25 results about "Laser Microscopy" patented technology

The invention discloses a confocal laser microscope detection method for micro-plastic surface biofilm components and biomass, and belongs to the field of micro-plastic pollution monitoring. The method comprises the following steps: carrying out stratified sampling and polymer component identification on micro-plastic in an environmental water body; the method comprises the following steps: marking algae, blue-green algae, bacteria and extracellular polymeric substances in a biological membrane through specific fluorescent staining, carrying out high-resolution three-dimensional imaging by utilizing a confocal laser microscope, and realizing batch quantitative analysis of each component of the biological membrane by adopting ImageJ software. The technical problems that an existing detection method is insufficient in parameter dimension, evaluation result deviation is caused only based on partial component quantification, and the influence of the overall structure of the biological membrane on the micro-plastic migration behavior cannot be truly reflected are solved. According to the method, the biomass and spatial distribution of each component of the biological membrane can be comprehensively and accurately quantified, the accuracy of analyzing the vertical migration mechanism of the micro-plastic is improved, and multi-dimensional data support is provided for ecological risk assessment.

Provided is an indium phosphide substrate, a method for manufacturing an indium phosphide substrate, and a semiconductor epitaxial wafer, which can suppress the occurrence of contamination of the surface of the indium phosphide substrate caused by residues in the edge portion. An indium phosphide substrate, wherein the indium phosphide substrate has an edge portion including at least a surface having a curvature, and wherein, with respect to the surface roughness of the edge portion, each of the measured values of the root mean square height Sq calculated using a laser microscope and applying an L filter with a cutoff wavelength of 20 μm at a plurality of positions on the entire surface of the edge portion is 0.15 μm or less.

Ceramic filter with a columnar honeycomb structure (100) comprising an outer circumferential side wall (102); a plurality of first cells (108) arranged on an inner circumferential side of the outer circumferential side wall (102), extending from a first end face (104) to a second end face (106), open at the first end face (104) and having closure sections (109) at the second end face (106); and a plurality of second cells (110) arranged on the inner circumferential side of the outer circumferential side wall (102), extending from the first end face (104) to the second end face (106), having closure sections (109) at the first end face (104) and being open at the second end face (106), wherein the plurality of first cells (108) and the plurality of second cells (110) are arranged alternately next to each other, with porous partitions (112) arranged between them;where, when viewing a plurality of pores of a surface of the partitions (112) with a laser microscope and plotting the equivalent circle diameter (µm) of each pore on the X-axis and the pore depth (µm) of each pore on the Y-axis on a two-dimensional coordinate system, the slope of the regression line (y / x) obtained by a least squares method in a range of 20 ≤ x ≤ 40 is 0 to 0.20, the average value of the pore depth of the plurality of pores is 2.5 µm to 5.0 µm, and the number density of the plurality of pores is 600 / mm; 2 up to 2450 / mm 2 amounts.

The invention provides a lithium ion secondary battery, a battery device and an electric device. The lithium ion secondary battery comprises a positive pole piece, a negative pole piece and an electrolyte, the positive pole piece comprises a positive current collector and a positive film layer arranged on at least one side of the positive current collector, the positive film layer comprises a positive active material, and the positive active material comprises lithium-containing transition metal phosphate particles of which at least partial surfaces are provided with carbon coating materials; in a graphitization degree C value cumulative distribution curve obtained by the positive electrode film layer in a surface scanning mode of a laser microscopic confocal Raman spectrometer, the median C50 of the graphitization degree is greater than or equal to 0.95 and less than or equal to 1.20, and the concentration ratio (C90-C10) / C50 of the C value is 0.01-0.04; wherein the graphitization degree C value is IG / ID, IG represents the G peak intensity of the Raman spectrum at the position of 1580 + / -100 cm <-1 >, and ID represents the D peak intensity of the Raman spectrum at the position of 1350 + / -100 cm <-1 >.

The present invention provides a plated steel sheet which is capable of enhancing designability of hairlines when viewed from a medium distance of about 1-3 m. A plated steel sheet according to the present disclosure comprises: a base steel plate; and a plating layer which is formed on the base steel plate and has hairlines that are formed on the surface thereof. On the surface of the plating layer, a surface roughness profile is measured by a laser microscope in a measurement range that has a length of 60910 µm in a direction that is perpendicular to the extending direction of the hairlines, thereby obtaining the surface roughness profile of the measurement range, the measurement range is divided into 100 minute areas that are arranged at a pitch of 609.1 µm from an end of the measurement range, a peak count RPc having a dead zone width of 360 nm is obtained for each minute area, and two or more contrast parts, in which the absolute difference of peak count RPc between two adjacent minute areas is 16 or more, are present in the measurement range.

An indium phosphide substrate with a diameter of 50 mm or more has a waviness Wq of less than 200 nm on the entire substrate surface excluding the edge portion. The waviness Wq of the entire substrate surface excluding the edge portion is measured in the following order (1) to (2). (1) The area within 5 mm from the outer periphery to the center is defined as the "edge portion". The entire wafer surface excluding the area within 5 mm from the outer periphery to the center is defined as the "substrate surface excluding the edge portion". (2) The waviness Wq is measured using the white interferometry function of a laser microscope. Taking the center of the substrate surface in the short dimension direction of a range of 1 mm × 40 mm as the reference line, 20 lines with a spacing of 4.5 μm are set as a measurement interval. The waviness of the 10 surrounding lines that move parallel to the short dimension direction and the total of 11 lines of the reference line spanning 40 mm in the long dimension direction is calculated. The average value of these values ​​is taken as the waviness Wq.

The invention provides a lithium ion secondary battery, a battery device and an electric device. The lithium ion secondary battery comprises a positive pole piece, a negative pole piece and an electrolyte, the positive pole piece comprises a positive current collector and a positive film layer arranged on at least one side of the positive current collector, the positive film layer comprises a positive active material, and the positive active material comprises lithium-containing transition metal phosphate particles of which at least partial surfaces are provided with carbon coating materials; in a graphitization degree C value cumulative distribution curve obtained by the positive electrode film layer in a surface scanning mode of a laser microscopic confocal Raman spectrometer, the median C50 of the graphitization degree is greater than or equal to 0.95 and less than or equal to 1.20, and the concentration ratio (C90-C10) / C50 of the C value is 0.01-0.04; wherein the graphitization degree C value is IG / ID, IG represents the G peak intensity of the Raman spectrum at the position of 1580 + / -100 cm <-1 >, and ID represents the D peak intensity of the Raman spectrum at the position of 1350 + / -100 cm <-1 >.

The invention provides a lithium ion secondary battery, a battery device and an electric device. The lithium ion secondary battery comprises a positive pole piece, a negative pole piece and an electrolyte, the positive pole piece comprises a positive current collector and a positive film layer arranged on at least one side of the positive current collector, the positive film layer comprises a positive active material, and the positive active material comprises lithium-containing transition metal phosphate particles of which at least partial surfaces are provided with carbon coating materials; in a graphitization degree C value cumulative distribution curve obtained by the positive electrode film layer in a surface scanning mode of a laser microscopic confocal Raman spectrometer, the median C50 of the graphitization degree is greater than or equal to 0.95 and less than or equal to 1.20, and the concentration ratio (C90-C10) / C50 of the C value is 0.01-0.04; wherein the graphitization degree C value is IG / ID, IG represents the G peak intensity of the Raman spectrum at the position of 1580 + / -100 cm <-1 >, and ID represents the D peak intensity of the Raman spectrum at the position of 1350 + / -100 cm <-1 >.

A stretchable substrate having a first main surface and a second main surface facing opposite of each other, wherein the stretchable substrate satisfies at least one of (1) to (4): (1) at least either the first main surface or the second main surface has an oxygen atomic proportion of 5 at % or more with respect to all atoms as measured by X-ray photoelectron spectroscopy; (2) the first main surface or the second main surface has an arithmetic average surface roughness of 6 μm or more as measured with a laser microscope; (3) at least either the first main surface or the second main surface includes a metal-containing portion containing a metal atom; or (4) a metal-containing region containing a metal atom that is positioned along at least either the first main surface or the second main surface.

The invention provides a lithium ion secondary battery, a battery device and an electric device. The lithium ion secondary battery comprises a positive pole piece, a negative pole piece and an electrolyte, the positive pole piece comprises a positive current collector and a positive film layer arranged on at least one side of the positive current collector, the positive film layer comprises a positive active material, and the positive active material comprises lithium-containing transition metal phosphate particles of which at least partial surfaces are provided with carbon coating materials; in a graphitization degree C value cumulative distribution curve obtained by the positive electrode film layer in a surface scanning mode of a laser microscopic confocal Raman spectrometer, the median C50 of the graphitization degree is greater than or equal to 0.95 and less than or equal to 1.20, and the concentration ratio (C90-C10) / C50 of the C value is 0.01-0.04; wherein the graphitization degree C value is IG / ID, IG represents the G peak intensity of the Raman spectrum at the position of 1580 + / -100 cm <-1 >, and ID represents the D peak intensity of the Raman spectrum at the position of 1350 + / -100 cm <-1 >.

To provide a fluid sterilization device that can increase the number of units produced per unit of time. [Solution] The fluid sterilization device 1 has a sterilization chamber 60 for sterilizing the flowing fluid, and comprises a sterilization chamber body 10 in which at least the inner wall surface 61 of the sterilization chamber 60 is formed of polytetrafluoroethylene, and a light source unit 20 including a light-emitting element 22 that emits ultraviolet light into the sterilization chamber 60. The inner wall surface 61 of the sterilization chamber 60 has a root mean square wavelength Rλq measured by a contact-type roughness meter that is greater than 100 μm, or a root mean square wavelength Rλq measured by a laser microscope that is greater than 70 μm.

The invention provides a lithium ion secondary battery, a battery device and an electric device. The lithium ion secondary battery comprises a positive pole piece, a negative pole piece and an electrolyte, the positive pole piece comprises a positive current collector and a positive film layer arranged on at least one side of the positive current collector, the positive film layer comprises a positive active material, and the positive active material comprises lithium-containing transition metal phosphate particles of which at least partial surfaces are provided with carbon coating materials; in a graphitization degree C value cumulative distribution curve obtained by the positive electrode film layer in a surface scanning mode of a laser microscopic confocal Raman spectrometer, the median C50 of the graphitization degree is greater than or equal to 0.95 and less than or equal to 1.20, and the concentration ratio (C90-C10) / C50 of the C value is 0.01-0.04; wherein the graphitization degree C value is IG / ID, IG represents the G peak intensity of the Raman spectrum at the position of 1580 + / -100 cm <-1 >, and ID represents the D peak intensity of the Raman spectrum at the position of 1350 + / -100 cm <-1 >.

The invention provides a lithium ion secondary battery, a battery device and an electric device. The lithium ion secondary battery comprises a positive pole piece, a negative pole piece and an electrolyte, the positive pole piece comprises a positive current collector and a positive film layer arranged on at least one side of the positive current collector, the positive film layer comprises a positive active material, and the positive active material comprises lithium-containing transition metal phosphate particles of which at least partial surfaces are provided with carbon coating materials; in a graphitization degree C value cumulative distribution curve obtained by the positive electrode film layer in a surface scanning mode of a laser microscopic confocal Raman spectrometer, the median C50 of the graphitization degree is greater than or equal to 0.95 and less than or equal to 1.20, and the concentration ratio (C90-C10) / C50 of the C value is 0.01-0.04; wherein the graphitization degree C value is IG / ID, IG represents the G peak intensity of the Raman spectrum at the position of 1580 + / -100 cm <-1 >, and ID represents the D peak intensity of the Raman spectrum at the position of 1350 + / -100 cm <-1 >.

Provided is a surface-treated metal material and a bonded body containing the same, for adhesive bonding, which can further improve adhesive durability. A surface-treated metal material in which a silane film is provided on at least a part of the surface of a metal substrate, wherein when a parallel polarized light having an incident angle of 75° is incident on the surface of the silane film, and an absorption spectrum is measured by Fourier transform infrared spectroscopy, an absorption peak is present in a wave number region of 1250 (cm －1 ) or more and 1150 (cm －1 ) or less, and when the surface roughness is measured for a 1 mm x 1 mm measurement range at any three positions on the surface of the silane film by a laser microscope, the aspect ratio is 0.5 or more.

The application discloses an optoelectronic tweezers device for dielectric particle manipulation, and relates to the technical field of optoelectronic tweezers, and comprises an ultraviolet laser microscope light path, an ultraviolet laser sheet illumination light path, an imaging light path and a dielectric particle manipulation chip module; the dielectric particle manipulation chip module comprises a first lithium niobate wafer, a second lithium niobate wafer and a motion control device; the ultraviolet laser microscope light path irradiates the first lithium niobate wafer, and the ultraviolet laser sheet illumination light path irradiates the second lithium niobate wafer; the first lithium niobate wafer and the second lithium niobate wafer respectively generate photoelectrons after being irradiated; the photoelectrons generate laser converging light spots; the laser converging light spot generated by the first lithium niobate wafer is smaller than the laser converging light spot in the second lithium niobate wafer; a non-uniform electric field is generated in the dielectric particle manipulation chip; and the imaging light path is used for displaying particle information generated in the dielectric particle manipulation chip module. The device is simple in structure, and can flexibly, efficiently and accurately manipulate dielectric particles.

The invention provides a lithium ion secondary battery, a battery device and an electric device. The lithium ion secondary battery comprises a positive pole piece, a negative pole piece and an electrolyte, the positive pole piece comprises a positive current collector and a positive film layer arranged on at least one side of the positive current collector, the positive film layer comprises a positive active material, and the positive active material comprises lithium-containing transition metal phosphate particles of which at least partial surfaces are provided with carbon coating materials; in a graphitization degree C value cumulative distribution curve obtained by the positive electrode film layer in a surface scanning mode of a laser microscopic confocal Raman spectrometer, the median C50 of the graphitization degree is greater than or equal to 0.95 and less than or equal to 1.20, and the concentration ratio (C90-C10) / C50 of the C value is 0.01-0.04; wherein the graphitization degree C value is IG / ID, IG represents the G peak intensity of the Raman spectrum at the position of 1580 + / -100 cm <-1 >, and ID represents the D peak intensity of the Raman spectrum at the position of 1350 + / -100 cm <-1 >.

The invention provides a lithium ion secondary battery, a battery device and an electric device. The lithium ion secondary battery comprises a positive pole piece, a negative pole piece and an electrolyte, the positive pole piece comprises a positive current collector and a positive film layer arranged on at least one side of the positive current collector, the positive film layer comprises a positive active material, and the positive active material comprises lithium-containing transition metal phosphate particles of which at least partial surfaces are provided with carbon coating materials; in a graphitization degree C value cumulative distribution curve obtained by the positive electrode film layer in a surface scanning mode of a laser microscopic confocal Raman spectrometer, the median C50 of the graphitization degree is greater than or equal to 0.95 and less than or equal to 1.20, and the concentration ratio (C90-C10) / C50 of the C value is 0.01-0.04; wherein the graphitization degree C value is IG / ID, IG represents the G peak intensity of the Raman spectrum at the position of 1580 + / -100 cm <-1 >, and ID represents the D peak intensity of the Raman spectrum at the position of 1350 + / -100 cm <-1 >; wherein the positive electrode film layer does not comprise a conductive agent.

The invention provides a lithium ion secondary battery, a battery device and an electric device. The lithium ion secondary battery comprises a positive pole piece, a negative pole piece and an electrolyte, the positive pole piece comprises a positive current collector and a positive film layer arranged on at least one side of the positive current collector, the positive film layer comprises a positive active material, and the positive active material comprises lithium-containing transition metal phosphate particles of which at least partial surfaces are provided with carbon coating materials; in a graphitization degree C value cumulative distribution curve obtained by the positive electrode film layer in a surface scanning mode of a laser microscopic confocal Raman spectrometer, the median C50 of the graphitization degree is greater than or equal to 0.95 and less than or equal to 1.20, and the concentration ratio (C90-C10) / C50 of the C value is 0.01-0.04; wherein the graphitization degree C value is IG / ID, IG represents the G peak intensity of the Raman spectrum at the position of 1580 + / -100 cm <-1 >, and ID represents the D peak intensity of the Raman spectrum at the position of 1350 + / -100 cm <-1 >.

The invention relates to a Cu-Ti-based copper alloy sheet material, a manufacturing method thereof, and a vapor chamber. Provided is a metal material suitable for a case of a vapor chamber, the metal material having high strength after being held at a high temperature (for example, about 800 DEG C), and obtaining very high bonding strength in a diffusion-bonded portion exceeding a pure copper material. A copper alloy sheet material having a chemical composition containing, in mass%, 2.00-5.00% of Ti, and optionally, Ag, Al, B, Be, Co, Cr, Fe, Hf, Mg, Mn, Mo, Nb, Ni, P, S, Si, Sn, Ta, V, Zn, Zr, and a rare earth element in a total of 4.00% or less, the remainder comprising Cu and unavoidable impurities, the maximum height roughness Rz of the sheet surface in the direction perpendicular to the rolling direction being 1.5 [mu] m or less, and the maximum height roughness Rz of the sheet surface in the direction perpendicular to the rolling direction being 1.5 [mu] m or less. The expansion area ratio Sdr of the plate surface measured by a laser microscope is 0.10 or less.

The present invention addresses the problem of providing a separation membrane capable of selectively separating methanol with high efficiency from a gas containing carbon dioxide, hydrogen, and methanol. This separation membrane is provided with a separation layer containing MFI zeolite. In the MFI zeolite, the ratio I200 / I104 of the intensity I200 of a diffraction peak of a (200) plane to the intensity I104 of a diffraction peak of a (104) plane by X-ray diffraction measurement is 0.05-1.5, and the number-based cumulative particle diameter D50 at a cumulative number of 50% in a particle size distribution obtained by analyzing an image obtained by laser microscope observation is 2-10 µm.

Provided is a porous layer for a nonaqueous electrolyte secondary battery superior in ion permeability under applied pressure. A porous layer for a nonaqueous electrolyte secondary battery in accordance with the present disclosure is a porous layer in which a product of a density of peaks Spd [1 / μm2] and an arithmetic mean peak curvature Spc [1 / μm] is not less than 40 [1 / μm3], the density of peaks Spd and the arithmetic mean peak curvature Spc each being calculated from an image obtained by making observation of a surface of the porous layer by using a laser microscope.

An indium phosphide substrate having a diameter of 50 mm or more and a waviness (Wa) of 150 nm or less in the entire surface of the substrate excluding an edge portion, the waviness (Wa) of the entire surface of the substrate excluding the edge portion being measured in the following order (1)-(2): (1) an area within 5 mm from the outer periphery to the center is an edge portion; (2) The waviness (Wa) is measured using a white interferometry function of a laser microscope by setting the entire wafer surface excluding a region within 5 mm from the outer periphery to the center of the wafer as "the entire substrate surface excluding an edge portion". With the center of the substrate surface in the short dimension direction in the range of 1 mm * 40 mm as a reference line and 20 lines at intervals of 4.5 [mu] m as a measurement interval, waviness across 40 mm in the long dimension direction of 10 surrounding lines moving in parallel with respect to the short dimension direction and a total of 11 reference lines is obtained, and the average value thereof is defined as waviness Wa.

Laser microscope (1), comprising at least a first laser source (10) emitting at least one, in particular pulsed, excitation beam (11), a scanning optic (3) configured for scanning the excitation beam (11) over the surface (55) of a sample (5), a focusing optic (4) configured for focusing the excitation beam (11) onto the sample (5), and at least one detector (61, 62) for light (7, 7a-7d) emitted by the sample (5) due to an optical effect in response to the excitation beam (11), wherein a second laser source (20) for a pulsed ablation beam (21) is provided for local ablation of the material of the sample (5), wherein the ablation beam (21) is guided to the sample (5) via the scanning optic (3) and the focusing optic (4), characterized in that the first laser source (10) emits pulses (11a, 11b) emits at least two different wavelengths, in particular pulses of three different wavelengths,• the first laser source (10) and the second laser source (20) are fed by a common continuous-wave pump laser (15), • the beam from the common continuous-wave pump laser (15) is guided into an optical oscillator (16) and a beam splitter (18) is provided to divide the pulsed beam (17) emitted by the optical oscillator (16) into the excitation beam (11) on the one hand and the ablation beam (21) on the other hand, and • the excitation beam (11) is guided through a spectral filter (19).

The utility model discloses a particulate matter detection device, and relates to the technical field of particulate matter detection, the particulate matter detection device mainly comprises an accommodating box, an acquisition module, a microscope module, a laser module and an adjusting device, the accommodating box is used for accommodating air with particulate matters, and the laser module is used for emitting laser into the accommodating box; the microscope module can amplify particles irradiated by the laser, and the acquisition module is connected with the microscope module and is used for receiving an image amplified by the microscope module; the adjusting device is connected to the microscope module, and the adjusting device can adjust the position of the microscope module. According to the utility model, the position of the microscope module can be adjusted, and the operation path of particulate matters can be accurately aligned.

By possessing high degassing properties, resin-encapsulated semiconductors and the like can be produced with productivity exceeding the limits of conventional technology. At the same time, it maintains the excellent release properties, appearance of molded products, and mold conformability that have been required of process release films, and provides a process release film that balances these at a high level that surpasses the limits of conventional technology. [Solution] A release film for processes, wherein at least one of its two surfaces has irregularities formed on it, and the Sdr (unfolded surface area ratio) of the surface on which the irregularities are formed, measured with a laser microscope, is 4.0 to 50.0%.