CN204731151U - The device of laser measurement nucleopore membranes uniformity coefficient - Google Patents
The device of laser measurement nucleopore membranes uniformity coefficient Download PDFInfo
- Publication number
- CN204731151U CN204731151U CN201520158290.2U CN201520158290U CN204731151U CN 204731151 U CN204731151 U CN 204731151U CN 201520158290 U CN201520158290 U CN 201520158290U CN 204731151 U CN204731151 U CN 204731151U
- Authority
- CN
- China
- Prior art keywords
- uniformity coefficient
- nucleopore membranes
- laser
- vertical rack
- detector
- 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.)
- Active
Links
Abstract
The utility model relates to a kind of device of laser measurement nucleopore membranes uniformity coefficient, its principal feature is to include support, support includes horizontal stand and vertical rack, laser instrument is provided with in the upper end of vertical rack, be provided with two-dimension translational platform at the middle part of vertical rack, the table top of its two-dimension translational platform is transparent panel: on horizontal stand, be provided with photo-detector; Laser instrument and photo-detector are on a center line.The utility model has the advantages that: adopt adjustable beam spot size laser precisely can detect the information of the required location point understood, according to different scan modes, the information of be concerned about diverse location can be added up.The mode of this scanning, can pass through computer programming, obtain automatically, thus obtain rapidly the uniformity coefficient information of sample.
Description
Technical field
The utility model relates to a kind of measurement mechanism of nucleopore membranes uniformity coefficient, may be used in nuclear detection technology and nucleopore membranes production run in X-ray inspection X and product inspection.
Background technology
Nucleopore membranes, also known as making nuclear pore membrane or heavy ion microporous membrane, it utilizes heavy ion then chemical etching reaming of punching on megohmite insulant film to form.Uniformity coefficient for nucleopore membranes detects important in inhibiting: nucleopore membranes is as solid state track detector on the one hand, can record amount of ions and the positional information of line truly, be commonly used for the calibration of uniformity coefficient detector.The distribution of ion on diverse location, for the scanning quality important in inhibiting of line.On the other hand, nucleopore membranes itself as filter membrane, can be processed into product.And filter membrane product quality General Requirements nucleopore membranes uniformity coefficient reaches certain requirement, in online production and product inspection process, commonly use the inspection of nucleopore membranes uniformity coefficient.
At present, common method is by the number of perforations under the visual field of optical microscope or electron microscope complicate statistics diverse location, thus obtains nucleopore membranes uniformity coefficient.Someone proposes the method that computer software analysis photo counts hole automatically, but this method comparison film sharpness and contrast etc. require higher, and normal statistics brings larger error.Also someone proposes radioactive element energy spectrum method, but the detection accuracy of the location point of this method, detection area size are difficult to control, and easily by the impact of air layer.Therefore, people need a kind of method that precision is higher, position is sensitiveer and automaticity is higher.
Summary of the invention
The purpose of this utility model is avoid the deficiencies in the prior art part and provide the device proposing a kind of laser measurement nucleopore membranes uniformity coefficient.Make that nucleopore membranes uniformity coefficient measuring accuracy is higher, position is sensitiveer and automaticity is higher.
Another object of the present utility model is a kind of device of laser measurement nucleopore membranes uniformity coefficient.
For achieving the above object, the technical scheme that the utility model is taked is: a kind of device of laser measurement nucleopore membranes uniformity coefficient, its principal feature is to include support, support includes horizontal stand and vertical rack, laser instrument is provided with in the upper end of vertical rack, be provided with two-dimension translational platform at the middle part of vertical rack, the table top of its two-dimension translational platform is transparent panel: on horizontal stand, be provided with photo-detector; Laser instrument and photo-detector are on a center line.
The device of described laser measurement nucleopore membranes uniformity coefficient, described two-dimension translational platform scan mode for scan along horizontal both direction, or only along a direction line sweep.
The device of described laser measurement nucleopore membranes uniformity coefficient, described two-dimension translational stage translation mode is manual mode or automatic mode.
The device of described laser measurement nucleopore membranes uniformity coefficient, the laser wavelength range that described laser instrument sends is 300-1100 nm.
The device of described laser measurement nucleopore membranes uniformity coefficient, described laser beam spot shape is circular and square, and the setting range of bundle spot area is 1 mm
2-300 mm
2.
The beneficial effects of the utility model are: adopt adjustable beam spot size laser precisely can detect the information of the required location point understood, according to different scan modes, can add up the information of be concerned about diverse location.The mode of this scanning, can pass through computer programming, obtain automatically, thus obtain rapidly the uniformity coefficient information of sample.Compared with additive method, laser light source stable, automaticity is high, tests more accurate.
Accompanying drawing illustrates:
Fig. 1 laser measurement nucleopore membranes uniformity coefficient schematic diagram.
Embodiment
Be described principle of the present utility model and feature below in conjunction with embodiment, example, only for explaining the utility model, is not intended to limit scope of the present utility model.Below with specific embodiment, content of the present utility model is described in detail.
Embodiment 1: see Fig. 1, a kind of device of laser measurement nucleopore membranes uniformity coefficient, include support 1, support 1 includes horizontal stand 1-1 and vertical rack 1-2, laser instrument 2 is provided with in the upper end of vertical rack 1-2, be provided with two-dimension translational platform 3 at the middle part of vertical rack 1-2, the displacement table top of its two-dimension translational platform 3 is transparent panel: on horizontal stand 1-1, be provided with photo-detector 4; Laser instrument 2 and photo-detector 4 are on a center line.
Described two-dimension translational platform 3 scan mode for scan along horizontal both direction, or only along a direction line sweep.
Two-dimension translational platform 3 translation mode is manual mode or automatic mode.
The laser wavelength range that described laser instrument 2 sends is 300-1100 nm.
Described laser beam spot shape is circular and square, and the setting range of bundle spot area is 1 mm
2-300 mm
2.
During use, nucleopore membranes 5 be placed on the displacement table top of two-dimension translational platform 3, the beam of laser of laser instrument 2 penetrates nucleopore membranes 5, and photo-detector 4 is measured and recorded absorptivity or the transmissivity of this incoming position point; Again by continuous mobile two-dimension translational platform 3, obtain absorptivity or the transmissivity of other location points of nucleopore membranes 5; Because number of perforations becomes certain linear relationship with absorptivity or transmissivity, thus derive the number of perforations difference of diverse location point, finally determine the uniformity coefficient of tested nucleopore membranes 5 sample.
Embodiment 2: nucleopore membranes PET is placed on the displacement platform of two-dimensional level movement.The laser that a branch of bundle spot is circle is utilized to penetrate nucleopore membranes from side, optical maser wavelength 308nm, bundle spot size 1 mm
2, place photo-detector by opposite side and measure and record the light transmission of this incoming position point; Carry out sector scanning by two-dimension translational platform along horizontal both direction, obtain the transmissivity of diverse location point one by one.The uniformity coefficient obtaining and analyze and obtain tested nucleopore membranes sample institute test area is calculated by software.
Embodiment 3: nucleopore membranes PC is placed on the displacement platform of two-dimensional level movement.A branch of bundle spot is utilized to be that square laser penetrates nucleopore membranes from side, optical maser wavelength 633nm, bundle spot size 30 mm
2, place photo-detector by opposite side and measure and record the light transmission of this incoming position point; Carry out line sweep by two-dimension translational platform along certain direction of level, obtain the transmissivity of diverse location point one by one.Calculate to obtain to analyze by software and obtain the uniformity coefficient of tested nucleopore membranes sample in a direction.
Embodiment 4: nucleopore membranes PI is placed on the displacement platform of two-dimensional level movement.A branch of bundle spot is utilized to be that square laser penetrates nucleopore membranes from side, optical maser wavelength 970nm, bundle spot size 30 mm
2, place photo-detector by opposite side and measure and record the light transmission of this incoming position point; Manually move two-dimension translational platform to another point, record the light transmission of this point.The acquisition sample transmission rate of manual mobile diverse location point one by one.The uniformity coefficient obtaining and analyze and obtain the different test point of tested nucleopore membranes sample is calculated by software.
Embodiment 5: nucleopore membranes PET is placed on the displacement platform of two-dimensional level movement.The laser that a branch of bundle spot is circle is utilized to penetrate nucleopore membranes from side, optical maser wavelength 1064 nm, bundle spot size 300 mm
2, place photo-detector by opposite side and measure and record the light transmission of this incoming position point; Manually move two-dimension translational platform to another point, record the light transmission of this point.The acquisition sample transmission rate of manual mobile diverse location point one by one.The uniformity coefficient obtaining and analyze and obtain the different test point of tested nucleopore membranes sample is calculated by software.
The foregoing is only preferred embodiment of the present utility model, not in order to limit the utility model, all within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (3)
1. the device of a laser measurement nucleopore membranes uniformity coefficient, it is characterized in that including support, support includes horizontal stand and vertical rack, laser instrument is provided with in the upper end of vertical rack, be provided with two-dimension translational platform at the middle part of vertical rack, the table top of its two-dimension translational platform is transparent panel: on horizontal stand, be provided with photo-detector; Laser instrument and photo-detector are on a center line.
2. the device of laser measurement nucleopore membranes uniformity coefficient as claimed in claim 1, is characterized in that the laser wavelength range that described laser instrument sends is 300-1100 nm.
3. the device of laser measurement nucleopore membranes uniformity coefficient as claimed in claim 1, it is characterized in that the laser beam spot shape that described laser instrument sends is circular and square, the setting range of bundle spot area is 1 mm
2-300 mm
2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520158290.2U CN204731151U (en) | 2015-03-20 | 2015-03-20 | The device of laser measurement nucleopore membranes uniformity coefficient |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520158290.2U CN204731151U (en) | 2015-03-20 | 2015-03-20 | The device of laser measurement nucleopore membranes uniformity coefficient |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204731151U true CN204731151U (en) | 2015-10-28 |
Family
ID=54389490
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520158290.2U Active CN204731151U (en) | 2015-03-20 | 2015-03-20 | The device of laser measurement nucleopore membranes uniformity coefficient |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204731151U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107290306A (en) * | 2017-07-06 | 2017-10-24 | 中国科学院光电研究院 | A kind of laser crystal particle doping concentration uniformity testing method and device |
| CN109142284A (en) * | 2018-09-03 | 2019-01-04 | 重庆惠科金渝光电科技有限公司 | Penetrance detection method, device and computer readable storage medium |
| CN114873340A (en) * | 2022-04-14 | 2022-08-09 | 中国原子能科学研究院 | Apparatus and method for measuring physical parameters of nuclear track membranes |
-
2015
- 2015-03-20 CN CN201520158290.2U patent/CN204731151U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107290306A (en) * | 2017-07-06 | 2017-10-24 | 中国科学院光电研究院 | A kind of laser crystal particle doping concentration uniformity testing method and device |
| CN109142284A (en) * | 2018-09-03 | 2019-01-04 | 重庆惠科金渝光电科技有限公司 | Penetrance detection method, device and computer readable storage medium |
| CN114873340A (en) * | 2022-04-14 | 2022-08-09 | 中国原子能科学研究院 | Apparatus and method for measuring physical parameters of nuclear track membranes |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106500965B (en) | Lobster eye x-ray imaging optical element focusing performance test device and method based on ccd detector | |
| KR101112180B1 (en) | Edge distance measuring and checking apparatus for bridge bearing | |
| CN204731151U (en) | The device of laser measurement nucleopore membranes uniformity coefficient | |
| CN104567674A (en) | Bilateral fitting confocal measuring method | |
| CN204287496U (en) | α, β surface contamination detection instrument automatic Verification/calibration/pick-up unit | |
| CN203786038U (en) | Automatic-positioning sample moving platform | |
| CN104359391A (en) | Detecting device for reinforced concrete protective layer measurer and floor thickness measurer | |
| CN205506004U (en) | Portable plane degree laser detector | |
| CN105066903A (en) | Laser three-dimensional measurement system and measurement method thereof | |
| CN204374086U (en) | Laser Raman spectrometer solid and fluid sample focusing micromotion platform device | |
| WO2015100068A1 (en) | Non-imaging coherent line scanner systems and methods for optical inspection | |
| CN107356619A (en) | A kind of micro-beam X-ray fast positioning and calibrating installation and its application method | |
| CN111060294A (en) | Comprehensive test platform for fluorescence microscope objective | |
| CN104344803A (en) | Flatness detecting device with variable detecting position | |
| CN204188158U (en) | A kind of flatness checking device of variable detection position | |
| CN101581571A (en) | Method for measuring pit depth with scanning electronic microscope | |
| CN105091778B (en) | Obform guide rail one side characteristic detection method and device based on line-structured laser | |
| CN101907576A (en) | Method for testing spatial extension characteristic of tellurium-zinc-cadmium material defect | |
| CN101915547B (en) | Time domain OCT measurement method and time domain OCT system | |
| CN108152294A (en) | A kind of ultra-smooth eyeglass flaw inspection devices and methods therefor | |
| CN104729999B (en) | The method of the laser measurement nucleopore membranes uniformity | |
| CN104390602A (en) | Metallographic detection method for micro-level damage depth | |
| CN107478166A (en) | A kind of deformation monitoring hole effective aperture measurement apparatus and its operating method | |
| CN104567676B (en) | Bilateral fitting differential confocal measurement method | |
| CN206248012U (en) | Tubing, Surface of Rod Bar depth of defect detection means |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |