CN205911276U - Slimming protecting component - Google Patents
Slimming protecting component Download PDFInfo
- Publication number
- CN205911276U CN205911276U CN201620775176.9U CN201620775176U CN205911276U CN 205911276 U CN205911276 U CN 205911276U CN 201620775176 U CN201620775176 U CN 201620775176U CN 205911276 U CN205911276 U CN 205911276U
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- Prior art keywords
- metal layer
- slimming
- tin
- nickel
- copper
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- 239000000758 substrate Substances 0.000 claims abstract description 9
- 238000005516 engineering process Methods 0.000 claims abstract description 7
- 239000012815 thermoplastic material Substances 0.000 claims abstract description 6
- 229910052751 metal Inorganic materials 0.000 claims description 407
- 239000002184 metal Substances 0.000 claims description 407
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 155
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 125
- 229910052802 copper Inorganic materials 0.000 claims description 83
- 239000010949 copper Substances 0.000 claims description 83
- 229910052759 nickel Inorganic materials 0.000 claims description 83
- 230000008018 melting Effects 0.000 claims description 68
- 238000002844 melting Methods 0.000 claims description 68
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 61
- 150000001879 copper Chemical class 0.000 claims description 44
- 150000002815 nickel Chemical class 0.000 claims description 41
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 39
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims description 25
- 238000010276 construction Methods 0.000 claims description 22
- 229910052709 silver Inorganic materials 0.000 claims description 14
- 239000004332 silver Substances 0.000 claims description 14
- 238000000465 moulding Methods 0.000 claims description 10
- 229910052804 chromium Inorganic materials 0.000 claims description 8
- 239000011651 chromium Substances 0.000 claims description 8
- 239000004020 conductor Substances 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 7
- 238000007747 plating Methods 0.000 claims description 7
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 claims description 6
- 239000000956 alloy Substances 0.000 claims description 6
- 238000000151 deposition Methods 0.000 claims description 6
- 230000008021 deposition Effects 0.000 claims description 6
- 238000001704 evaporation Methods 0.000 claims description 6
- 230000008020 evaporation Effects 0.000 claims description 6
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims description 6
- 230000008569 process Effects 0.000 claims description 6
- 229910045601 alloy Inorganic materials 0.000 claims description 4
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 4
- 229910052737 gold Inorganic materials 0.000 claims description 4
- 239000010931 gold Substances 0.000 claims description 4
- 230000000873 masking effect Effects 0.000 claims description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 3
- 239000004952 Polyamide Substances 0.000 claims description 3
- 239000004721 Polyphenylene oxide Substances 0.000 claims description 3
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052797 bismuth Inorganic materials 0.000 claims description 3
- JCXGWMGPZLAOME-UHFFFAOYSA-N bismuth atom Chemical compound [Bi] JCXGWMGPZLAOME-UHFFFAOYSA-N 0.000 claims description 3
- 229920001971 elastomer Polymers 0.000 claims description 3
- 229910052738 indium Inorganic materials 0.000 claims description 3
- APFVFJFRJDLVQX-UHFFFAOYSA-N indium atom Chemical compound [In] APFVFJFRJDLVQX-UHFFFAOYSA-N 0.000 claims description 3
- 238000007733 ion plating Methods 0.000 claims description 3
- 238000003913 materials processing Methods 0.000 claims description 3
- 238000010422 painting Methods 0.000 claims description 3
- 229910052763 palladium Inorganic materials 0.000 claims description 3
- 229910052697 platinum Inorganic materials 0.000 claims description 3
- 229920002647 polyamide Polymers 0.000 claims description 3
- 229920006380 polyphenylene oxide Polymers 0.000 claims description 3
- 239000005060 rubber Substances 0.000 claims description 3
- 238000007493 shaping process Methods 0.000 claims description 3
- 238000005507 spraying Methods 0.000 claims description 3
- 239000000126 substance Substances 0.000 claims description 3
- 229910052719 titanium Inorganic materials 0.000 claims description 3
- 239000010936 titanium Substances 0.000 claims description 3
- 239000004793 Polystyrene Substances 0.000 claims description 2
- 239000000976 ink Substances 0.000 claims description 2
- 239000000203 mixture Substances 0.000 claims description 2
- 239000004417 polycarbonate Substances 0.000 claims description 2
- 229920000515 polycarbonate Polymers 0.000 claims description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims 1
- 230000005611 electricity Effects 0.000 claims 1
- 239000010685 fatty oil Substances 0.000 claims 1
- 229910052760 oxygen Inorganic materials 0.000 claims 1
- 239000001301 oxygen Substances 0.000 claims 1
- 230000004048 modification Effects 0.000 abstract description 3
- 238000012986 modification Methods 0.000 abstract description 3
- 230000009467 reduction Effects 0.000 abstract description 3
- 238000009413 insulation Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 6
- 230000005496 eutectics Effects 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- ALKZAGKDWUSJED-UHFFFAOYSA-N dinuclear copper ion Chemical compound [Cu].[Cu] ALKZAGKDWUSJED-UHFFFAOYSA-N 0.000 description 4
- XIKYYQJBTPYKSG-UHFFFAOYSA-N nickel Chemical compound [Ni].[Ni] XIKYYQJBTPYKSG-UHFFFAOYSA-N 0.000 description 4
- OGFYIDCVDSATDC-UHFFFAOYSA-N silver silver Chemical compound [Ag].[Ag] OGFYIDCVDSATDC-UHFFFAOYSA-N 0.000 description 4
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- 150000001336 alkenes Chemical class 0.000 description 1
- WYTGDNHDOZPMIW-RCBQFDQVSA-N alstonine Natural products C1=CC2=C3C=CC=CC3=NC2=C2N1C[C@H]1[C@H](C)OC=C(C(=O)OC)[C@H]1C2 WYTGDNHDOZPMIW-RCBQFDQVSA-N 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-N carbonic acid Chemical compound OC(O)=O BVKZGUZCCUSVTD-UHFFFAOYSA-N 0.000 description 1
- 230000008859 change Effects 0.000 description 1
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Landscapes
- Fuses (AREA)
Abstract
The utility model discloses a slimming protecting component, be equipped with two at least confessions and external circuit electrical connection's electrode on an insulation substrate, other has a fusing structure electrical connection that can supply fusing under the preset temperature between these at least two electrodes, and be equipped with one to the major general shielding structure that the structure covers that should fuse, its shielding structure is directly covered through film forming processing technology by insulating thermoplastic material and locates fusing structure surface, the uplift of the fusing structure of scorification can be cooperated and the modification is corresponded, and unlikely fusing structure of being swelled props ruins, use the volume of the whole protecting component of effective reduction, the product that helps using develops towards the slimming direction.
Description
Technical field
About a kind of overcurrent/overvoltage protection element, particularly relate to one kind effectively can reduce volume to this utility model,
Contribute to the slimming protection element that applied product develops towards slimming direction.
Background technology
It is known that general electric current/overvoltage protection element (hereinafter referred to as protection element), mainly in order in protection circuit
Circuit or appliance, prevent it to be subject to the electric current of moment excess or too high voltage and sophisticated electronics caused damage
Bad.When immediate current exceedes predetermined current capacity value, with the completed fusing structure of alloy material because of moment in the middle of protection element
Heat produced by excessive electric current and by high heat burnout, and then formed open circuit, so that excessive electric current is no longer flow in circuit, with
Protection circuit and electric equipment avoid damaging.
As shown in Figure 1 it is known that a kind of commonly use two electrode portions 12 that protection element has on an insulated substrate 11, separately in
A fusing structure 13 being completed by the alloy material of low melting point is connected between this two electrode portions 12, and in this insulated substrate 11
Upper cover sets the shielding construction 14 of this fusing structure of one to major general masking, prevents fusing structure oxidation and the electronics unit avoiding periphery
Part or circuit are damaged by the metal of scorification.
General fusing structure 13 is because the part of high temperature and scorification can be in protuberantia as illustrated in the drawing because of cohesion
Shape；Furthermore, commonly use protection element and made by relatively having rigid material using shielding construction more than 14, and through assembling or stick together
Mode be fixed on this insulated substrate 11, it is to avoid suffering the position support of fusing structure 13 scorification to ruin, and must its with molten
Form a cavity space between disconnected structure 13.
So not only cannot effectively reduce the volume of protection element, and also relatively be less favorable for applied product towards slim
Change direction to develop；Especially, whole protection element is when actual production, must include the molding of shielding construction 14 and assembling simultaneously
Man-hour, process cost, or even affect the yield of protection element because of shielding construction 14 assembly failure.
Utility model content
In view of this, the technical problem that this utility model is solved is providing one kind effectively can reduce volume, helps
The slimming protection element developing towards slimming direction in the product applied.
The technological means that this utility model is adopted are as described below.
Slimming protection element of the present utility model, is provided with least two for electric with external circuit on an insulated substrate
Connect electrode, at a temperature of separately having one to be available for presetting fusing fusing structure be electrically connected in this at least two electrode it
Between, and the shielding construction being provided with the masking of this fusing structure of one to major general；It is characterized in that: this shielding construction is by insulating layer and thermoplastic
Material directly covers in this fusing structure surface through film forming process technology.
Using said structure feature, slimming protection element of the present utility model exceedes predetermined current capacity in immediate current
Value, and make fusing structure by the case of high heat burnout, its shielding construction can coordinate the protuberance of the fusing structure of scorification to correspond to
Modification, and accept high temperature action simultaneously and produce splendid ductility, the fusing structure support that will not be swelled is ruined, and uses and can have
The volume of effect reduction Global Macros element, contributes to applied product and develops towards slimming direction.
According to above-mentioned technical characteristic, this fusing structure described is presented with alloy kenel.
According to above-mentioned technical characteristic, this fusing structure described is stacked by the metal level of at least two different melting points to be constituted.
According to above-mentioned technical characteristic, this fusing structure described is from bottom to top sequentially provided with a high melting point metal layer and an eutectic
Point metal level.
According to above-mentioned technical characteristic, this fusing structure described is from bottom to top sequentially provided with a low-melting-point metal layer and a Gao Rong
Point metal level.
According to above-mentioned technical characteristic, this fusing structure described is from bottom to top sequentially provided with a high melting point metal layer, an eutectic
Point metal level and a high melting point metal layer.
According to above-mentioned technical characteristic, this fusing structure described is from bottom to top sequentially provided with a low-melting-point metal layer, a Gao Rong
Point metal level and a low-melting-point metal layer.
According to above-mentioned technical characteristic, this fusing structure described is from bottom to top sequentially provided with a high melting point metal layer, a Gao Rong
Point metal level and a low-melting-point metal layer.
According to above-mentioned technical characteristic, this fusing structure described is from bottom to top sequentially provided with a low-melting-point metal layer, a Gao Rong
Point metal level, a high melting point metal layer and a low-melting-point metal layer.
According to above-mentioned technical characteristic, this fusing structure described is from bottom to top sequentially provided with a high melting point metal layer, an eutectic
Point metal level, a high melting point metal layer and a high melting point metal layer.
According to above-mentioned technical characteristic, this fusing structure described is from bottom to top sequentially provided with a high melting point metal layer, a Gao Rong
Point metal level, a low-melting-point metal layer and a high melting point metal layer.
According to above-mentioned technical characteristic, this fusing structure described is from bottom to top sequentially provided with a high melting point metal layer, a Gao Rong
Point metal level, a high melting point metal layer and a low-melting-point metal layer.
According to above-mentioned technical characteristic, this fusing structure described is provided with what a tin metal layer being made up of stannum and was made up of copper
Copper metal layer；This tin metal layer is 30:1 ~ 120:1 with the volume ratio of this copper metal layer；The thickness of this copper metal layer between 0.1 ~
2um；The thickness of this tin metal layer is between 3 ~ 240um.
According to above-mentioned technical characteristic, this fusing structure described is provided with what a tin metal layer being made up of stannum and was made up of copper
Copper metal layer；This tin metal layer is 60:1 with the volume ratio of this copper metal layer；The thickness of this copper metal layer is 1.5um；This Sillim
The thickness belonging to layer is 90um.
According to above-mentioned technical characteristic, this fusing structure described is provided with what a tin metal layer being made up of stannum and was made up of nickel
Nickel metal layer；This tin metal layer is 50:1 ~ 160:1 with the volume ratio of this nickel metal layer；The thickness of this nickel metal layer between 0.1 ~
2um；The thickness of this tin metal layer is between 5 ~ 320um.
According to above-mentioned technical characteristic, this fusing structure described is provided with what a tin metal layer being made up of stannum and was made up of nickel
Nickel metal layer；This tin metal layer is 90:1 with the volume ratio of this nickel metal layer；The thickness of this nickel metal layer is 1um；This tin metal
The thickness of layer is 90um.
According to above-mentioned technical characteristic, this fusing structure described is provided with what a tin metal layer being made up of stannum and was made up of silver
Silver metal layer；This tin metal layer is 25:1 ~ 110:1 with the volume ratio of this silver metal layer；The thickness of this silver metal layer between 0.1 ~
2um；The thickness of this tin metal layer is between 2.5 ~ 220um.
According to above-mentioned technical characteristic, this fusing structure described is provided with what a tin metal layer being made up of stannum and was made up of silver
Silver metal layer；This tin metal layer is 50:1 with the volume ratio of this silver metal layer；The thickness of this silver metal layer is 1.5um；This Sillim
The thickness belonging to layer is 75um.
According to above-mentioned technical characteristic, this fusing structure described is provided with a tin metal layer being made up of stannum, one is made up of copper
Copper metal layer and a silver metal layer being made up of silver；The volume ratio of this tin metal layer, this copper metal layer and this silver metal layer is 60:
1:1 ~ 240:1:1；This copper metal layer adds the thickness of this silver metal layer between 0.2 ~ 4um；The thickness of this tin metal layer between 6 ~
480um.
According to above-mentioned technical characteristic, this fusing structure described is provided with a tin metal layer being made up of stannum, one is made up of copper
Copper metal layer and a silver metal layer being made up of silver；The volume ratio of this tin metal layer, this copper metal layer and this silver metal layer is
120:1:1；This copper metal layer adds that the thickness of this silver metal layer is 1.5um；The thickness of this tin metal layer is 90um.
According to above-mentioned technical characteristic, this fusing structure described is provided with a tin metal layer being made up of stannum, one is made up of nickel
Nickel metal layer and a copper metal layer being made up of copper；The volume ratio of this tin metal layer, this nickel metal layer and this copper metal layer is
100:0.5:1 ~ 320:0.5:1；This nickel metal layer adds the thickness of this copper metal layer between 0.15 ~ 3um；The thickness of this tin metal layer
Degree is between 10 ~ 640um.
According to above-mentioned technical characteristic, this fusing structure described is provided with a tin metal layer being made up of stannum, one is made up of nickel
Nickel metal layer and a copper metal layer being made up of copper；The volume ratio of this tin metal layer, this nickel metal layer and this copper metal layer is
200:0.5:1；This nickel metal layer adds that the thickness of this copper metal layer is 0.6um；The thickness of this tin metal layer is 80um.
According to above-mentioned technical characteristic, this fusing structure described is provided with a tin metal layer being made up of stannum, one is made up of silver
Silver metal layer and a nickel metal layer being made up of nickel；The volume ratio of this tin metal layer, this silver metal layer and this nickel metal layer is 50:
1:0.5 ~ 220:1:0.5；This silver metal layer adds the thickness of this nickel metal layer between 0.15 ~ 3um；The thickness of this tin metal layer is situated between
In 5 ~ 440um.
According to above-mentioned technical characteristic, this fusing structure described is provided with a tin metal layer being made up of stannum, one is made up of silver
Silver metal layer and a nickel metal layer being made up of nickel；The volume ratio of this tin metal layer, this silver metal layer and this nickel metal layer is
150:1:0.5；This silver metal layer adds that the thickness of this nickel metal layer is 0.6um；The thickness of this tin metal layer is 80um.
According to above-mentioned technical characteristic, this fusing structure described is provided with a tin metal layer being made up of stannum, one is made up of copper
The chromium metal level that copper metal layer, a nickel metal layer being made up of nickel and are made up of chromium；This tin metal layer, this copper metal layer, should
The volume ratio of nickel metal layer and this chromium metal level is 80:1:0.5:0.125 ~ 300:1:0.5:0.125；This copper metal layer adds should
Nickel metal layer adds the thickness of this chromium metal level between 0.1625 ~ 3.25um；The thickness of this tin metal layer is between 8 ~ 600um.
According to above-mentioned technical characteristic, this fusing structure described is provided with a tin metal layer being made up of stannum, one is made up of copper
The chromium metal level that copper metal layer, a nickel metal layer being made up of nickel and are made up of chromium；This tin metal layer, this copper metal layer, should
The volume ratio of nickel metal layer and this chromium metal level is 120:1:0.5:0.125；This copper metal layer adds that this nickel metal layer adds and is somebody's turn to do
The thickness of chromium metal level is 06um；The thickness of this tin metal layer is 92um.
The fusing point of respectively this low-melting-point metal layer in the middle of this fusing structure described between 60 ~ 350 degree Celsius, respectively this high-melting-point
The fusing point of metal level is between 600 ~ 1900 degree Celsius.
The metal of respectively this low-melting-point metal layer in the middle of this fusing structure described can be one of stannum, indium or bismuth；Respectively
The metal of this high melting point metal layer can be one of aluminum, silver, copper, nickel, chromium, ferrum, gold, platinum, palladium or titanium.
Respectively this metal level in the middle of this fusing structure described may be selected with sputter, evaporation, chemical plating, ion plating, plating or
Vapour deposition one way in which builds molding.
Respectively this metal level in the middle of this fusing structure described builds rectangular profile.
Respectively this metal level in the middle of this fusing structure described builds in I-shaped profile.
Respectively this metal level in the middle of this fusing structure described builds serpentine-like profile.
This shielding construction described can select by epoxy resin ink, polystyrene (ps), polyamide (pa), poly- carbonic acid
Fat, polyphenylene oxide or rubber one of which materials processing molding.
This shielding construction described can select by coating, screen painting, spraying, vapour deposition or evaporation one way in which
Machine-shaping.
This slimming protection element described, is connected a high-melting-point conduction material between this fusing structure and respectively this electrode respectively
Material.
This slimming protection element described, is connected a high-melting-point conduction material between this fusing structure and respectively this electrode respectively
Material, respectively the cumulative volume of this high-melting-point conductive material is generally equal to the volume of this fusing structure.
Technique effect produced by this utility model: the slimming protection element disclosed by this utility model, main transmission
Film forming process technology directly covers by the shielding construction of insulating thermoplastic material's molding in fusing structure surface, can effectively reduce
The volume of Global Macros element, contributes to applied product and develops towards slimming direction；Especially, can be utilized its at least two
Form the structure design of the fusing structure being made up of the metal level of at least two different melting points between individual electrode, be not only advantageous to
The multiformity of product specification realized by Global Macros element, and its spendable metal range of choice larger it is sufficient to avoid may product
The metal of toxigenicity, contributes to protection element and passes through rohs standard.
Brief description
Fig. 1 is the structure sectional view commonly using protection element.
Fig. 2 is the slimming protection element structure sectional view of this new first embodiment.
Fig. 3 is the slimming protection element appearance assumption diagram of this new first embodiment.
Fig. 4 is the slimming protection element structure decomposition figure of this new first embodiment.
Fig. 5 is the view of this new central protuberance of fusing structure of shielding construction cooperation scorification and modification.
Fig. 6 is the slimming protection element structure sectional view of this new second embodiment.
Fig. 7 is the slimming protection element structure sectional view of this new 3rd embodiment.
Fig. 8 is the fusing structure appearance profile schematic diagram in the middle of the slimming protection element of this new fourth embodiment.
Fig. 9 is the fusing structure appearance profile schematic diagram in the middle of the slimming protection element of this new 5th embodiment.
Figure number illustrates:
Prior art
11 insulated substrates
12 electrode portions
13 fusing structures
14 shielding constructions
This utility model
20 insulated substrates
31 electrodes
32 electrodes
40 fusing structures
41 high melting point metal layers
42 low-melting-point metal layers
50 shielding constructions
60 high-melting-point conductive materials.
Specific embodiment
This utility model mainly provides one kind can effectively reduce volume, contributes to applied product towards slimming side
To the slimming protection element of development, as shown in Fig. 2 is to Fig. 4, slimming protection element of the present utility model, in an insulation base
Plate 20 is provided with least two for the electrode 31,32 with external circuit electrical connection, at a temperature of separately having one to be available for presetting
The fusing structure 40 of fusing is electrically connected between this at least two electrode 31,32, and is provided with this fusing structure of one to major general
The shielding construction 50 of 40 maskings.
Of the present utility model it is characterised by: it is direct that this shielding construction 50 passes through film forming process technology by insulating thermoplastic material
Cover in this fusing structure 40 surface；When implementing, this shielding construction 50 described can select by epoxy resin ink, polyphenyl second
Alkene (ps), polyamide (pa), polycarbonate, polyphenylene oxide or rubber one of which materials processing molding；And, can select by applying
Cover, screen painting, spraying, vapour deposition or evaporation one way in which machine-shaping.
As shown in figure 5, slimming protection element of the present utility model exceedes predetermined current capacity value in immediate current, and make
By in the case of high heat burnout, its shielding construction 50 can coordinate the protuberance of fusing structure 40 of scorification and to strain to fusing structure 40
Type, and accept high temperature action simultaneously and produce splendid ductility, fusing structure 40 support that will not be swelled is ruined, and uses and can have
The volume of effect reduction Global Macros element, contributes to applied product and develops towards slimming direction.
Slimming protection element of the present utility model, when implementing, this fusing structure described can be presented with alloy kenel；Institute
State this fusing structure 40 to be also stacked by the metal level of at least two different melting points and constitute as shown in Figures 2 and 4；In Fig. 2 and
In embodiment shown in Fig. 4, this fusing structure 40 described is from bottom to top sequentially provided with a high melting point metal layer 41 and an eutectic
Point metal level 42；Certainly, this fusing structure described also from bottom to top can sequentially be provided with a low-melting-point metal layer and high-melting-point gold
Belong to layer.
Furthermore, no matter this fusing structure described is presented with alloy kenel, or the metal level by least two different melting points
It is stacked composition, overall slimming protection element, one can be connected respectively between this fusing structure 40 and respectively this electrode further
High-melting-point conductive material 60, is reduced fusing structure 40 further, uses protuberance degree when reducing its high heat burnout；Here
Under structure kenel, the cumulative volume of described respectively this high-melting-point conductive material 60 is generally preferred equal to the volume of this fusing structure 40.
Slimming protection element of the present utility model, when implementing, when implementing, this fusing structure 40 described also can be as figure
Shown in 6, from bottom to top sequentially it is provided with a high melting point metal layer 41, a low-melting-point metal layer 42 and a high melting point metal layer 41；Or
From bottom to top sequentially it is provided with a low-melting-point metal layer, a high melting point metal layer and a low-melting-point metal layer；Or from bottom to top sequentially
It is provided with a high melting point metal layer, a high melting point metal layer and a low-melting-point metal layer.
And, this fusing structure 40 described also can as shown in fig. 7, be from bottom to top sequentially provided with a low-melting-point metal layer 42,
One high melting point metal layer 41, a high melting point metal layer 41 and a high melting point metal layer 41；Or from bottom to top sequentially it is provided with a Gao Rong
Point metal level, a low-melting-point metal layer, a high melting point metal layer and a high melting point metal layer；Or it is high to be from bottom to top sequentially provided with one
Melting point metal layer, a high melting point metal layer, a low-melting-point metal layer and a high melting point metal layer；Or from bottom to top sequentially it is provided with one
High melting point metal layer, a high melting point metal layer, a high melting point metal layer and a low-melting-point metal layer.
Fusing point as, above-mentioned respectively this low-melting-point metal layer can be between 60 ~ 350 degree Celsius, respectively this high melting point metal layer
Fusing point then can be between 600 ~ 1900 degree Celsius.And, the metal of described respectively this low-melting-point metal layer can for stannum, indium or bismuth wherein
One of；Respectively the metal of this high melting point metal layer can be one of aluminum, silver, copper, nickel, chromium, ferrum, gold, platinum, palladium or titanium.
As a example structure kenel shown in by Fig. 2 and Fig. 4, slimming protection element of the present utility model, can its at least two
Formed between individual electrode 31,32 by metal level (high melting point metal layer 41, the eutectic as illustrated in the drawing of at least two different melting points
Point metal level 42) fusing structure 40 that constituted, and under normal conditions by the total metal level (high melting point metal layer of fusing structure 40
41st, low-melting-point metal layer 42) constitute the electrode conduction of protection element, make protection element be applied to possess overcurrent or
Or in the circuit of overvoltage protection.
When immediate current exceedes predetermined current capacity value, in the middle of fusing structure 40, the relatively low metal level of fusing point is (low
Melting point metal layer 42) fuse first, fusing structure 40, because current impedance moment increases, causes other fusing points of a relatively high simultaneously
Metal level (high melting point metal layer 41) can by high heat burnout, use produce make its circuit protected avoid damage power-off effect
Really.
Especially, the mode that can pass through the mass ratio of adjustment different metal layer controls the fusing-off temperature of fusing structure, is conducive to
The multiformity of product specification realized by Global Macros element, and its spendable metal range of choice larger it is sufficient to avoid may product
The metal of toxigenicity, contribute to protection element pass through electrically, limit in electronic equipment and use some Hazardous Substances Directive (the
restriction of the use of certain hazardous substances in electrical and
Electronic equipment, rohs) standard.
Of the present utility model first is embodied as under kenel, and this fusing structure described can be provided with a tin metal being made up of stannum
Layer and a copper metal layer being made up of copper；This tin metal layer is 30:1 ~ 120:1 with the volume ratio of this copper metal layer；This copper metal
The thickness of layer is between 0.1 ~ 2um；The thickness of this tin metal layer is between 3 ~ 240um.Here is implemented under kenel；This tin metal layer with should
The volume ratio of copper metal layer is 60:1；The thickness of this copper metal layer is 1.5um；The thickness of this tin metal layer is preferred for 90um.
Of the present utility model second is embodied as under kenel, and this fusing structure described can be provided with a tin metal being made up of stannum
Layer and a nickel metal layer being made up of nickel；This tin metal layer is 50:1 ~ 160:1 with the volume ratio of this nickel metal layer；This nickel metal
The thickness of layer is between 0.1 ~ 2um；The thickness of this tin metal layer is between 5 ~ 320um.Here implement kenel under, this tin metal layer with should
The volume ratio of nickel metal layer is 90:1；The thickness of this nickel metal layer is 1um；The thickness of this tin metal layer is preferred for 90um.
Of the present utility model 3rd is embodied as under kenel, and this fusing structure described can be provided with a tin metal being made up of stannum
Layer and a silver metal layer being made up of silver；This tin metal layer is 25:1 ~ 110:1 with the volume ratio of this silver metal layer；This silver metal
The thickness of layer is between 0.1 ~ 2um；The thickness of this tin metal layer is between 2.5 ~ 220um.Here implement kenel under, this tin metal layer with
The volume ratio of this silver metal layer is 50:1；The thickness of this silver metal layer is 1.5um；The thickness of this tin metal layer is preferred for 75um.
Of the present utility model 4th is embodied as under kenel, and this fusing structure described can be provided with a tin metal being made up of stannum
Layer, a copper metal layer being made up of copper and a silver metal layer being made up of silver；This tin metal layer, this copper metal layer and this silver metal
The volume ratio of layer is 60:1:1 ~ 240:1:1；This copper metal layer adds the thickness of this silver metal layer between 0.2 ~ 4um；This tin metal
The thickness of layer is between 6 ~ 480um.Here is implemented under kenel, the volume ratio of this tin metal layer, this copper metal layer and this silver metal layer
For 120:1:1；This copper metal layer adds that the thickness of this silver metal layer is 1.5um；The thickness of this tin metal layer is preferred for 90um.
Of the present utility model 5th is embodied as under kenel, and this fusing structure described can be provided with a tin metal being made up of stannum
Layer, a nickel metal layer being made up of nickel and a copper metal layer being made up of copper；This tin metal layer, this nickel metal layer and this copper metal
The volume ratio of layer is 100:0.5:1 ~ 320:0.5:1；This nickel metal layer adds the thickness of this copper metal layer between 0.15 ~ 3um；Should
The thickness of tin metal layer is between 10 ~ 640um.Here is implemented under kenel, this tin metal layer, this nickel metal layer and this copper metal layer
Volume ratio is 200:0.5:1；This nickel metal layer adds that the thickness of this copper metal layer is 0.6um；The thickness of this tin metal layer is
80um is preferred.
Of the present utility model 6th is embodied as under kenel, and this fusing structure described can be provided with a tin metal being made up of stannum
Layer, a silver metal layer being made up of silver and a nickel metal layer being made up of nickel；This tin metal layer, this silver metal layer and this nickel metal
The volume ratio of layer is 50:1:0.5 ~ 220:1:0.5；This silver metal layer adds the thickness of this nickel metal layer between 0.15 ~ 3um；Should
The thickness of tin metal layer is between 5 ~ 440um.Here is implemented under kenel, this tin metal layer, this silver metal layer and this nickel metal layer
Volume ratio is 150:1:0.5；This silver metal layer adds that the thickness of this nickel metal layer is 0.6um；The thickness of this tin metal layer is
80um is preferred.
Of the present utility model 7th is embodied as under kenel, and this fusing structure described can be provided with a tin metal being made up of stannum
The chromium metal level that layer, a copper metal layer being made up of copper, a nickel metal layer being made up of nickel and are made up of chromium；This tin metal
Layer, the volume ratio of this copper metal layer, this nickel metal layer and this chromium metal level are 80:1:0.5:0.125 ~ 300:1:0.5:0.125；
This copper metal layer adds that this nickel metal layer adds the thickness of this chromium metal level between 0.1625 ~ 3.25um；The thickness of this tin metal layer
Degree is between 8 ~ 600um.Here is implemented under kenel, this tin metal layer, the body of this copper metal layer, this nickel metal layer and this chromium metal level
Long-pending ratio is 120:1:0.5:0.125；This copper metal layer adds that this nickel metal layer adds that the thickness of this chromium metal level is 06um；This stannum
The thickness of metal level is preferred for 92um.
Slimming protection element of the present utility model is taken off under the various structure kenels that may implement upper, described respectively this metal
Layer may be selected to build molding with sputter, evaporation, chemical plating, ion plating, plating or vapour deposition one way in which.Special instruction
, except with the metal level of insulated substrate contact surface in addition to, its respectively this metal level all can using plating mode build molding.Extremely
In respectively this metal level (high melting point metal layer 41 as depicted, low-melting-point metal layer 42) can build in rectangle as shown in Figure 3
Profile, makes whole fusing structure 40 can do the disposable fusing effect of less resistance；Respectively this metal level (high-melting-point as depicted
Metal level 41, low-melting-point metal layer 42) also can build in I-shaped profile as shown in Figure 8 so that entirely being melted with using to control
The fusing position of disconnected structure 40；Respectively this metal level (high melting point metal layer 41 as depicted, low-melting-point metal layer 42) also can be built
Put in serpentine profile as shown in Figure 9, make whole fusing structure 40 can do the disposable fusing effect of higher resistance value.
Specifically, the slimming protection element disclosed by this utility model, mainly pass through film forming process technology directly in
Fusing structure surface covers by the shielding construction of insulating thermoplastic material's molding, can effectively reduce the body of Global Macros element
Long-pending, contribute to applied product and develop towards slimming direction；Especially, can be utilized formed between its at least two electrode by
The structure design of the fusing structure that the metal level of at least two different melting points is constituted, is not only advantageous to Global Macros element and realizes
The multiformity of product specification, and its spendable metal range of choice larger it is sufficient to avoid may produce toxicity metal, help
Pass through rohs standard in protection element.
Claims (36)
1. a kind of slimming protection element, is provided with least two for the electricity with external circuit electrical connection on an insulated substrate
Pole, at a temperature of separately having one to be available for presetting, the fusing structure of fusing is electrically connected between this at least two electrode, and
It is provided with the shielding construction of this fusing structure of one to major general masking；It is characterized in that:
This shielding construction is directly covered in this fusing structure surface through film forming process technology by insulating thermoplastic material.
2. slimming protection element as claimed in claim 1 is it is characterised in that this fusing structure is presented with alloy kenel.
3. slimming protection element as claimed in claim 1 is it is characterised in that this fusing structure is by least two different melting points
Metal level be stacked composition.
4. slimming protection element as claimed in claim 1 is it is characterised in that this fusing structure is from bottom to top sequentially provided with one
High melting point metal layer and a low-melting-point metal layer.
5. slimming protection element as claimed in claim 1 is it is characterised in that this fusing structure is from bottom to top sequentially provided with one
Low-melting-point metal layer and a high melting point metal layer.
6. slimming protection element as claimed in claim 1 is it is characterised in that this fusing structure is from bottom to top sequentially provided with one
High melting point metal layer, a low-melting-point metal layer and a high melting point metal layer.
7. slimming protection element as claimed in claim 1 is it is characterised in that this fusing structure is from bottom to top sequentially provided with one
Low-melting-point metal layer, a high melting point metal layer and a low-melting-point metal layer.
8. slimming protection element as claimed in claim 1 is it is characterised in that this fusing structure is from bottom to top sequentially provided with one
High melting point metal layer, a high melting point metal layer and a low-melting-point metal layer.
9. slimming protection element as claimed in claim 1 is it is characterised in that this fusing structure is from bottom to top sequentially provided with one
Low-melting-point metal layer, a high melting point metal layer, a high melting point metal layer and a high melting point metal layer.
10. slimming protection element as claimed in claim 1 is it is characterised in that this fusing structure is from bottom to top sequentially provided with
One high melting point metal layer, a low-melting-point metal layer, a high melting point metal layer and a high melting point metal layer.
11. slimming protection elements as claimed in claim 1 are it is characterised in that this fusing structure is from bottom to top sequentially provided with
One high melting point metal layer, a high melting point metal layer, a low-melting-point metal layer and a high melting point metal layer.
12. slimming protection elements as claimed in claim 1 are it is characterised in that this fusing structure is from bottom to top sequentially provided with
One high melting point metal layer, a high melting point metal layer, a high melting point metal layer and a low-melting-point metal layer.
13. slimming protection elements as claimed in claim 1 are it is characterised in that this fusing structure is provided with one is made up of stannum
Tin metal layer and a copper metal layer being made up of copper；This tin metal layer is 30:1 ~ 120:1 with the volume ratio of this copper metal layer；Should
The thickness of copper metal layer is between 0.1 ~ 2um；The thickness of this tin metal layer is between 3 ~ 240um.
14. slimming protection elements as claimed in claim 1 are it is characterised in that this fusing structure is provided with one is made up of stannum
Tin metal layer and a copper metal layer being made up of copper；This tin metal layer is 60:1 with the volume ratio of this copper metal layer；This copper metal
The thickness of layer is 1.5um；The thickness of this tin metal layer is 90um.
15. slimming protection elements as claimed in claim 1 are it is characterised in that this fusing structure is provided with one is made up of stannum
Tin metal layer and a nickel metal layer being made up of nickel；This tin metal layer is 50:1 ~ 160:1 with the volume ratio of this nickel metal layer；Should
The thickness of nickel metal layer is between 0.1 ~ 2um；The thickness of this tin metal layer is between 5 ~ 320um.
16. slimming protection elements as claimed in claim 1 are it is characterised in that this fusing structure is provided with one is made up of stannum
Tin metal layer and a nickel metal layer being made up of nickel；This tin metal layer is 90:1 with the volume ratio of this nickel metal layer；This nickel metal
The thickness of layer is 1um；The thickness of this tin metal layer is 90um.
17. slimming protection elements as claimed in claim 1 are it is characterised in that this fusing structure is provided with one is made up of stannum
Tin metal layer and a silver metal layer being made up of silver；This tin metal layer is 25:1 ~ 110:1 with the volume ratio of this silver metal layer；Should
The thickness of silver metal layer is between 0.1 ~ 2um；The thickness of this tin metal layer is between 2.5 ~ 220um.
18. slimming protection elements as claimed in claim 1 are it is characterised in that this fusing structure is provided with one is made up of stannum
Tin metal layer and a silver metal layer being made up of silver；This tin metal layer is 50:1 with the volume ratio of this silver metal layer；This silver metal
The thickness of layer is 1.5um；The thickness of this tin metal layer is 75um.
19. slimming protection elements as claimed in claim 1 are it is characterised in that this fusing structure is provided with one is made up of stannum
Tin metal layer, a copper metal layer being made up of copper and a silver metal layer being made up of silver；This tin metal layer, this copper metal layer and should
The volume ratio of silver metal layer is 60:1:1 ~ 240:1:1；This copper metal layer adds the thickness of this silver metal layer between 0.2 ~ 4um；Should
The thickness of tin metal layer is between 6 ~ 480um.
20. slimming protection elements as claimed in claim 1 are it is characterised in that this fusing structure is provided with one is made up of stannum
Tin metal layer, a copper metal layer being made up of copper and a silver metal layer being made up of silver；This tin metal layer, this copper metal layer and should
The volume ratio of silver metal layer is 120:1:1；This copper metal layer adds that the thickness of this silver metal layer is 1.5um；This tin metal layer
Thickness is 90um.
21. slimming protection elements as claimed in claim 1 are it is characterised in that this fusing structure is provided with one is made up of stannum
Tin metal layer, a nickel metal layer being made up of nickel and a copper metal layer being made up of copper；This tin metal layer, this nickel metal layer and should
The volume ratio of copper metal layer is 100:0.5:1 ~ 320:0.5:1；This nickel metal layer add the thickness of this copper metal layer between 0.15 ~
3um；The thickness of this tin metal layer is between 10 ~ 640um.
22. slimming protection elements as claimed in claim 1 are it is characterised in that this fusing structure is provided with one is made up of stannum
Tin metal layer, a nickel metal layer being made up of nickel and a copper metal layer being made up of copper；This tin metal layer, this nickel metal layer and should
The volume ratio of copper metal layer is 200:0.5:1；This nickel metal layer adds that the thickness of this copper metal layer is 0.6um；This tin metal layer
Thickness be 80um.
23. slimming protection elements as claimed in claim 1 are it is characterised in that this fusing structure is provided with one is made up of stannum
Tin metal layer, a silver metal layer being made up of silver and a nickel metal layer being made up of nickel；This tin metal layer, this silver metal layer and should
The volume ratio of nickel metal layer is 50:1:0.5 ~ 220:1:0.5；This silver metal layer add the thickness of this nickel metal layer between 0.15 ~
3um；The thickness of this tin metal layer is between 5 ~ 440um.
24. slimming protection elements as claimed in claim 1 are it is characterised in that this fusing structure is provided with one is made up of stannum
Tin metal layer, a silver metal layer being made up of silver and a nickel metal layer being made up of nickel；This tin metal layer, this silver metal layer and should
The volume ratio of nickel metal layer is 150:1:0.5；This silver metal layer adds that the thickness of this nickel metal layer is 0.6um；This tin metal layer
Thickness be 80um.
25. slimming protection elements as claimed in claim 1 are it is characterised in that this fusing structure is provided with one is made up of stannum
The chromium metal level that tin metal layer, a copper metal layer being made up of copper, a nickel metal layer being made up of nickel and are made up of chromium；This stannum
Metal level, the volume ratio of this copper metal layer, this nickel metal layer and this chromium metal level are 80:1:0.5:0.125 ~ 300:1:0.5:
0.125；This copper metal layer adds that this nickel metal layer adds the thickness of this chromium metal level between 0.1625 ~ 3.25um；This tin metal
The thickness of layer is between 8 ~ 600um.
26. slimming protection elements as claimed in claim 1 are it is characterised in that this fusing structure is provided with one is made up of stannum
The chromium metal level that tin metal layer, a copper metal layer being made up of copper, a nickel metal layer being made up of nickel and are made up of chromium；This stannum
Metal level, the volume ratio of this copper metal layer, this nickel metal layer and this chromium metal level are 120:1:0.5:0.125；This copper metal layer
The thickness adding this chromium metal level plus this nickel metal layer is 06um；The thickness of this tin metal layer is 92um.
Slimming protection element as described in 27. such as claim 4 to 12 any of which is it is characterised in that in the middle of this fusing structure
Respectively this low-melting-point metal layer fusing point between 60 ~ 350 degree Celsius, respectively the fusing point of this high melting point metal layer between Celsius 600 ~
1900 degree.
Slimming protection element as described in 28. such as claim 4 to 12 any of which is it is characterised in that in the middle of this fusing structure
Respectively this low-melting-point metal layer metal be stannum, indium or bismuth one of them；Respectively the metal of this high melting point metal layer be aluminum, silver, copper,
One of nickel, chromium, ferrum, gold, platinum, palladium or titanium.
Slimming protection element as described in 29. such as claim 3 to 26 any of which is it is characterised in that in the middle of this fusing structure
Respectively this metal level molding is built with sputter, evaporation, chemical plating, ion plating, plating or vapour deposition one way in which.
Slimming protection element as described in 30. such as claim 3 to 26 any of which is it is characterised in that in the middle of this fusing structure
Respectively this metal level build rectangular profile.
Slimming protection element as described in 31. such as claim 3 to 26 any of which is it is characterised in that in the middle of this fusing structure
Respectively this metal level build in I-shaped profile.
Slimming protection element as described in 32. such as claim 3 to 26 any of which is it is characterised in that in the middle of this fusing structure
Respectively this metal level build in I-shaped profile.
The 33. slimming protection elements as described in claim 1 to 26 any of which are it is characterised in that this shielding construction is by ring
Oxygen tree fatty oil ink, polystyrene (ps), polyamide (pa), polycarbonate, polyphenylene oxide or rubber one of which materials processing molding.
34. slimming protection elements as described in claim 1 to 26 any of which are it is characterised in that this shielding construction is by applying
Cover, screen painting, spraying, vapour deposition or evaporation one way in which machine-shaping.
The 35. slimming protection elements as described in claim 1 to 26 any of which are it is characterised in that this slimming protection is first
Part, is connected a high-melting-point conductive material between this fusing structure and respectively this electrode respectively.
The 36. slimming protection elements as described in claim 1 to 26 any of which are it is characterised in that this slimming protection is first
Part, is connected a high-melting-point conductive material between this fusing structure and respectively this electrode respectively, and respectively this high-melting-point conductive material is total
Volume is generally equal to the volume of this fusing structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620775176.9U CN205911276U (en) | 2016-07-21 | 2016-07-21 | Slimming protecting component |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620775176.9U CN205911276U (en) | 2016-07-21 | 2016-07-21 | Slimming protecting component |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205911276U true CN205911276U (en) | 2017-01-25 |
Family
ID=57806172
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620775176.9U Active CN205911276U (en) | 2016-07-21 | 2016-07-21 | Slimming protecting component |
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| Country | Link |
|---|---|
| CN (1) | CN205911276U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107644796A (en) * | 2016-07-21 | 2018-01-30 | 东莞华恒电子有限公司 | It is thinned protection element |
| WO2021195871A1 (en) * | 2020-03-30 | 2021-10-07 | 华为技术有限公司 | Embedded substrate, circuit board assembly, and electronic device |
-
2016
- 2016-07-21 CN CN201620775176.9U patent/CN205911276U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107644796A (en) * | 2016-07-21 | 2018-01-30 | 东莞华恒电子有限公司 | It is thinned protection element |
| WO2021195871A1 (en) * | 2020-03-30 | 2021-10-07 | 华为技术有限公司 | Embedded substrate, circuit board assembly, and electronic device |
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| TR01 | Transfer of patent right |
Effective date of registration: 20181210 Address after: Second Phase 202 Third and Fourth Layers of New Wealth Environmental Protection Electroplating Base, Yamen Town, Xinhui District, Jiangmen City, Guangdong Province Patentee after: JIANGMEN JUNWEI ELECTRONIC TECHNOLOGY CO.,LTD. Address before: 523703 No. 6 Yantian Shuibu Road, Fenggang Town, Dongguan City, Guangdong Province Co-patentee before: He Changwei Patentee before: DONGGUAN HUAHENG ELECTRONICS Co.,Ltd. |
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| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 529000 floor 3 and 4, block 202, phase 2, new fortune environmental protection electroplating base, yamen Town, Xinhui District, Jiangmen City, Guangdong Province Patentee after: Junwei Electronic Technology Co.,Ltd. Country or region after: China Address before: 529000 floor 3 and 4, block 202, phase 2, new fortune environmental protection electroplating base, yamen Town, Xinhui District, Jiangmen City, Guangdong Province Patentee before: JIANGMEN JUNWEI ELECTRONIC TECHNOLOGY CO.,LTD. Country or region before: China |