CN101504274A - Apparatus for on-line measuring micro-coating thickness change of aluminizing thin film - Google Patents
Apparatus for on-line measuring micro-coating thickness change of aluminizing thin film Download PDFInfo
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- CN101504274A CN101504274A CNA2008100335230A CN200810033523A CN101504274A CN 101504274 A CN101504274 A CN 101504274A CN A2008100335230 A CNA2008100335230 A CN A2008100335230A CN 200810033523 A CN200810033523 A CN 200810033523A CN 101504274 A CN101504274 A CN 101504274A
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Abstract
The invention relates to a device for measuring the thickness change of an aluminum-plated membrane micro-coating through online determination, which comprises a transmitting body of a transmitting module and a receiving body of a receiving module, wherein the receiving body of the receiving module inputs data after analog-to-digital conversion into a computer through a communication module; and the computer quickly processes and analyzes the thickness change of the micro-coating on the surface of the current online coating material through software, and displays the thickness change on a screen. The device has the advantages of improving the error accuracy of the thickness and the evenness of the aluminum-plated coating from over +/-10 percent to +/-3 percent and meeting the requirement of product quality.
Description
Technical field
The present invention relates to a kind of surface measurements bed device, relate in particular to a kind of device of measuring micro-coating thickness change of aluminizing thin film.
Background technology
The physical characteristics of plastic sheeting itself and its transparency have determined its wood property (particularly transparent mylar, English be called for short " PET ") to possess seldom barrier property.
Therefore by plating layer of metal material---aluminium uniformly in polyester film surface, produce after the good structure curing through 24 hours metallic aluminium molecules later on, can make this product possess very strong barrier property, it can intercept sunshine (function that has reflection ray simultaneously) antiultraviolet.Be the introduction of several films below:
A, sun blow-out disc: well-known, the auto industry of our country is flourish now, therefore, used blow-out disc market also is that supply falls short of demand, market demand is very big, and produce in the process of vehicle explosion-proof film, vacuum aluminum-coated is vital technology together wherein, because the main effect of vehicle explosion-proof film has three aspect: A, prevents in the solar ultraviolet irradiation car; B, heat insulating function; C, explosion prevention function.And if the uneven words of aluminium coated can cause following some important quality problems in the vacuum aluminum-coated process of film:
(1) bad as aluminium lamination uniformity coefficient in the process of aluminizing, can cause the function of one side ultraviolet radiation preventing fine, and another side is very poor, the left side is good later on perhaps to stick film with a vehicle window, and the right is bad, and vice versa.
(2) the inhomogeneous meeting of aluminium lamination causes very big aberration, color was dark on one side after a car posted, light on one side, that is that the car owner is definitely unacceptable, because attractive in appearance also is that the car owner pastes one of key factor of solar film, therefore the aluminium lamination uniformity coefficient of solar film is required to need very evenly could satisfy the requirement of final products.
(3) the inhomogeneous non-constant of effect of heat insulation that also can cause of aluminium lamination, on one side heat-proof quality fine, and the another side heat insulating function is very poor.
So, more than three kinds of quality reasons be exactly when producing because of aluminizing, aluminum layer thickness is inhomogeneous to be caused.
B, electronic shield film: electronics industry is as the mainstay industry of 21st century, and its effect is increasing, as " patron saint " of electronic product---and the electronic shield packaging bag then is a requisite product in the electronic product.The electronic shield packaging film mainly designs production according to physical principle faraday electricity cage principle so, and vacuum aluminum-coated exactly be exactly to solve a best process means of this principle, if the PET film is through mainly having formed the effect of the following aspects after vacuum aluminum-coated and aluminum plating process is inhomogeneous also can cause following problem:
(1) the PET film is through after vacuum aluminum-coated, and the surface has just formed metal level, then also just formed conductive network, if but common vacuum aluminum-coated then: (1) has influenced the visuality of packing; (2) shielding properties does not reach and requires 1 minute<46dB electromagnetic wave.Therefore, if vacuum aluminum-coated in uneven thickness, just can't guarantee shielding properties at all.
(2) if vacuum aluminum-coated uniformity coefficient is bad, will cause the aluminium lamination of PET film, Yi Bian very transparent, translucent on one side, according to the principle requirement of faraday electricity cage shielding, the surface of product just has blind spot so, cause hole region, just can't guarantee the shielding properties of product.
Producing the best manufacturer of vacuum aluminum-plating equipment in the world now mainly contains: internationally famous companies such as the precious photoelectricity of German Lay company limited, German Applied Materials Inc, Britain General Corporation (GVE), Italian Galileo company.Usually the thickness and the uniformity coefficient that detect aluminium coated all are the on-line measuring devices of dependence equipment itself---the pick-up unit of eddy current is done online detection, two kinds of detection methods of vertical measurement and cross measure are arranged, be to be reflected on the computing machine and to make calculating, finally draw the data of aluminum layer thickness and uniformity coefficient by data with each check point.Its cardinal principle is the aluminum layer thickness that how much detects by the magnitude of current that detects aluminium lamination, and the general error rate that produces of this detection method is usually more than ± 10%.And when particularly producing sun blow-out disc or electronic shield film because aluminum layer thickness is very thin, the magnitude of current seldom, if the product aluminum layer thickness of producing is less than 200A, its detection error rate is bigger, will reach ± 15%-20% between.
Except said method, now a lot of factories use another method of operating usually, are attached on the equipment view window by the sample with required production exactly, observe producing with technician's eyes.Just think, the speed of production of general import equipment all is more than 600 meters/minute, observes and along with the variation of light, angle, everyone eye difference with people's eyes, so the product of producing all can't be guaranteed aluminum layer thickness and uniformity coefficient no matter be vertically or laterally.Bad during fashion, at all can't be from solving the problem on the product quality in essence.
Summary of the invention
The technical issues that need to address of the present invention have provided a kind of device of on-line determination micro-coating thickness change of aluminizing thin film, are intended to solve the above problems.
In order to solve the problems of the technologies described above, the present invention is achieved by the following technical solutions:
The present invention includes: the emitter of transmitter module and the acceptor of receiver module; The acceptor of described receiver module is imported computing machine by communication module with data after A; Described computing machine by the software fast processing, analyze the micro-coating thickness on current online coating material surface variation, be presented on the screen.
Compared with prior art, the invention has the beneficial effects as follows: the thickness of aluminium coated and the error of uniformity coefficient have satisfied the requirement of product quality from mentioning more than ± 10% ± 3% precision.
Description of drawings
Fig. 1 is a module map of the present invention;
Embodiment
Below in conjunction with accompanying drawing and embodiment the present invention is described in further detail:
The present invention includes: the emitter of transmitter module and the acceptor of receiver module; The acceptor of described receiver module is imported computing machine by communication module with data after A; Described computing machine by the software fast processing, analyze the micro-coating thickness on current online coating material surface variation, be presented on the screen;
Described emitter is laser tube, highlighted visible light pipe, infrared emission tube, ultrasonic emitting pipe; Receiving body is corresponding electronics photosensitive tube, ultrasound wave receiving tube.
The present invention is installed in the back of capstan roll in vacuum aluminum-coated process, the light that will see through by ultrared transmission feeds back in the computer software that designs, and therefrom observes the thickness and the uniformity coefficient of aluminium lamination.This method is specially adapted to produce the aluminum plating process requirement of sun blow-out disc and electronic shield film.Because the purposes of product itself all is relevant with light, all be the final use that reaches product by iris action mainly to light, so being applicable to this series products, the invention of this class device uses.And its other topmost characteristic is its weak point with original equipment: the thickness of aluminium coated and the error of uniformity coefficient are from mentioning more than ± 10% ± 3% precision.
Claims (2)
1. the device of an on-line determination micro-coating thickness change of aluminizing thin film is characterized in that comprising: the emitter of transmitter module and the acceptor of receiver module; The acceptor of described receiver module is imported computing machine by communication module with data after A; Described computing machine by the software fast processing, analyze the micro-coating thickness on current online coating material surface variation, be presented on the screen.
2. the device of on-line determination micro-coating thickness change of aluminizing thin film according to claim 1 is characterized in that: described emitter is laser tube, highlighted visible light pipe, infrared emission tube, ultrasonic emitting pipe; Receiving body is corresponding electronics photosensitive tube, ultrasound wave receiving tube.
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CNA2008100335230A CN101504274A (en) | 2008-02-04 | 2008-02-04 | Apparatus for on-line measuring micro-coating thickness change of aluminizing thin film |
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Cited By (14)
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CN101876528A (en) * | 2010-07-02 | 2010-11-03 | 天津大学 | Electromagnetic sensor-based metal film thickness measuring device and method |
CN102449428A (en) * | 2009-05-26 | 2012-05-09 | 乌多·W·布赫 | Methods and instruments for measurement of paint sample characteristics |
CN103245311A (en) * | 2013-05-11 | 2013-08-14 | 大连理工大学 | Ultrasonic thickness measurement device and method for multilayered wave-absorbing coatings |
CN103802442A (en) * | 2012-11-14 | 2014-05-21 | 上海微创医疗器械(集团)有限公司 | Film-laminating thickness control system, film laminating machine comprising same, and film-laminating thickness control method |
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CN112760599A (en) * | 2020-12-27 | 2021-05-07 | 玛奇纳米科技(苏州)有限公司 | Nano vacuum thickness measuring film plating machine |
CN116182953A (en) * | 2023-03-06 | 2023-05-30 | 中稀材(广东)技术有限公司 | Intelligent online detection system for flat plate spraying process and application method of intelligent online detection system |
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- 2008-02-04 CN CNA2008100335230A patent/CN101504274A/en active Pending
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CN102449428A (en) * | 2009-05-26 | 2012-05-09 | 乌多·W·布赫 | Methods and instruments for measurement of paint sample characteristics |
CN101876528A (en) * | 2010-07-02 | 2010-11-03 | 天津大学 | Electromagnetic sensor-based metal film thickness measuring device and method |
CN103802442A (en) * | 2012-11-14 | 2014-05-21 | 上海微创医疗器械(集团)有限公司 | Film-laminating thickness control system, film laminating machine comprising same, and film-laminating thickness control method |
CN103802442B (en) * | 2012-11-14 | 2016-03-23 | 微创神通医疗科技(上海)有限公司 | Overlay film thickness control system, the laminating machine comprising it and overlay film method for controlling thickness |
CN103245311A (en) * | 2013-05-11 | 2013-08-14 | 大连理工大学 | Ultrasonic thickness measurement device and method for multilayered wave-absorbing coatings |
CN103245311B (en) * | 2013-05-11 | 2015-08-12 | 大连理工大学 | With the thickness measuring method of Ultrasonic Detection Multilayer Absorbing Material Coating measuring thickness device |
CN103940350A (en) * | 2014-02-19 | 2014-07-23 | 超威电源有限公司 | Coating-machine online pole plate thickness measurement device and thickness measurement adjustment method |
CN103940350B (en) * | 2014-02-19 | 2017-01-04 | 超威电源有限公司 | Coating machine online pole plate measuring thickness device and thickness measuring method of adjustment |
CN106643587B (en) * | 2016-09-14 | 2019-05-24 | 西安交通大学 | A kind of thickness of metal film measurement method based on microwave transmission method |
CN106643587A (en) * | 2016-09-14 | 2017-05-10 | 西安交通大学 | Microwave transmission method-based metal film thickness measuring method |
CN108844473A (en) * | 2018-04-19 | 2018-11-20 | 嘉善卡勒机车零部件有限公司 | The detection device of locomotive element processing |
CN108917580A (en) * | 2018-09-14 | 2018-11-30 | 重庆惠科金渝光电科技有限公司 | The detection method of coating head coagulation and the production technology of optical filter |
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US10996563B2 (en) | 2018-09-14 | 2021-05-04 | Chongqing Hkc Optoelectronics Technology Co., Ltd. | Method for detecting coagula on coater head and method for fabricating optical diaphragm |
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CN111197963A (en) * | 2020-03-17 | 2020-05-26 | 信泰电子(西安)有限公司 | Non-contact thickness measurement system and method for golden finger |
CN112760599A (en) * | 2020-12-27 | 2021-05-07 | 玛奇纳米科技(苏州)有限公司 | Nano vacuum thickness measuring film plating machine |
CN116182953A (en) * | 2023-03-06 | 2023-05-30 | 中稀材(广东)技术有限公司 | Intelligent online detection system for flat plate spraying process and application method of intelligent online detection system |
CN116182953B (en) * | 2023-03-06 | 2024-01-05 | 中稀材(广东)技术有限公司 | Intelligent online detection system for flat plate spraying process and application method of intelligent online detection system |
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