CN106169077A - Low resistance mobile fingerprint identification key case ring and manufacturing process - Google Patents
Low resistance mobile fingerprint identification key case ring and manufacturing process Download PDFInfo
- Publication number
- CN106169077A CN106169077A CN201610696185.3A CN201610696185A CN106169077A CN 106169077 A CN106169077 A CN 106169077A CN 201610696185 A CN201610696185 A CN 201610696185A CN 106169077 A CN106169077 A CN 106169077A
- Authority
- CN
- China
- Prior art keywords
- case ring
- low resistance
- identification key
- fingerprint identification
- body weight
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 26
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical group [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims abstract description 35
- 229910052804 chromium Inorganic materials 0.000 claims abstract description 35
- 239000011651 chromium Substances 0.000 claims abstract description 35
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims abstract description 34
- 239000010936 titanium Substances 0.000 claims abstract description 34
- 229910052719 titanium Inorganic materials 0.000 claims abstract description 34
- 238000007747 plating Methods 0.000 claims abstract description 32
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 28
- 229910002804 graphite Inorganic materials 0.000 claims abstract description 28
- 239000010439 graphite Substances 0.000 claims abstract description 28
- 239000011159 matrix material Substances 0.000 claims abstract description 24
- 239000000956 alloy Substances 0.000 claims abstract description 16
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 16
- 239000012528 membrane Substances 0.000 claims abstract description 12
- 229910052751 metal Inorganic materials 0.000 claims abstract description 10
- 239000002184 metal Substances 0.000 claims abstract description 10
- 238000000034 method Methods 0.000 claims abstract description 9
- 230000037396 body weight Effects 0.000 claims description 42
- 238000009713 electroplating Methods 0.000 claims description 6
- 239000004033 plastic Substances 0.000 claims description 4
- 229920003023 plastic Polymers 0.000 claims description 4
- 230000001815 facial effect Effects 0.000 claims description 3
- 239000004575 stone Substances 0.000 claims 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 4
- 230000035945 sensitivity Effects 0.000 description 3
- 238000005034 decoration Methods 0.000 description 2
- 229910052759 nickel Inorganic materials 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
- G06V40/10—Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
- G06V40/12—Fingerprints or palmprints
- G06V40/13—Sensors therefor
- G06V40/1306—Sensors therefor non-optical, e.g. ultrasonic or capacitive sensing
Abstract
The present invention relates to metal parts processing technique field, be specifically related to a kind of low resistance mobile fingerprint identification key case ring and manufacturing process.This kind of low resistance mobile fingerprint identification key case ring, including fingerprint case ring matrix, fingerprint case ring matrix being electroplate with basal membrane layer, middle film layer and face mask layer, basal membrane layer is chromium plating or titanium, middle film layer is chromium plating, titanium and graphite alloy, and face mask layer is chromium plating, titanium and graphite alloy.High at a low resistance mobile fingerprint identification key case ring of just risking one's life, resistance can be reduced, original resistance is reduced to below 10 Europe by 200 Europe, user is when touching fingerprint recognition key, case ring can reduce electrostatic on hand, reduce the interference that handset identity key receives, improve the precision that fingerprint controls, promote the use impression of user；The manufacturing process of this kind of mobile fingerprint identification key case ring is simple, and production cost is low, is conducive to large-scale popularization and use, has positive economic benefit.
Description
Technical field
The present invention relates to metal parts processing technique field, be specifically related to a kind of low resistance mobile fingerprint identification key decoration
Circle and manufacturing process.
Background technology
Along with popularizing of smart mobile phone, the demand two of mobile phone decoration metal works is also continuously increased.Existing mobile phone is decorated
Metal works requires that light weight, thickness are thin, and therefore processing technique is complicated, such as the invention of Application No. CN2015106998948.3
Patent application discloses the processing technique of a kind of metal finishing workpiece, uses and makes blank, polish bottom surface, nickel plating, finishing
The techniques such as work front, polishing, plated film, deoxidation film complete the processing of metal finishing workpiece.
The existing nickel plating to metal ornamental ring surface, primarily to the attractive in appearance and main button of mobile phone is not worn, and with
The development of science and technology, existing mobile phone generally collects and has fingerprint recognition key, the sensitivity of fingerprint recognition button is to determine consumption
One key factor of person's Consumer's Experience, but promote sensitivity by upgrading fingerprint recognition key and necessarily cause the increasing of production cost
Subtract, reduce the competitiveness of mobile phone, improve the most by other means fingerprint sensitivity not only can the Consumer's Experience of mobile phone, Er Qieneng
Mobile phone competitiveness of refreshing oneself is the problem that mobile phone manufacturing enterprise continues to solve.
Summary of the invention
In order to overcome the deficiencies in the prior art, the invention provides a kind of low resistance mobile fingerprint identification key case ring and
Manufacturing process.
For achieving the above object, low resistance mobile fingerprint identification key case ring, including fingerprint case ring matrix, its feature exists
In: being electroplate with basal membrane layer, middle film layer and face mask layer on described fingerprint case ring matrix, basal membrane layer is chromium plating or titanium；Intermediate coat
Layer is chromium plating, titanium and graphite alloy, and wherein chromium accounts for the 30-40% of body weight, titanium accounts for the 20-30% of body weight, graphite accounts for
The 25-35% of body weight；Face mask layer is chromium plating, titanium and graphite alloy, and wherein chromium accounts for the 20-30% of body weight, titanium accounts for master
The 15-25% of body weight, graphite account for the 50-60% of body weight.
Optimizing, fingerprint case ring matrix uses metal to make.
Optimizing, fingerprint case ring matrix is adopted made of plastic.
Optimizing, middle film layer is chromium plating, titanium and graphite alloy, and wherein chromium accounts for the 40% of body weight, titanium accounts for main body weight
The 30% of amount, graphite accounts for the 30% of body weight.
Optimizing, face mask layer is chromium plating, titanium and graphite alloy, and wherein chromium accounts for the 20% of body weight, titanium accounts for body weight
20%, graphite account for the 60% of body weight.
The manufacturing process of a kind of low resistance mobile fingerprint identification key case ring, it is characterised in that manufacture above-mentioned low resistance
Mobile fingerprint identification key case ring, specifically comprises the following steps that
Step 1, makes fingerprint case ring matrix；
Step 2, puts into vacuum chamber, evacuation by fingerprint case ring matrix, and vacuum is maintained at 6-3Pa；
Step 3, utilizes vaporation-type electroplating technology, powers at case ring matrix successively and plate counterdie, intermediate coat and facial film.
Further, the plating bottom section time is 3-8 minute.
Further, the time of plating middle film layer is 35-40 minute, and pressure is 3-5Pa.
Further, the time of plating face mask layer is 15-20 minute, and pressure is 3-5Pa.
Further, basal membrane layer, middle film layer and face mask layer are electroplated in an electroplating process successively.
From the above-mentioned description of this invention, the low resistance mobile fingerprint identification key case ring that the present invention provides, can drop
Low resistance, is reduced to below 10 Europe by original resistance by 200 Europe, and user is when touching fingerprint recognition key, and case ring can subtract
Few electrostatic on hand, reduces the interference that handset identity key receives, and improves the precision that fingerprint controls, and promotes the use impression of user；
The manufacturing process of this kind of mobile fingerprint identification key case ring is simple, and production cost is low, is conducive to large-scale popularization and use, tool
There is positive economic benefit.
Accompanying drawing explanation
Fig. 1 is the concrete body embodiment low resistance mobile fingerprint identification key case ring schematic cross-section of the present invention.
Detailed description of the invention
For ease of the understanding of those skilled in the art, below by way of detailed description of the invention, the present invention is made the most in detail
Describe.
Low resistance mobile fingerprint identification key case ring, including fingerprint case ring matrix, described fingerprint case ring matrix powers on
It is coated with basal membrane layer, middle film layer and face mask layer,
Fingerprint case ring matrix uses plastics or metal to make；
Basal membrane layer is chromium plating or titanium；
Middle film layer is chromium plating, titanium and graphite alloy, and wherein chromium accounts for the 30-40% of body weight, titanium accounts for body weight
20-30%, graphite account for the 25-35% of body weight；
Face mask layer is chromium plating, titanium and graphite alloy, and wherein chromium accounts for the 20-30% of body weight, titanium accounts for the 15-of body weight
25%, graphite accounts for the 50-60% of body weight.
Specific embodiment one:
Fingerprint case ring matrix uses rustless steel to make；
Basal membrane layer is chromium plating；
Middle film layer is chromium plating, titanium and graphite alloy, and wherein chromium accounts for the 40% of body weight, titanium accounts for body weight
30%, graphite accounts for the 30% of body weight；
Face mask layer is chromium plating, titanium and graphite alloy, wherein chromium account for the 20% of body weight, titanium account for body weight 20%,
Graphite accounts for the 60% of body weight.:
Specific embodiment two:
Fingerprint case ring matrix is adopted made of plastic；
Basal membrane layer is titanizing；
Middle film layer is chromium plating, titanium and graphite alloy, and wherein chromium accounts for the 35% of body weight, titanium accounts for body weight
30%, graphite accounts for the 35% of body weight；
Face mask layer is chromium plating, titanium and graphite alloy, wherein chromium account for the 30% of body weight, titanium account for body weight 20%,
Graphite accounts for the 50% of body weight.
The manufacturing process of a kind of low resistance mobile fingerprint identification key case ring, it is characterised in that manufacture above-mentioned low resistance
Mobile fingerprint identification key case ring, specifically comprises the following steps that
Step 1, makes fingerprint case ring matrix；
Step 2, puts into vacuum chamber, evacuation by fingerprint case ring matrix, and vacuum is maintained at 6-3Pa；
Step 3, utilizes vaporation-type electroplating technology, powers at case ring matrix successively and plate counterdie, intermediate coat and facial film, the end
Film layer, middle film layer and face mask layer are electroplated in an electroplating process successively；
The plating bottom section time is 3-8 minute；
The time of plating middle film layer is 35-40 minute, and pressure is 3-5Pa；
The time of plating face mask layer is 15-20 minute, and pressure is 3-5Pa.
The low resistance mobile fingerprint identification key case ring that the present invention provides, can reduce resistance, by original resistance by 200 Europe
Being reduced to below 10 Europe, user is when touching fingerprint recognition key, and case ring can reduce electrostatic on hand, reduces handset identity key
The interference received, improves the precision that fingerprint controls, and promotes the use impression of user；The system of this kind of mobile fingerprint identification key case ring
Making technique simple, production cost is low, is conducive to large-scale popularization and use, has positive economic benefit.
Above are only a specific embodiment of the present invention, but the design concept of the present invention is not limited thereto, all profits
With this design, the present invention is carried out the change of unsubstantiality, the behavior invading scope all should be belonged to.
Claims (10)
1. low resistance mobile fingerprint identification key case ring, including fingerprint case ring matrix, it is characterised in that: described fingerprint case ring
Basal membrane layer, middle film layer and face mask layer it is electroplate with on matrix,
Basal membrane layer is chromium plating or titanium；
Middle film layer is chromium plating, titanium and graphite alloy, and wherein chromium accounts for the 30-40% of body weight, titanium accounts for the 20-of body weight
30%, graphite accounts for the 25-35% of body weight；
Face mask layer is chromium plating, titanium and graphite alloy, and wherein chromium accounts for the 20-30% of body weight, titanium accounts for the 15-of body weight
25%, graphite accounts for the 50-60% of body weight.
Low resistance mobile fingerprint identification key case ring the most according to claim 1 and manufacturing process, it is characterised in that:
Described fingerprint case ring matrix uses metal to make.
Low resistance mobile fingerprint identification key case ring the most according to claim 1 and manufacturing process, it is characterised in that:
Described fingerprint case ring matrix is adopted made of plastic.
Low resistance mobile fingerprint identification key case ring the most according to claim 1 and manufacturing process, it is characterised in that:
Described middle film layer is chromium plating, titanium and graphite alloy, and wherein chromium accounts for the 40% of body weight, titanium accounts for the 30% of body weight, stone
Ink accounts for the 30% of body weight.
5. according to the low resistance mobile fingerprint identification key case ring described in claim 1 or 4 and manufacturing process, its feature exists
In: described face mask layer is chromium plating, titanium and graphite alloy, and wherein chromium accounts for the 20% of body weight, titanium accounts for the 20% of body weight, stone
Ink accounts for the 60% of body weight.
6. the manufacturing process of a low resistance mobile fingerprint identification key case ring, it is characterised in that manufacturing claims 1-5 is any
One described low resistance mobile fingerprint identification key case ring, specifically comprises the following steps that
Step 1, makes fingerprint case ring matrix；
Step 2, puts into vacuum chamber, evacuation by fingerprint case ring matrix, and vacuum is maintained at 6-3Pa；
Step 3, utilizes vaporation-type electroplating technology, powers at case ring matrix successively and plate counterdie, intermediate coat and facial film.
The manufacturing process of low resistance mobile fingerprint identification key case ring the most according to claim 6, it is characterised in that: described
The plating bottom section time is 3-8 minute.
8. according to the manufacturing process of the low resistance mobile fingerprint identification key case ring described in claim 6 or 7, it is characterised in that:
The time of described plating middle film layer is 35-40 minute, and pressure is 3-5Pa.
9. according to the low resistance mobile fingerprint identification key case ring described in claim 6 or 7 and manufacturing process, its feature exists
In: the time of described plating face mask layer is 15-20 minute, and pressure is 3-5Pa.
The manufacturing process of low resistance mobile fingerprint identification key case ring the most according to claim 6, it is characterised in that: institute
State basal membrane layer, middle film layer and face mask layer to electroplate successively in an electroplating process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610696185.3A CN106169077A (en) | 2016-08-19 | 2016-08-19 | Low resistance mobile fingerprint identification key case ring and manufacturing process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610696185.3A CN106169077A (en) | 2016-08-19 | 2016-08-19 | Low resistance mobile fingerprint identification key case ring and manufacturing process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106169077A true CN106169077A (en) | 2016-11-30 |
Family
ID=57376456
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610696185.3A Pending CN106169077A (en) | 2016-08-19 | 2016-08-19 | Low resistance mobile fingerprint identification key case ring and manufacturing process |
Country Status (1)
| Country | Link |
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| CN (1) | CN106169077A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108683762A (en) * | 2018-05-22 | 2018-10-19 | Oppo广东移动通信有限公司 | The processing method of case ring, functional unit, electronic device and case ring |
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|---|---|---|---|---|
| KR20060009964A (en) * | 2004-07-27 | 2006-02-02 | 엘지전자 주식회사 | Fingerprint recognition sensor and method for manufacturing for the same |
| JP2012214847A (en) * | 2011-03-31 | 2012-11-08 | Dainippon Printing Co Ltd | Method for manufacturing multistage vapor deposition film, and the multistage vapor deposition film |
| CN103774143A (en) * | 2014-02-28 | 2014-05-07 | 东莞星晖真空镀膜塑胶制品有限公司 | Vacuum coating method of protective film |
| US20150243571A1 (en) * | 2014-02-24 | 2015-08-27 | Dynacard Co., Ltd. | Fingerprint module and manufacturing method for same |
| CN105825165A (en) * | 2015-11-20 | 2016-08-03 | 维沃移动通信有限公司 | Fingerprint identification module, terminal device and assembling method |
-
2016
- 2016-08-19 CN CN201610696185.3A patent/CN106169077A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20060009964A (en) * | 2004-07-27 | 2006-02-02 | 엘지전자 주식회사 | Fingerprint recognition sensor and method for manufacturing for the same |
| JP2012214847A (en) * | 2011-03-31 | 2012-11-08 | Dainippon Printing Co Ltd | Method for manufacturing multistage vapor deposition film, and the multistage vapor deposition film |
| US20150243571A1 (en) * | 2014-02-24 | 2015-08-27 | Dynacard Co., Ltd. | Fingerprint module and manufacturing method for same |
| CN103774143A (en) * | 2014-02-28 | 2014-05-07 | 东莞星晖真空镀膜塑胶制品有限公司 | Vacuum coating method of protective film |
| CN105825165A (en) * | 2015-11-20 | 2016-08-03 | 维沃移动通信有限公司 | Fingerprint identification module, terminal device and assembling method |
Non-Patent Citations (2)
| Title |
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| "真空镀膜加工技术", 《电镀与精饰》 * |
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| CN108683762A (en) * | 2018-05-22 | 2018-10-19 | Oppo广东移动通信有限公司 | The processing method of case ring, functional unit, electronic device and case ring |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20161130 |
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