and improved connectivity |
| JP2011175958A (en) * | 2010-01-28 | 2011-09-08 | Kyocera Corp | Fuse device, component for fuse device, and electronic device |
| JP2012174443A (en) * | 2011-02-21 | 2012-09-10 | Kamaya Denki Kk | Chip fuse and manufacturing method thereof |
| CN203871288U (en) * | 2014-02-28 | 2014-10-08 | 南京萨特科技发展有限公司 | Surface-mount fuse |
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| CN101567283A (en) * | 2008-04-24 | 2009-10-28 | Aem科技（苏州）有限公司 | Surface mounting fuse protector and manufacturing method thereof |
| CN101937813A (en) * | 2009-06-26 | 2011-01-05 | 库帕技术公司 | Subminiature fuse with surface mount end caps and improved connectivity |
| JP2011175958A (en) * | 2010-01-28 | 2011-09-08 | Kyocera Corp | Fuse device, component for fuse device, and electronic device |
| JP2012174443A (en) * | 2011-02-21 | 2012-09-10 | Kamaya Denki Kk | Chip fuse and manufacturing method thereof |
| CN203871288U (en) * | 2014-02-28 | 2014-10-08 | 南京萨特科技发展有限公司 | Surface-mount fuse |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105428179A (en) * | 2015-12-31 | 2016-03-23 | 洪湖市蓝光电子有限责任公司 | Alloy type thermal link with breaking current resistance |
| CN105428179B (en) * | 2015-12-31 | 2018-10-30 | 洪湖市蓝光电子有限责任公司 | A kind of alloy-type thermal fuse-link of resistance to turn-off current |
| CN105551905A (en) * | 2016-02-18 | 2016-05-04 | Aem科技(苏州)股份有限公司 | Suspended fuse type surface mounting fuse and preparation method thereof |
| CN105551905B (en) * | 2016-02-18 | 2017-11-21 | Aem科技(苏州)股份有限公司 | A kind of suspended-fuse-wire-type surface-mount fuse and preparation method thereof |
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| Publication number | Publication date |
|---|---|
| CN103839737B (en) | 2016-03-30 |
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