CN110660543A - Resistance of anti sulfidation corrosion - Google Patents
Resistance of anti sulfidation corrosion Download PDFInfo
- Publication number
- CN110660543A CN110660543A CN201910972408.8A CN201910972408A CN110660543A CN 110660543 A CN110660543 A CN 110660543A CN 201910972408 A CN201910972408 A CN 201910972408A CN 110660543 A CN110660543 A CN 110660543A
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- China
- Prior art keywords
- protective layer
- epoxy resin
- layer
- corrosion resistant
- printing layer
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01C—RESISTORS
- H01C7/00—Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01C—RESISTORS
- H01C1/00—Details
- H01C1/02—Housing; Enclosing; Embedding; Filling the housing or enclosure
- H01C1/032—Housing; Enclosing; Embedding; Filling the housing or enclosure plural layers surrounding the resistive element
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01C—RESISTORS
- H01C1/00—Details
- H01C1/02—Housing; Enclosing; Embedding; Filling the housing or enclosure
- H01C1/034—Housing; Enclosing; Embedding; Filling the housing or enclosure the housing or enclosure being formed as coating or mould without outer sheath
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Non-Metallic Protective Coatings For Printed Circuits (AREA)
- Details Of Resistors (AREA)
- Printing Plates And Materials Therefor (AREA)
Abstract
The invention discloses a resistance of anti-sulfuration corrosion, which comprises a substrate, a front conductor printing layer arranged on the upper surface of the substrate, a back conductor printing layer arranged on the lower surface of the substrate, a resistor printing layer arranged at the center of the upper surface of the substrate, a glass protective layer arranged on the resistor printing layer, a laser resistance trimming area arranged at the center of the resistor printing layer and an electroplating protective layer wrapped on the outer side of the substrate, and is characterized in that: the resistor printing layer is provided with a second epoxy resin protective layer on the surface, the glass protective layer is provided with a first epoxy resin protective layer on the upper surface, and the front conductor printing layer is provided with an anti-vulcanization corrosion protective layer on the upper surface. The resistor is suitable for resistors, and has extremely strong corrosion resistance and long service life.
Description
Technical Field
The invention belongs to the technical field of resistors, and particularly relates to a resistance for resisting sulfidation corrosion.
Background
When electric charges move in the conductor, the electric charges are collided and rubbed by other particles such as molecules and atoms, and the collision and the rubbing result to form the obstruction of the conductor to the current, the most obvious characteristic of the obstruction is that the conductor consumes electric energy to generate heat (or emit light), and the obstruction of the object to the current is called as the resistance of the object;
however, in the use process of the existing resistor, external gas is easy to permeate into the resistor and corrode each internal element of the resistor, so that the service life of the resistor is short, and particularly when the resistor is used in a sulfur gas-containing environment, the resistor needs to be frequently replaced due to extremely strong corrosion capability of the sulfur gas, and time and cost are wasted.
Disclosure of Invention
The invention aims to solve the problems in the background art and provide a resistance capable of resisting sulfuration corrosion.
The technical scheme adopted by the invention is as follows:
the utility model provides a resistance of anti vulcanization corrosion, includes the base plate, set up in the front conductor printing layer of base plate upper surface, set up in the back conductor printing layer of base plate lower surface, set up in the resistor body printing layer of base plate upper surface center department, set up the glass protective layer on the resistor body printing layer, set up in radium-shine resistance trimming area and the parcel in the resistor body printing layer center department the electroplating protective layer in the base plate outside which characterized in that: the resistor body printing layer is provided with a first epoxy resin protective layer on the surface, and the front conductor printing layer is provided with a second epoxy resin protective layer on the surface.
Wherein the second epoxy resin protective layer is coated on the outer surface of the resistor printing layer in a closed manner.
And the side surface of the vulcanization corrosion resistant protective layer is attached to the first epoxy resin protective layer, the second epoxy resin protective layer and the glass protective layer.
Wherein the front conductor printed layer is covered by the sulfidation corrosion resistant protective layer.
The first epoxy resin protective layer is of a T-shaped structure, the thickness of the horizontal end of the first epoxy resin protective layer is larger than that of the electroplating protective layer, and the lower surface of the horizontal end of the first epoxy resin protective layer and the upper surface of the vulcanization corrosion resistant protective layer are located on the same horizontal plane.
The second epoxy resin protective layer is of a T-shaped structure, and the horizontal end of the second epoxy resin protective layer is embedded in the vulcanization corrosion resistant protective layer.
The anti-sulfuration corrosion protection layer is an emulsion formed by mixing and emulsifying carbon powder, copper powder, silver powder and latex.
In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:
according to the invention, the front conductor printing layer is effectively isolated by covering the upper surface of the front conductor printing layer with the vulcanization corrosion resistant protective layer, so that the front conductor printing layer is prevented from being corroded due to the permeation of external vulcanization gas, and the service life of the resistor is greatly prolonged; meanwhile, a second epoxy resin protective layer and a first epoxy resin protective layer are respectively arranged between the glass protective layer and the resistor printing layer and on the upper surface of the glass protective layer, wherein the second epoxy resin protective layer can effectively isolate the resistor printing layer to prevent the resistor printing layer from being corroded by vulcanized gas, and the first epoxy resin protective layer can intensively isolate the interior of the resistor, so that a secondary sealing effect is provided, and the corrosion resistance of the resistor is further improved;
according to the invention, the first epoxy resin protective layer and the second epoxy resin protective layer both adopt T-shaped structures, and can form a mutually embedded and riveted state with the anti-vulcanization corrosion protective layer, so that no gap exists among the first epoxy resin protective layer, the second epoxy resin protective layer and the anti-vulcanization corrosion protective layer, and thus, external gas can not enter the interior of the resistor, thereby improving the corrosion resistance of the resistor.
Drawings
FIG. 1 is a schematic diagram of the present invention.
The labels in the figure are: 1. a back conductor printed layer; 2. a substrate; 3. electroplating a protective layer; 4. a front conductor printing layer; 5. a sulfidation corrosion resistant protective layer; 6. a first epoxy resin protective layer; 7. a glass protective layer; 8. laser resistance trimming area; 9. a resistor body printing layer; 10. a second epoxy resin protective layer.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1, the sulfuration corrosion resistant resistor comprises a substrate 2, a front conductor printing layer 4 arranged on the upper surface of the substrate 2, a back conductor printing layer 1 arranged on the lower surface of the substrate 2, a resistor printing layer 9 arranged at the center of the upper surface of the substrate 2, a glass protection layer 7 arranged on the resistor printing layer 9, a laser trimming area 8 arranged at the center of the resistor printing layer 9 and an electroplating protection layer 3 wrapped on the outer side of the substrate 2, wherein a second epoxy resin protection layer 10 is arranged on the surface of the resistor printing layer 9, a first epoxy resin protection layer 6 is arranged on the upper surface of the glass protection layer 7, a sulfuration corrosion resistant protection layer 5 is arranged on the upper surface of the front conductor printing layer 4, the second epoxy resin protection layer 10 is closely wrapped on the outer surface of the resistor printing layer 9, the side surface of the, And the second epoxy resin protective layer 10 and the glass protective layer 7 are attached, the front conductor printing layer 4 is covered by the vulcanization corrosion resistant protective layer 5, and the vulcanization corrosion resistant protective layer 5 is an emulsion obtained by mixing and emulsifying carbon powder, copper powder, silver powder and latex.
By adopting the technical scheme:
according to the invention, the upper surface of the front conductor printing layer 4 is covered with the anti-vulcanization corrosion protective layer 5, and the front conductor printing layer 4 can be effectively isolated through the anti-vulcanization corrosion protective layer 5, so that the front conductor printing layer 4 is prevented from being corroded due to the permeation of external vulcanization gas, and the service life of the resistor is greatly prolonged; meanwhile, the second epoxy resin protective layer 10 and the first epoxy resin protective layer 6 are respectively arranged between the glass protective layer 7 and the resistor printing layer 9 and on the upper surface of the glass protective layer 7, wherein the second epoxy resin protective layer 10 can effectively isolate the resistor printing layer 9 to prevent the resistor printing layer from being corroded by vulcanized gas, and the first epoxy resin protective layer 6 can intensively isolate the interior of the resistor, so that a secondary sealing effect is provided, and the corrosion resistance of the resistor is further improved.
The first epoxy resin protective layer 6 adopts a T-shaped structure, the thickness of the horizontal end of the first epoxy resin protective layer 6 is larger than that of the electroplating protective layer 3, the lower surface of the horizontal end of the first epoxy resin protective layer 6 and the upper surface of the anti-vulcanization corrosion protective layer 5 are positioned on the same horizontal plane, the second epoxy resin protective layer 10 adopts a T-shaped structure, and the horizontal end of the second epoxy resin protective layer 10 is embedded in the anti-vulcanization corrosion protective layer 5.
By adopting the technical scheme:
because first epoxy protective layer 6 and second epoxy protective layer 10 all adopt T type structure, it can with anti sulfidization corrosion protection layer 5 between form a state of embedding each other, riveting for can not have the gap between first epoxy protective layer 6, second epoxy protective layer 10 and the anti sulfidization corrosion protection layer 5, outside gas can' T get into the resistance inside like this, thereby promote the anticorrosive performance of resistance.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (7)
1. The utility model provides a resistance of anti sulfidation corrosion, includes base plate (2), set up in positive conductor printing layer (4) of base plate (2) upper surface, set up in back conductor printing layer (1) of base plate (2) lower surface, set up in resistive element printing layer (9) of base plate (2) upper surface center department, set up in glass protective layer (7) on resistive element printing layer (9), set up in radium-shine repair that resistive element printing layer (9) center department hinders district (8) and parcel in electroplating protective layer (3) in the base plate (2) outside, its characterized in that: a second epoxy resin protective layer (10) is arranged on the surface of the resistor printing layer (9), a first epoxy resin protective layer (6) is arranged on the upper surface of the glass protective layer (7), and a vulcanization corrosion resistant protective layer (5) is arranged on the upper surface of the front conductor printing layer (4).
2. A sulfidation corrosion resistant electrical resistance according to claim 1, wherein: the second epoxy resin protective layer (10) is coated on the outer surface of the resistor print layer (9) in a closed manner.
3. A sulfidation corrosion resistant electrical resistance according to claim 1, wherein: and the side surface of the vulcanization corrosion resistant protective layer (5) is attached to the first epoxy resin protective layer (6), the second epoxy resin protective layer (10) and the glass protective layer (7).
4. A sulfidation corrosion resistant electrical resistance according to claim 1, wherein: the front conductor printing layer (4) is covered by the vulcanization corrosion resistant protective layer (5).
5. A sulfidation corrosion resistant electrical resistance according to claim 1, wherein: the first epoxy resin protective layer (6) is of a T-shaped structure, the thickness of the horizontal end of the first epoxy resin protective layer (6) is larger than that of the electroplating protective layer (3), and the lower surface of the horizontal end of the first epoxy resin protective layer (6) and the upper surface of the vulcanization corrosion resistant protective layer (5) are located on the same horizontal plane.
6. A sulfidation corrosion resistant electrical resistance according to claim 1, wherein: the second epoxy resin protective layer (10) adopts a T-shaped structure, and the horizontal end of the second epoxy resin protective layer (10) is embedded in the vulcanization corrosion resistant protective layer (5).
7. A sulfidation corrosion resistant electrical resistance according to claim 1, wherein: the anti-sulfuration corrosion protection layer (5) is an emulsion formed by mixing and emulsifying carbon powder, copper powder, silver powder and latex.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910972408.8A CN110660543B (en) | 2019-10-14 | 2019-10-14 | Resistance of anti sulfidation corrosion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910972408.8A CN110660543B (en) | 2019-10-14 | 2019-10-14 | Resistance of anti sulfidation corrosion |
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| Publication Number | Publication Date |
|---|---|
| CN110660543A true CN110660543A (en) | 2020-01-07 |
| CN110660543B CN110660543B (en) | 2021-09-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910972408.8A Active CN110660543B (en) | 2019-10-14 | 2019-10-14 | Resistance of anti sulfidation corrosion |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113837341A (en) * | 2021-09-01 | 2021-12-24 | 中钞印制技术研究院有限公司 | Anti-counterfeiting element, preparation method and detection method thereof and anti-counterfeiting article |
Citations (5)
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|---|---|---|---|---|
| CN101840760A (en) * | 2009-03-16 | 2010-09-22 | 国巨股份有限公司 | Chip resistor and manufacturing method thereof |
| CN103165250A (en) * | 2013-04-09 | 2013-06-19 | 昆山厚声电子工业有限公司 | Thick-film anti-vulcanization paster resistor and manufacturing method thereof |
| CN105913986A (en) * | 2015-02-19 | 2016-08-31 | 罗姆股份有限公司 | Chip resistor and method for manufacturing the same |
| CN108470613A (en) * | 2018-05-17 | 2018-08-31 | 丽智电子（南通）有限公司 | A kind of automobile sulfuration resistant thick film Chip-R and its manufacturing method |
| CN209249221U (en) * | 2019-01-11 | 2019-08-13 | 江西昶龙科技有限公司 | A kind of sulfuration resistant thick film Chip-R |
-
2019
- 2019-10-14 CN CN201910972408.8A patent/CN110660543B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101840760A (en) * | 2009-03-16 | 2010-09-22 | 国巨股份有限公司 | Chip resistor and manufacturing method thereof |
| CN103165250A (en) * | 2013-04-09 | 2013-06-19 | 昆山厚声电子工业有限公司 | Thick-film anti-vulcanization paster resistor and manufacturing method thereof |
| CN105913986A (en) * | 2015-02-19 | 2016-08-31 | 罗姆股份有限公司 | Chip resistor and method for manufacturing the same |
| CN108470613A (en) * | 2018-05-17 | 2018-08-31 | 丽智电子（南通）有限公司 | A kind of automobile sulfuration resistant thick film Chip-R and its manufacturing method |
| CN209249221U (en) * | 2019-01-11 | 2019-08-13 | 江西昶龙科技有限公司 | A kind of sulfuration resistant thick film Chip-R |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113837341A (en) * | 2021-09-01 | 2021-12-24 | 中钞印制技术研究院有限公司 | Anti-counterfeiting element, preparation method and detection method thereof and anti-counterfeiting article |
| CN113837341B (en) * | 2021-09-01 | 2024-01-23 | 中钞印制技术研究院有限公司 | Anti-counterfeiting element, preparation method thereof, detection method and anti-counterfeiting article |
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| CN110660543B (en) | 2021-09-24 |
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Denomination of invention: A resistor that resists sulfidation corrosion Effective date of registration: 20220829 Granted publication date: 20210924 Pledgee: Yingshang sub branch of China Construction Bank Co.,Ltd. Pledgor: ANHUI XIANGSHENG TECHNOLOGY Co.,Ltd. Registration number: Y2022340000027 |