CN105244130B - A kind of production method of superminiature alloy fled rheostat - Google Patents
A kind of production method of superminiature alloy fled rheostat Download PDFInfo
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- CN105244130B CN105244130B CN201510735350.7A CN201510735350A CN105244130B CN 105244130 B CN105244130 B CN 105244130B CN 201510735350 A CN201510735350 A CN 201510735350A CN 105244130 B CN105244130 B CN 105244130B
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Abstract
The present invention relates to electronic passive device technical fields, refer in particular to a kind of production method of superminiature alloy fled rheostat；By sheet alloy through coating anti-plating insulating protective layer, the anti-plating insulating protective layer of part removal, plated conductive polar region domain, high-accuracy slitting, resistance trimming and high-accuracy gradation and etc. and complete the making of superminiature alloy fled rheostat；Wherein high-accuracy slitting and gradation are carried out according to the preset program of computer, and not only precision is high, and can arbitrarily be cut by preset figure, are well suited for the production of different graphic small lot；Relatively traditional mould punching mode, it is good without advance molding, consistency, effectively improve yield of the utilization rate of raw materials of superminiature high alloy resistor, resistance value precision, product etc., it is simple for production, low energy consumption meets the needs of large-scale production.
Description
Technical field
The present invention relates to electronic passive device technical fields, refer in particular to a kind of making side of superminiature alloy fled rheostat
Method.
Background technology
Resistance alloys is also known as current sense resistor, current sensing resistor, alloy sample resistance or electric current inductive reactance,
With characteristics such as resistance value accurate, Low Drift Temperature, high heat conduction, high temperature resistants.As hybrid circuit is to miniaturization, lightweight, high reliability
The direction of change is developed, and the surface mount or even micromation to resistance alloys propose higher requirement.
Present surface-pasted alloy fled rheostat generally carries out punching press or punch die using to sheet alloy predetermined shape, then
Protection encapsulation is carried out using different production technologies.The cooked mode of this punching press or punch die has following 4 drawbacks：1st, alloy
The utilization rate of plank is not high；2nd, mechanical shock can cause the part of sheet alloy the residual of deformation or mechanical stress；3rd, with
The abrasion of stamping die, the consistency that can cause the size of alloy fled rheostat are poor；4th, the limitation of ultraminiaturization.
Invention content
The present invention provides a kind of production method of superminiature alloy fled rheostat for problem of the prior art, without punching press and
Complicated sealing technique effectively improves the yield of the utilization rate of raw materials of superminiature high alloy resistor, resistance value precision, product
Deng simple for production, low energy consumption meets the needs of large-scale production.
In order to solve the above-mentioned technical problem, the present invention adopts the following technical scheme that：
A kind of production method of superminiature alloy fled rheostat, includes the following steps：
Step 1 is coated with anti-plating insulating protective layer in the surrounding of sheet alloy；
Step 2, the default region as conductive electrode on sheet alloy, the anti-plating insulating protective layer for removing the region are sudden and violent
Expose sheet alloy；
Step 3, the conductive material on the electroplating surface of the sheet alloy exposed；
Step 4, the surface marking cutting line in sheet alloy carry out high-accuracy point using cutting equipment to sheet alloy
Item, and it is divided into end to end alloy fled rheostat item；
Step 5 carries out resistance trimming using laser resistance adjuster to alloy resistor strip；
Step 6 carries out high-accuracy gradation using cutting equipment to the alloy fled rheostat item after resistance trimming, forms superminiature
Alloy fled rheostat monomer.
Wherein, the sheet alloy is in precise slitting and gradation, by digital control approach according to the preset journey of computer
Sequence carries out accurate segmentation.
Wherein, before step 1 is carried out, a kind of sheet alloy is selected according to requirement of the final use to electrical property, it is described
Product electrical property Primary Reference resistance value R, power P and TCR temperatures coefficient.
Wherein, the anti-plating insulating protective layer described in step 1 be organic resin insulating layer, the painting of organic resin insulating layer
Thickness is smeared as 0.01mm~0.2mm.
Wherein, the conductive material described in step 3 is copper Cu, gold Au, silver Ag, nickel or tin Sn.
Beneficial effects of the present invention：
The present invention provides a kind of production method of superminiature alloy fled rheostat, by sheet alloy by coating anti-galvanic insulation
Protective layer, the anti-plating insulating protective layer of part removal, plated conductive polar region domain, high-accuracy slitting, resistance trimming and high-accuracy point
Grain and etc. and complete the making of superminiature alloy fled rheostat；Wherein high-accuracy slitting and gradation are according to the preset program of computer
It carries out, not only precision is high, and can arbitrarily be cut by preset figure, is well suited for the production of different graphic small lot；Phase
It is good without advance molding, consistency to traditional mould punching mode, effectively improve the raw material of superminiature high alloy resistor
Utilization rate, resistance value precision, product yield etc., it is simple for production, low energy consumption meets the needs of large-scale production.
Description of the drawings
Fig. 1 is a kind of flow chart of the production method of superminiature alloy fled rheostat of the present invention.
Specific embodiment
For the ease of the understanding of those skilled in the art, the present invention is made further with reference to embodiment and attached drawing
Bright, the content that embodiment refers to not is limitation of the invention.The present invention is described in detail below in conjunction with attached drawing.
A kind of production method of superminiature alloy fled rheostat provided by the invention, before concrete technology production is carried out, according to
A kind of requirement selection sheet alloy of the final use to electrical property, such as the alloy materials such as nickel, chromium, manganese, aluminium or copper are flat
Sheet body or strip material；The product electrical property Primary Reference resistance value R, power P and TCR temperatures coefficient.As 1m Ω, 1/16W,
75PPM/ DEG C etc.；It specifically includes following steps：
Step 1 is coated with anti-plating insulating protective layer in the surrounding of sheet alloy；The specific wherein described anti-plating
Insulating protective layer is organic resin insulating layer, and the smearing thickness of organic resin insulating layer is 0.01mm~0.2mm.The organic resin
Insulating layer has preferable wear-resisting property and corrosion resistance, the surrounding of sheet alloy can be protected well, after coated protection
Surface it is flat, uniform, no print process has the shortcomings that directionality.
Step 2, the default region as conductive electrode on sheet alloy, the anti-plating insulating protective layer for removing the region are sudden and violent
Expose sheet alloy.
Step 3, the conductive material on the electroplating surface of the sheet alloy exposed, it is variable according to different conductive demands
Change the different conductive material of plating, the conductive material can be copper Cu, gold Au, silver Ag, nickel or tin Sn.
Step 4, the surface marking cutting line in sheet alloy carry out high-accuracy point using cutting equipment to sheet alloy
Item, and it is divided into end to end alloy fled rheostat item.The cutting equipment is that can connect computer to carry out numerical control operating
Cutting equipment, such as laser cutting machine, institute's cutting track are carried out according to the preset program of computer, and cutting accuracy can reach
0.01mm hereinafter, can meet the needs of cutting resistance alloys completely.And can arbitrarily be cut by preset figure, very
It is suitble to the production of different graphic small lot；It is good without advance molding, consistency.
Step 5 carries out resistance trimming using laser resistance adjuster to alloy resistor strip.Resistance value has very big with appearance and size
Relationship, the piece that alloy fled rheostat is accurately adjusted by laser resistor trimming function hinder, resistance value accuracy higher.
Step 6 carries out high-accuracy gradation using cutting equipment to the alloy fled rheostat item after resistance trimming, forms superminiature
Alloy fled rheostat monomer.In the present invention, the superminiature refers to appearance and size in below 1mm*0.5mm.
Alloy fled rheostat is produced by mould punching mode in traditional handicraft, needs the mold of pre-production punching press；It is and every
The mold of secondary making more or less all can be there are certain size deviation, and mold is easy to wear, and gold plaque production is easily aligned during punching press
The raw hidden danger such as edge stress and micro-crack.Small lot is customized, then can the production cycle is long, disadvantage of high cost, can not meet
The needs of client.
In the present invention, by sheet alloy by coating anti-plating insulating protective layer, the anti-plating insulation protection of part removal
Layer, plated conductive polar region domain, high-accuracy slitting, resistance trimming and high-accuracy gradation and etc. and complete superminiature alloy fled rheostat
Making；Wherein high-accuracy slitting and gradation are carried out according to the preset program of computer, and not only precision is high, and can be by advance
The figure of setting is arbitrarily cut, and is well suited for the production of different graphic small lot；Relatively traditional mould punching mode, without making in advance
Mould, consistency are good, effectively improve the yield of the utilization rate of raw materials of superminiature high alloy resistor, resistance value precision, product
Deng simple for production, low energy consumption meets the needs of large-scale production.
The above is only present pre-ferred embodiments, not makees limitation in any form to the present invention, although
The present invention is disclosed as above with preferred embodiment, however is not limited to the present invention, any person skilled in the art,
It does not depart from the range of technical solution of the present invention, when the technology contents using the disclosure above make a little change or are modified to equivalent change
The equivalent embodiment of change, as long as being without departing from technical solution of the present invention content, technology refers to above example according to the present invention
Any simple modification, equivalent change and modification made, belongs in the range of technical solution of the present invention.
Claims (3)
1. a kind of production method of superminiature alloy fled rheostat, which is characterized in that include the following steps：
Step 1 is coated with anti-plating insulating protective layer in the surrounding of sheet alloy；
Step 2, the default region as conductive electrode on sheet alloy, the anti-plating insulating protective layer for removing the region expose
Sheet alloy；
Step 3, the conductive material on the electroplating surface of the sheet alloy exposed；
Step 4, the surface marking cutting line in sheet alloy carry out high-accuracy slitting using cutting equipment to sheet alloy, and
It is divided into end to end alloy fled rheostat item；
Step 5 carries out resistance trimming using laser resistance adjuster to alloy resistor strip；
Step 6 carries out high-accuracy gradation using cutting equipment to the alloy fled rheostat item after resistance trimming, forms superminiature alloy
Resistor monomer；
Anti- plating insulating protective layer described in step 1 is organic resin insulating layer, and the smearing thickness of organic resin insulating layer is
0.01mm~0.2mm.
2. a kind of production method of superminiature alloy fled rheostat according to claim 1, it is characterised in that：The alloy sheets
Material carries out accurate segmentation in precise slitting and gradation, by digital control approach according to the preset program of computer.
3. a kind of production method of superminiature alloy fled rheostat according to claim 1, it is characterised in that：Institute in step 3
The conductive material stated is copper Cu, gold Au, silver Ag, nickel or tin Sn.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510735350.7A CN105244130B (en) | 2015-11-03 | 2015-11-03 | A kind of production method of superminiature alloy fled rheostat |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510735350.7A CN105244130B (en) | 2015-11-03 | 2015-11-03 | A kind of production method of superminiature alloy fled rheostat |
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| CN105244130A CN105244130A (en) | 2016-01-13 |
| CN105244130B true CN105244130B (en) | 2018-06-29 |
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| CN109494037A (en) * | 2018-11-19 | 2019-03-19 | 深圳市业展电子有限公司 | A kind of efficient resistance trimming technique of high-precision low resistance alloy Chip-R |
| CN116313342A (en) * | 2023-01-10 | 2023-06-23 | 普森美微电子技术(苏州)有限公司 | Local plastic-packaged antioxidant high-power alloy resistor and preparation method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101034606A (en) * | 2007-02-14 | 2007-09-12 | 光颉科技股份有限公司 | Making method for current induction wafer resistor |
| CN101118794A (en) * | 2006-07-31 | 2008-02-06 | 信昌电子陶瓷股份有限公司 | Manufacture process of high precision alloy fled rheostat |
| CN101593589A (en) * | 2009-04-30 | 2009-12-02 | 中国振华集团云科电子有限公司 | The manufacture method of JANS plate type thick film resistor |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0661008A (en) * | 1991-12-02 | 1994-03-04 | Murata Mfg Co Ltd | Manufacture of thermistor element |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101118794A (en) * | 2006-07-31 | 2008-02-06 | 信昌电子陶瓷股份有限公司 | Manufacture process of high precision alloy fled rheostat |
| CN101034606A (en) * | 2007-02-14 | 2007-09-12 | 光颉科技股份有限公司 | Making method for current induction wafer resistor |
| CN101593589A (en) * | 2009-04-30 | 2009-12-02 | 中国振华集团云科电子有限公司 | The manufacture method of JANS plate type thick film resistor |
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