80 results about "Carbon dioxide laser light" patented technology

The invention relates to a die forming process and particularly relates to a surface hardening process for a metal stamping die. The process comprises the steps of 1) polishing a metal stamping die surface; 2) removing oil stains on the metal stamping die surface; 3) applying a silica light absorbing coating on the metal stamping die surface uniformly, and controlling the thickness to be within a range of 0.04-0.08mm, wherein the silica light absorbing coating comprises, by mass, 5% of nickel base alloy powder, 1% of wolfram carbide and 1% of titanium carbide mixtures; 4) drying the metal stamping die obtained from Step 3); and 5) using a carbon dioxide laser beam to quickly scan the metal stamping die surface obtained from Step 4), and keeping the laser power P of 2800-4000W, the spot diameter of 8-15mm and the scanning speed V of 4-6m/min. Tests prove that the hardening process can improve the abrasive resistance and the rigidity of the metal stamping die surface, reduce grinding time and grinding times and further reduce the usage cost.

At least one surface of a plate member made of ZnSe has a concave-and-convex structure in which a projecting section and a groove section are formed at a spatial cycle equal to or lower than the wavelength of carbon dioxide laser light to thereby provide a substrate body. On a surface of the concave-and-convex structure, an antireflection film is layered that has a lower refractive index than that of ZnSe to carbon dioxide laser light. By this configuration, the polarization state of transmitted carbon dioxide laser light is converted from a linear polarization to a circular polarization or the like.

The invention relates to a method for resin hole plugging after patterning. Implementation of the method comprises the steps of A, preparing a substrate requiring hole plugging after patterning, and preparing transparent PET films torn off after a dry film is mounted; B, mounting the PET films on two sides of a board respectively, and putting a piece of Kraft paper at the outer side to perform normal lamination, wherein the PET films are attached to a substrate after lamination; C, drilling a hole which is smaller than the aperture at each hole site requiring hole plugging by using a carbon dioxide laser drilling machine; D, performing vacuum lamination by using a prepreg, and carrying resin filling on laser drilled holes in the substrate; E, stripping the PET films and the cured prepreg together on the substrate; and F, performing resistance welding and the subsequent general production process. The method is simple to operate, reliable in quality, low in cost and short in production cycle.

The invention discloses a construction method and device for a phase-locked multi-channel strip discharging array carbon dioxide laser, and relates to the field of optical engineering and laser application. According to the method and device, the laser obtains high-power phase-locked carbon dioxide laser output through a plurality of rectangular strips according to symmetrical structure configuration and radio-frequency discharging excitation. The method is characterized by comprising the steps of placing a quartz discharging tube or a glass discharging tube on the symmetry axis of a system, enabling the rectangular strips to intersect with one another, symmetrically placing the rectangular strips on the symmetry axis of the system, arranging only one output mirror, enabling the two surfaces of the output mirror to be two parallel plane mirrors or plane convex mirrors, and arranging a convergence system behind the output mirror, wherein a beam of convergent high-power carbon dioxide laser light with the good coherence is obtained after convergence of array parallel beams output from the array carbon dioxide laser through the convergence system. The system is characterized in that oscillation light beams inside the strips are excited by the laser light through convex reflection of the output mirror or the first reflection face of a concave mirror behind the output mirror, wherein the laser light is generated by the discharging tube on the symmetry axis of the system under the action of two mirror cavities on the axis. Therefore, the obtained carbon dioxide laser beams are good in coherence.

The invention provides a construction method and device of a traveling wave cavity high-power carbon dioxide laser, and relates to the field of optical engineering and laser application. The laser comprises a concave mirror, an annular total reflection mirror, a plane output mirror, discharge tubes, water-cooled tubes, positive electrodes, negative electrodes, gas storage chambers, a gas return pipe, discharge tube supports and laser supports. According to the traveling wave cavity high-power carbon dioxide laser, laser beams output from the plane output mirror are distributed symmetrical about a symmetry axis of the laser, and the laser has the advantages of being high in power, good in laser beam quality, compact in structure and small in size and is one of main devices for laser machining. The construction method and device are characterized in that sixteen combined tubes are symmetrically placed on the symmetry axis of the laser, a direct-current power source is used for excitation, and high-power laser light is output under the effect of a traveling wave cavity composed of the concave mirror, the annular total reflection mirror and the plane output mirror. The high-power carbon dioxide laser light can be directly used for laser machining, material processing and the like, and low-power carbon dioxide laser light can be used for laser beautifying, laser surface processing and the like.

The invention discloses a carbon dioxide laser wavelength measuring apparatus which comprises: an optical system, an electronic system and a scanning system. Carbon dioxide laser beams pass through an entrance slit, are reflected into parallel beams by a first collimation sphere reflector and a focusing sphere reflector and then are beamed on a plane diffraction grating whose rotation is controlled by a stepping motor through a sine mechanism so that diffraction beams whose wavelength forms a sine relationship with a plane diffraction grating rotation angle can be obtained. The diffraction beams arrive a tellurium cadmium mercury detector via an objective lens, a second collimation sphere reflector and an exit slit. An emergent light signal which passes through the exit slit is converted into an electrical signal through the tellurium cadmium mercury detector. Through amplification, an A/D conversion, the carbon dioxide laser wavelength can be measured through processing. By using the apparatus, the disadvantages in the current carbon dioxide laser wavelength measuring apparatus can be overcome. Functions are powerful. Cost performance is high. Measuring precision is high. A measuring speed is fast. Operation is easy. The apparatus has many other characteristics. A volume is small. The apparatus is convenient to be integrated into the system to perform the on-line monitoring.

In a carbon dioxide laser machining method of a multilayer material of applying carbon dioxide laser light to a machined part of a multilayer material having an insulation layer and a first conductor layer and a second conductor layer deposited with the insulation layer between and removing the first conductor layer and the insulation layer of the machined part to form a blind hole or a groove arriving at the second conductor layer, the laser light is applied to the machined part like pulses at an energy density of 25 J/cm² or more for beam ON time in the range of 1 μs to 10 μs.

The invention relates to the technical field of nasal polyp treatment medical equipment, in particular to a carbon dioxide laser therapeutic instrument for removing nasal polyps. The carbon dioxide laser therapeutic instrument comprises a laser therapeutic instrument main body, a control panel is arranged in the middle of the front end face of the laser therapeutic instrument main body; a displayscreen is arranged on the left side of the upper end face of the laser therapeutic instrument main body; rollers are arranged at four corners of the lower end surface of the laser therapeutic instrument main body; a rotating groove is formed in the middle of the upper end surface of the laser therapeutic instrument main body. The advantages are that by additionally arranging extremely-thin pipelines on the two sides of a laser head, tissue fluid and smoke are evacuated in time through the pipelines, it is guaranteed that an operation is conducted smoothly and stably, and the convenience of theoperation is greatly improved; and through the cooperation of a disinfection box and a storage insertion table, the end part of the optical fiber after the experiment operation is effectively and timely stored, disinfected and dried, and the fracture of the optical fiber and the pollution of the laser head are avoided.

The invention relates to the technical field of carbon dioxide laser instruments, in particular to a carbon dioxide laser instrument for cutting dermatofibroma lesion tissues. The instrument comprisesan output positioning cylinder, the output positioning cylinder is of a cylindrical structure, a clamping connector is integrally arranged at the upper end of the output positioning cylinder, a circle of positioning ring is fixedly welded to the outer ring at the lower end of the output positioning cylinder, an air guide rib is fixedly arranged on the inner ring of the output positioning cylinder, the air guide rib is of a spiral structure, and the outer ring of the output positioning cylinder is sleeved with an air bellow. An air inlet cavity and an air outlet cavity can be fully utilized, airflow forms vortexes in the air inlet cavity and the air outlet cavity, dust accumulation in the air outlet cavity is avoided, and the effects of being free of maintenance and disinfection and free of dead corners can be achieved; due to the fact that air inlet holes and air outlet holes are evenly distributed in the cylinder wall of the output positioning cylinder, air inlet and air outlet are even, and the situation that torrent affects laser output stability can be avoided; and the air bellow is simple in installation structure, high in sealing performance and high in practicability.

The invention relates to a compact carbon dioxide pumping terahertz dual-frequency laser, which comprises a dual-laser main body, a carbon dioxide laser pumping light path and a laser auxiliary system, the dual-laser main body comprises a pumping end vacuum cavity, an output end vacuum cavity, two laser tubes, four invar bars and a pumping end vacuum cavity; the whole carbon dioxide pump light path and the dual-laser main body are fixed on an optical panel, and laser emitted by the carbon dioxide laser enters a cavity through different brewster windows after being subjected to condensation and beam splitting; the output end vacuum cavity is shared by the two terahertz lasers, a high-precision three-dimensional adjusting mechanism is used for fixing the center hole copper mirrors and remotely adjusting the length of resonant cavities of the two lasers under the sealing condition, namely the distance between the two center hole copper mirrors at the pumping end and the output end, and the length of the resonant cavities is accurately adjusted, so that the output power and the difference frequency of the terahertz dual-frequency laser can be controlled.

The invention discloses a carbon dioxide laser cutting machine rack with dust removal and noise reduction functions. The carbon dioxide laser cutting machine rack comprises a main rack body. Supporting legs are arranged on the bottom face of the main rack body. A containing table is arranged on the bottom face in the main rack body. A plurality of partition plates are arranged on the top face of the containing table and penetrate the top face of the main rack body to form partition grooves. A longitudinal track plate is arranged on the bottom face of the main rack body. The carbon dioxide laser cutting machine rack with the dust removal and noise reduction functions belongs to the field of carbon dioxide laser cutting machines with the dust removal and noise reduction functions. A noise reduction device is arranged on the main rack body, noise generated during work of a carbon dioxide laser cutting knife is reduced, and a noise source is prevented from diffusing towards the two sides.An installed dust removal device is used for filtering and removing smoke dust generated during work of the carbon dioxide laser cutting knife. An installed fixing device is used for conducting indirect connecting operation on the transverse track plate, and the transverse track plate moves towards the track plate.

A cladding supermode interference based fiber reflective probe sensor is composed of a single-mode fiber and a cut all-solid photon band-gap fiber, the end, close to the single-mode fiber, of the all-solid photon band-gap fiber is etched with a long-period grating, and the tail end of the all-solid photon band-gap fiber includes a reflection surface. A manufacturing method of the sensor comprisesthat 1) the two ends of the all-solid photon band-gap fiber are connected with a broadband light source and a spectrometer via single-mode fibers respectively; 2) one end of each single-mode fiber atone side of the all-solid photon band-gap fiber is fixed, the other end of the single-mode fiber is loaded with a counterweight, and the all-solid photon band-gap fiber is placed in a processing areaof a carbon dioxide laser marking machine; 3) output laser pulse energy of a high-energy carbon dioxide laser and the period and length of a processing grating are determined, and the grating is written; and 4) one end, far from the long-period grating, of the all-solid photon band-gap fiber is cut and serves as the reflecting surface. The sensor is high in reliability and contract and compact instructure, and can be used for the sensing field, especially for field measurement in the high-temperature environment.

The invention relates to the technical field of laser ink-jet printing equipment, and discloses a carbon dioxide laser ink-jet printer. The carbon dioxide laser ink-jet printer comprises a bottom plate, wherein a workbench is arranged at the top end of the bottom plate, a through groove is formed in the middle of the top end of the workbench, fixing seats are fixedly installed on the left side andthe right side of the top end of the workbench, motors are fixedly installed at the top ends of the fixing seats, and connecting shafts are fixedly installed at one ends of output shafts of the motors at equal angles. According to the carbon dioxide laser ink-jet printer, the motors are started to drive the connecting shafts to move circumferentially and drive a threaded sleeve to rotate, at themoment, a threaded rod can be driven by the threaded sleeve to move relative to the threaded sleeve, two clamping plates can be driven by the threaded rod to get close to or get away from each other,sliding strips on the two sides of clamping plates can move in sliding rails to prevent the clamping plates from deviating, then clamping of a product to be subjected to ink-jet printing is completed,after ink-jet printing is completed, the clamping plates can be controlled to get away from each other to complete discharging, and therefore the advantage of conveniently clamping the product is achieved.

The present invention discloses a carbon dioxide laser tube with a new structure and vacuum flange modules. The carbon dioxide laser tube comprises a tube body, a lens and two vacuum flange modules, the two vacuum flange modules are bonded with the tube mouths of two ends of the tube body, the lens is installed on vacuum flange modules connected with a tube mouths, the tube body is a three-layer annular tube structure, the innermost layer of the tube body is a discharge tube, the middle layer of the tube body is a water cooling tube, the outermost layer of the tube body is a gas storage tube, a steam return is configured to communicate the discharge tube with the gas storage tube, the tube mouth at one end having the steam return is provided with a total-reflection mirror, an anode electrode is arranged at the discharge tube of one end provided with the total-reflection mirror, and an output reflector is arranged at the tube mouth of the other end, and a cathode electrode is arranged at the discharge tube of one end provided with the output reflector. The carbon dioxide laser tube with the new structure and vacuum flange modules effectively improves the vacuum seal requirement of the laser tube, reduces the occurrence of the conditions of gas leakage at the bonding positions of the lens and laser tube mouths, improves the quality and the stability of the carbon dioxide laser tube and prolongs the service life.

The invention relates to a continuous air inlet type carbon dioxide pumping formic acid laser, which comprises a far infrared laser main body, a carbon dioxide laser pumping light path and matched auxiliary equipment, the far infrared laser main body comprises a pumping end vacuum cavity, an output end vacuum cavity, a laser tube and four pieces of invar steel; the carbon dioxide pumping light path comprises a carbon dioxide laser, a first light splitting sheet and a second light splitting sheet, the pumping end vacuum cavity comprises a Brewster window, an eccentric hole copper mirror, a mirror bracket and a stainless steel cavity, and all connecting parts of the cavity are kept sealed; the eccentric hole copper mirror is fixedly arranged in the pumping end vacuum cavity; the eccentric hole of the input end eccentric hole copper mirror is used for enabling the carbon dioxide light to resonate for multiple times, so that the pumping efficiency is improved, and the high-power carbon dioxide laser is prevented from returning to a pumping light path to damage an optical device; and the output end vacuum cavity comprises a poly (4-methylpentene-1) window and a central hole copper mirror arranged in the output end vacuum cavity.

The invention relates to a manufacturing method of a multilayer wiring board, which belongs to the technical field of integrated circuit and chip processing and manufacturing. A copper foil is pasted on a polyimide film to obtain a copper foil/polyimide two-layer film, then the copper foil/polyimide two-layer film is placed above a circuit substrate and hot-pressed into a laminated board under a hot press, a ferric chloride aqueous solution is used for etching the surface of the copper foil to form a needed hole, then a carbon dioxide laser beam is used for processing the polyimide film to form a blind hole, polyimide residues in the blind hole are etched by using a soft etching solution under the action of ultrasonic waves, finally, one layer is chemically plated to obtain the required through holes, and the process is repeated to obtain the multilayer wiring board. According to the manufacturing method provided by the invention, the steps of continuously and repeatedly laminating the printed circuit board formed by the circuit, then forming the through hole, forming the blind hole through laser processing and finally electroplating are performed, so that the insulating resin layer is not damaged, the electroplating adhesive force of the bottom surface of the copper foil can be improved, and the highly reliable fine through hole can be effectively formed.

The invention discloses a carbon dioxide laser superhard film and a preparation method thereof. The film layer structure of the carbon dioxide laser superhard film is SUB/aHbLcHdM/A, wherein SUB represents a ZnSe substrate; A represents air; H represents Ge; L represents ZnS; M represents DLC; and a, b, c and d represent coefficients of the quarter reference wavelength optical thickness of each layer. According to the carbon dioxide laser super-hard film, the laser superhard film which is excellent in optical performance, good in preparation repeatability, high in film layer adhesive force and resistant to friction is obtained by using extremely few spacing film layers; the transmittance of the antireflection film at the wave bands of 10.6 microns and 9.4 microns is larger than 99.5%; and the use requirement of a laser protection window is met.