Abstract: An air product is produced in an air separation plant having a heat exchanger, an expansion/compression unit, a rectification unit, liquid storage, cold storage and an air compressor. The air supplied to the rectification unit is conducted through the main air compressor at a pressure level at least 3 bar above the highest operation pressure for the rectification unit. Cryogenic liquids are produced in a first production amount by a first operating mode, a lower second production amount by a second operating mode and a higher third production amount by a third operating mode. Cryogenic liquid is stored in the liquid storage in the third operating mode and removed from storage in the second operating mode. Cryogenic liquid is evaporated in different amounts in each operating mode, which amounts differ by no more than 10%.

Abstract: A method and system for cryogenic air separation that employs both a primary refrigeration circuit and an auxiliary refrigeration circuit is provided. The auxiliary refrigeration circuit is configured in a manner that it can be easily tied-in or modified to an existing air separation plant.

Abstract: A method for producing an air product in an air separation plant. Feed air is cooled at least in a main air compressor and is fed into a distillation column system. A fluid storage unit and a cold accumulator are used. In a first operating mode, fluid is stored in the fluid storage unit and the cold accumulator is heated. In a third operating mode, fluid is released and the cold accumulator is cooled, and in a second operating mode, fluid is neither stored nor released.

Abstract: A drying machine for pasty and/or granular substances, which comprises a supporting frame for a plurality of superimposed conveyor belts, the frame being provided with lateral openings for the passage of air, each conveyor belt being supported by a plurality of spaced rollers which are pivoted to the frame, the rollers being surrounded by spacers which are adapted to define, between the rollers and the belt, air passage spaces to optimize the drying of the conveyed substances, each roller being surrounded by a single helical body with spaced turns that define the air passage space between the roller and the belt.

Abstract: A non-oxidation heat treatment system having internal Rx gas (endothermic gas) generator includes: a heat treatment furnace whose internal environment kept to an atmosphere of an Rx gas; internal reformers for accommodating reaction catalysts for generating the Rx gas; material supply means for mixing raw gas as a material for generating the Rx gas and air to a given ratio to supply the mixture to the internal reformers; heating means disposed in the heat treatment furnace to heat an internal temperature of the heat treatment furnace to a temperature needed for annealing; and a controller disposed on the outside to control the internal temperature of the heat treatment furnace through the control of the ON/OFF and combustion loads of the of the heating means, wherein the internal reformers are loaded to the interior of the heat treatment furnace and the heating means includes regenerative type radiant tube burners.

Abstract: Provided is a thermal spray material capable of, when used in a thermal spray operation for repairing a furnace wall of an industrial furnace or for other purposes, maintaining good post-repetition bondability with respect to a target surface to thereby prevent peel-off of a resulting thermally sprayed deposit, and improving initial ignitability while suppressing dust-generating property. The thermal spray material comprised a basic compound comprising at least one of a Ca component and an Mg component, a metal Si powder, and a silica-based or alumina-silica based powder. A content rate of a fraction constituting the basic compound and having a particle size of 0.15 mm or less is 30 mass % or more with respect to 100 mass % of the basic compound, and a content rate of a fraction constituting the metal Si powder and having a particle size of 20 ?m or less is from 10 mass % to 25 mass % with respect to 100 mass % of the thermal spray material.

Abstract: An air conditioner includes a header for introducing refrigerant into a plurality of refrigerant tubes provided in parallel in a vertical direction. The header includes a main header chamber extending in the vertical direction and a plurality of sub header chambers branched in the horizontal direction from the main header chamber and provided in parallel in the vertical direction. The main header chamber includes a refrigerant inlet port configured to introduce the refrigerant in a gas-liquid mixing state in a horizontal direction into an inside of the main header chamber; and a flow direction changing mechanism provided to collide with the refrigerant ejected from the refrigerant inlet port, and configured to change a flow direction of the refrigerant from the horizontal direction to the vertical direction.

Abstract: A heat exchanger tube assembly comprising a first tube sheet, a second tube sheet opposite the first sheet, a plurality of heat exchanger tubes, each independently connects the first tube sheet and the second tube sheet, wherein the tubes are in a staggered ring configuration that comprises a concentric sequence of rings of decreasing diameter wherein adjacent tubes on the same ring are separated by a fixed radial separation angle and adjacent tubes on adjacent rings are staggered by rotating all the tubes within an inner ring by a fixed radial index angle, IA, relative to the next outermost tube ring.

Abstract: A heat exchange device includes a first section and a second section. Each of the first and second sections include flow passages configured for heat exchange between hot fluid within the flow passages and cold fluid external of the flow passages. Each of the flow passages having cold fluid flow therebetween. A separator is positioned dividing the cold fluid flow between flow passages. The separator includes two separator sheets spaced apart with a pillar matrix structurally connecting the separator sheets configured to prevent cold fluid mixing.

Abstract: A heat exchanger including a plurality of heat exchanger plates in a stacked arrangement. At least two counterflow sections are positioned adjacent each other. The counterflow sections comprise an intermediate section of each heat exchanger plate. The heat exchanger plates configured to transfer heat between a first fluid and a second fluid flowing in an opposite directions from the first fluid through a respective heat exchanger plate. At least one tent section is positioned on each end of each counterflow section. The tent sections are configured to angle the flow direction of the first and second fluids in the tent sections relative to the flow direction in the counterflow sections.

Abstract: A heat exchanger system includes a radiator and a charge air cooler. The charge air cooler includes two interconnected cores, being a first core mounted next to the radiator and a second core mounted upstream of the radiator so that air output from the first core does not pass through the radiator.

Abstract: A compressor and waste heat recovery system is disclosed in which mechanical work from a prime mover along with work generated from the waste heat recovery system are used to operate the compressor. A gas producing system is heated by waste heat from operation of the compressor to produce a stream of gas used to drive a turbine. The turbine is in work communication with the compressor. In one embodiment the gas producing system is a metal hydride. An overrunning clutch can be used with the turbine. In one form multiple gas producing systems are used, one of which to emit gas while the other is used to receive and capture the emitted gas.

Abstract: Provided is a tube for a heat exchanger, and more particularly, a tube for a heat exchanger forming a channel of a heat exchange medium and including a plurality of inner holes having inner spaces separated in a width direction by a plurality of inner walls extending in a longitudinal direction, in which a thickness of outer walls of certain regions at both ends in the width direction of the tube is formed to be thicker than that of the remaining regions, thereby improving heat exchange performance and preventing corrosion.

Abstract: A heat exchanger includes a channel structure including a first substrate in which a first channel is arrayed, and a second substrate stacked on the first substrate, in which a second channel is arrayed. The first channel has an effective area overlapping a range where the second channel is provided, when viewed in a lamination direction of the first and second substrates. The effective area includes a standard heat transfer channel part including a high temperature end, and a high heat transfer channel part including a low temperature end, which is a part of the effective area other than the standard heat transfer channel part. The high heat transfer channel part has a bent shape so that a channel length thereof per unit distance of an end-to-end distance thereof is greater than a channel length of the standard heat transfer channel part per unit distance of an end-to-end distance thereof.

Abstract: A heat exchange device includes a center manifold disposed between a first and second section, each of the first and second sections including flow passages configured for heat exchange between heat exchange fluid within the flow passages and fluid external of the flow passages. Each of the flow passages have a first end and a second end, and wherein adjacent ends of adjacent flow passages direct fluid flow in the same direction.

Abstract: A fluid heating system assembly including: a first tube sheet; a second tube sheet opposite the first sheet; a heat exchanger tube, which connects the first tube sheet and the second tube sheet; a baffle such as a plate baffle and/or an annular baffle disposed between the first tube sheet and the second tube sheet, wherein the heat exchanger tube passes through the baffle.

Abstract: A heat exchange device includes a first section and a second section. Each of the first and second sections includes flow passages configured to cool fluid. A center manifold is disposed between the first and second sections. Hot fluid enters the manifold at one end, passes through the first and second sections and cooled fluid exits the manifold at the opposing end. Each of the flow passages can have a bend at an outer edge of the heat exchange device configured to return high pressure fluid to the center manifold.

Abstract: An oil cooler comprises a cooler core having an oil fin. The oil fin includes a moveable window. The moveable window includes a base and a first flap on one side of the base. The first flap moves between a closed position and an open position. The first flap is in the open position when the cooler core is in a hot condition.

Abstract: A heat exchange device includes a plurality of flow passages. Each flow passage has an inlet and an outlet configured for hot fluid flow in a direction from the inlet to the outlet. Secondary heat transfer elements within and adjacent each flow passage have heat transfer characteristics varying in the direction of the hot fluid flow such that peak metal temperatures limit creep to acceptable values and such that transient thermal stresses are limited to values producing acceptable life of the device.

Abstract: Vehicular radiators and other heat exchangers containing carbon nanotubes (CNTs) are provided, as are methods for manufacturing nanotube heat exchangers. In one embodiment, the nanotube heat exchanger includes a coolant flow passage, an airflow path, a heat exchanger core bounding at least a portion of the coolant flow passage and the airflow path. The heat exchanger core contains a plurality of CNTs configured to enhance heat transfer from a coolant conducted through the coolant flow passage to airflow directed along the airflow path during operation of the nanotube heat exchanger. The CNTs can be, for example, single walled CNTs or other CNTs incorporated into one or more regions of the heat exchanger core by applying a nanotube coating to selected surfaces of the heat exchanger core or by producing the heat exchanger core to include one or more sintered, CNT-containing components.

Abstract: An anomaly monitoring device (10) is installed in an IGCC plant that experiences varying loads, and the device monitors a heat exchanger (20) that performs heat exchange between a carbon-containing fuel and a heat exchange medium flowing through a heat transfer tube (24). For each load on the IGCC plant, the anomaly monitoring device (10) calculates the average value and the standard deviation of a state quantity of the heat exchanger (20), calculates the Mahalanobis distance on the basis of the average value and the standard deviation, and from the calculated Mahalanobis distance determines the presence or absence of an anomaly of the heat transfer surface (28) of the heat transfer tube (24). Due to this configuration, the anomaly monitoring device (10) can more reliably detect an anomaly of the heat exchanger (20).

Abstract: Slide cover plate assemblies for accessing internal components housed within a slide of a pistol in accordance with various embodiments of the invention are disclosed. In one embodiment, a slide cover plate assembly for accessing internal components housed within a slide of a pistol, includes a first plate having an opening to mate with a button of a second plate, the first plate includes at least one contact portion and a mating portion, where the mating portion is in contact with the slide, the second plate includes the button, a corresponding contact portion, and an interior face, where the interior face receives a force exerted by a firing pin spring housed within the slide, and where the button receives a manual pressure applied by an operator, where the received manual pressure counteracts the force exerted by the firing pin allowing the slide cover plate assembly to disengage from the slide.

Abstract: A magazine loader having a base member and support members, the base member being configured to sit upon the magazine fixed to a rifle, the base member having a first end wall, a second end wall, and a pair of sidewalls defining a rectangular shape, wherein the first end wall has an opening that allows the base member to sit upon the magazine fixed to a rifle, wherein an entirety of the second end wall and an entirety of each of the sidewalls are coplanar, wherein the support members have a first support member and a second support member each extending from a top surface of the base member, wherein the first support member has a plurality of support lips that forms a channel that is capable of accepting a retainer strip of cartridges, and wherein the second support member receives a bullet end of a cartridge, and related methods.

Abstract: An IDAS compatible weapons mounting platform for a helicopter, such as the UH-1, that allows two weapon stores, including Hellfire, to mount to each side of the aircraft. The platform is compatible with a broad array of weapons, such as the Hellfire and other smart weapons, and increases the total weapon payload to 1,000 lbs per aircraft side, while having positive safety margins throughout the flight profile.

Abstract: A device for adjusting the level of a shooting rest. The device includes a triangle-shaped insert having a sloped first side that can receive the shooting rest thereon. A second side of the insert includes a plurality of slots that extend along the length of the insert, toward the first side. Each slot corresponds to a different level in which the shooting rest can be adjusted to when the insert is engaged therewith. An aperture on the insert receives a cord, wherein the cord can form a loop around the shooting rest for securing the insert thereto. The device is used with an existing tree stand or, in some embodiments, includes a tree stand. The insert receives the shooting rest against the first side thereof and the second side further secures to the tree stand, thereby providing adjustability of the insert for repositioning the level of the shooting rest.

Abstract: A method and apparatus for firearm training simulator which simulates realistic recoil of conventional firearms. The method and apparatus incorporates a linear motor and controllable mass for generating recoil. One embodiment includes an adjusting system for adjusting the amount of recoil provided. Also provided are means for simulating semi-automatic and/or full automatic operation of firearms. One embodiment can include a laser emitter which simulates the path for a bullet fired from a firearm that the method and apparatus is simulating.

Abstract: A pneumatic regulator assembly for a paintball marker includes a first body portion with a connector at one end for attachment to a paintball marker, a second body portion with a connector at one end for attachment to a compressed air canister, and a collar coupled between the two body portions at ends opposite the connectors for each. The collar allows the second body to rotate relative to the first body portion.

Abstract: A sling keeper for securing a sling to a firearm during storage or transport of the firearm. The sling keeper comprises a first strap and a second strap. The first strap includes a length defined by a first end and a second end, and a length. The first strap may include a first securing mechanism disposed proximate the first end and a second securing mechanism disposed proximate the second end. The first securing mechanism is mate-able with the second securing mechanism. The second strap has a first end coupled to the first strap between the first end and the second end of the first. The second strap has a second end, and a third securing mechanism disposed proximate the second end. The second strap or the first strap may include at least a fourth securing mechanism, wherein the fourth securing mechanism is mate-able with the third securing mechanism.

Abstract: A suit jacket comprising a holster paddle which contains a concealed weapon. The wearer of the jacket can remove the weapon quickly which allows the wearer the ability to better defend himself from an attacker. The suit jacket contains an interliner which is made of a strong yet lightweight material which secures the holster paddle and weapon to the suit jacket. The holster paddle and weapon can accommodate a wearer who is either right-handed or left-handed. Additionally, the holster paddle can be curved to the wearer's abdomen so that concealment of the weapon is greatly improved. The suit jacket also contains an ammunition paddle capable of holding additional clips of ammunition.

Abstract: A holster which obscures presence and identity of the handgun held by the holster is disclosed. The holster comprises an L-shaped frame having a pin. The handgun is installed on the holster by inserting the pin into the barrel of the handgun. The L-shaped frame combined with the installed handgun collectively form a parallelepiped of thickness equal to that of the handgun. The handgun is disguised by visually meshing in complementary fashion with the holster, when concealed beneath a fabric of an article of apparel.

Abstract: Head up displays are provided. A head up display may have a base adapted for mounting to a firearm; a window positioned by the base so that a user of the firearm can observe a field of view through the window; an illuminator operable to generate a divergent illumination light; a light valve configured to modulate the divergent illumination light in accordance with an image provided by an image generator; and a collimating optic in an optical path between the light valve and the window that substantially collimates the image modulated illumination light. The window reflects at least a portion of the image modulated collimated light so that the observer observes the image substantially in focus with objects in field of view. Images presented may include data and images, including but not limited to thermal images.

Abstract: A set of temporary sights to fit on a scope has a first sight unit comprising a stretchable, resilient first ring adapted to be positioned on an end of the scope, a single, radially-protruding first sight member, a second sight unit comprising a stretchable, resilient second ring adapted to be positioned on an end of the scope, a radially-protruding sight comprising two uprights protruding from the ring, a top closure and a horizontal crosspiece connecting the uprights between the top closure and the second ring. The top closure, uprights and second ring may define a rectangular opening bisected by the horizontal crosspiece to define an upper and lower opening. The first sight unit may be adapted to mount over the front end of the sight, and the second sight unit is adapted to mount over the rear end of the sight.

Abstract: In one embodiment, the disclosure relates to a turret for a firearm. In another embodiment, the disclosure relates to a turret zero stop.

Abstract: A hinged archery sight for a bow for shooting arrows includes an oval configured sight portion when the hinged archery sight is disposed in a substantially vertical position, and a substantially annular configuration when the hinged archery sight is disposed in a predetermined angular position corresponding to an archer's draw on the bow string. The hinged archery sight also includes hinged portion for pivotally securing the archery sight to a bow string. To maintain a predetermined optimum position of the hinged archery sight on the bow string, securing spikes are integrally joined to inner walls of bow string receiving recesses such that pointed ends of the securing spikes radially penetrate the bow string when the hinged archery sight is secured about the bow string.

Abstract: A quickly releasable vest capable of protecting a torso portion of a user is disclosed. The quickly releasable vest includes a self locking buckle assembly, a ferrule, an elongated strip, and a socket member. The self locking buckle assembly comprises a wedge fork with a base portion and a body portion, the base portion comprising a security means for webbing and the body portion comprising a pair of legs and a ferrule guide member. The ferrule is adapted to be slidingly disposed on the ferrule guide member. A proximal end portion of the strip is connected to a tape guide member of the ferrule. An opening on the socket member facilitates removably retaining and locking of a prong on each of the pair of legs. The wedge fork, ferrule, and elongated strip Is disposed on a torso panel and the socket member is disposed on the other torso panel.

Abstract: A laser composite system, comprising a plurality of lasers (10) and a laser range finder (13), the lasers (10) being kilowatt lasers, and the laser range finder (13) being used for determining the distance to a target object, and on the basis of said ranging results, controlling the focus of the plurality of lasers (10). High power such as that of a megawatt laser can be achieved by combining the plurality of kilowatt lasers (10), and, by using the laser range finder (13), the lasers (10) can automatically focus on a distant target object, thus resolving the problem of the inconvenience of aspects of high power lasers such as manufacturing and loading platforms, and the smaller scale is easy to transport and suited for use as an automated, very strong laser cannon.

Abstract: The present invention provides a bullet collecting box which is installed with a plurality of rubber plates in the bullet collecting box having a rectangular parallelepiped shape and filled with rubber powder filling materials having a particle size of 0.1 to 3 mm therein, thereby collecting the bullets fired in the indoor shooting range without damage, and a bullet collecting system which can be used by installing the bullet collecting box in the indoor shooting range. Also, the present invention provides a bullet collecting system for preventing occurrence of lead fume in the indoor shooting range, in which the beaten zone of the indoor shooting range is newly improved from an existing system of using an iron plate to a system of using powder filling materials, thereby preventing the leakage of lead fume, and contributing to an early normalization of the shooting range and a creative national defense.

Abstract: Disclosed is a dart pin according to an embodiment of the present disclosure to implement the aforementioned object. The dart pin includes: a tip forming one end of the dart pin and having one end which may contact a dart target of a dart game apparatus; a barrel of which one end is coupled with the other end of the tip to form a body of the dart pin; a shaft of which one end is coupled with the other end of the barrel; and a flight forming the other end of the dart pin and having one end coupled with the other end of the shaft, and herein, a user identification module may be coupled to one of the tip, the barrel, the shaft, and the flight.

Abstract: Described are spherical projectiles such as used in birdshot, buckshot, or single ball spherical projectiles, including slugs, muzzle loading projectiles, or any close-to-bore diameter projectile, that is auto-segmenting or self-segmenting upon impact with a target. The projectile or shot disclosed herein retains its shape and structure during flight until impact with soft tissue, whereupon its individual sections separate or segment in a controllable manner, each portion of the projectile imparting or depositing a high amount energy to the tissue and target. The auto-segmenting spherical projectiles can be frangible or non-frangible. This disclosure also provides cartridges such as shotshells that are loaded with the projectiles described herein.

Abstract: A device is provided for use with a reference tool during the construction of metal structures. The device comprises a body having a groove formed therein for receiving a portion of a straight side of the reference tool. The body further comprises a base surface for co-operating with the surface of a metal workpiece. The base surface is configured whereby, when a portion of the straight side is received within the groove, the base surface is parallel to the straight side of the reference tool. A retention assembly is mounted on the body for retaining the portion of the straight side of the reference tool, when provided, within the groove. At least one magnet is mounted on the base surface for temporarily holding the device to the metal workpiece, thereby holding the reference tool in position.

Abstract: A method for machining a scale of a position-measuring system is provided for such a scale having, on a first surface, a measuring graduation and, on a second surface, is attachable to a carrier body. The first and second surfaces are bounded respectively by first and second edges in a region of a lateral peripheral side edge. The scale is machined to produce a defined outer contour of the scale such that a raised ridge of material is formed at each of the first and second edges. The scale is machined differently at the first edge than at the second edge in such a manner that a dimension of the raised ridge of material at the first edge perpendicular to the first surface is smaller than a dimension of the raised ridge of material at the second edge perpendicular to the second surface.

Abstract: A device and method for measuring the thickness and position tolerance of a wheel bolt hole. The device includes a screw, a handle, a detection pillar and a base plate, where the handle and the base plate are fixed via the screw; the detection pillar is fixed onto the base plate through interference fit; and the detection pillar a bolt hole. The position tolerance and thickness of a bolt hole are measured simultaneously, and the labor intensity is reduced, and the existing bolt hole position tolerance detection tool can be modified for the use as the tool of the device, saving costs. The tool can detect the thickness of a bolt hole and qualitatively determine the range where the difference between the value of bolt hole thickness and the standard value approximately lies, and can be used for the grading of bolt hole thickness values based.

Abstract: Methods, kits, systems, and apparatuses, for measuring and/or verifying end effector flatness using electrical continuity are provided.

Abstract: An optical position-measuring device includes a scale and a scanning reticle, whose relative position is determinable in three linearly independent spatial directions using interfering light beams. A splitter grating is disposed on the scanning reticle and adapted to split light into sub-beams of different diffraction orders. An optical grating is disposed on the scale and adapted to further split the sub-beams and to recombine them after they have been reflected back from the scanning reticle. Grating fields configured as phase gratings are disposed on a side of the scanning reticle that faces the scale. The grating fields act as diffractive optics that influence the further split sub-beams. The grating fields have different step heights. An output grating is disposed on the scanning reticle and adapted to output, as interfering sub-beams, light that has been multiply reflected between the scale and the scanning reticle.

Abstract: A method and system for instantaneous time domain optical coherence tomography (iTD-OCT) provides instantaneous optical depth profiles in an axial direction to a sample having scattering properties or that is at least partially reflective. An iTD-OCT instrument includes a spectroscopic detector having an internal optical axis and an array of detector pixels. A reference beam having a fixed optical path length is superpositioned along the optical axis with a measurement beam that includes back-scattered photons from the sample. The detector pixels capture a time domain interference pattern arising within the spectroscopic detector due to optical path length differences between photons from the reference beam and photons from the measurement beam. The iTD-OCT instrument may be implemented as a robust solid-state device with no moving parts.

Abstract: The tomographic image capturing device of the present invention comprises a display means (18) configured to: split light from a light source (11) into measurement light and reference light and cause the measurement light and the reference light to be incident to an object (E) and a reference object (49), respectively; capture tomographic images of the object (E) on the basis of interference light generated by superposition of the measurement light reflected from the object (E) and the reference light reflected from the reference object (49); and display tomographic pictures of the object generated on the basis of the captured tomographic images. The tomographic image capturing device has a first image capturing mode and a second image capturing mode. The first image capturing mode is a mode in which the measurement light is two-dimensionally scanned by raster scan to be incident to the object (E) and the tomographic images of the object (E) are captured.

Abstract: A sensor is disclosed that provides measurements in multiple degrees of freedom without significantly increasing size, complexity, or cost. The sensor can include a light component in support of a first light source operable to direct a first beam of light, and a second light source operable to direct a second beam of light. The sensor can also include an imaging device that can directly receive the first beam of light and the second beam of light and convert these into electric signals. The imaging device and the light component can be movable relative to one another. The sensor can further include a light location module and/or a position module configured to receive the electric signals and determine locations of the first beam of light, the second beam of light on the imaging device and a relative position of the imaging device and the light component.

Abstract: A portable articulated arm coordinate measuring machine (AACMM) having an integrated camera captures 2D images of an object at three or more different poses. A processor determines 3D coordinates of a smoothly continuous edge point of the object based at least in part on the captured 2D images and pose data provided by the AACMM.

Abstract: The invention relates to a device and method for detecting the wheel center depth of an aluminum wheel cast blank, the device includes a roller way tray, a position sensor, a frame, a CCD camera, a programmable controller and a laser distance measurement sensor, an upper servo-cylinder, a motor support, a servo-motor and a lower servo-cylinder. The invention has the following advantages: the method for automatically detecting and identifying the wheel center depth of an aluminum wheel cast blank is utilized for the identification and classification of wheel cast blanks, so as to reduce the influence of large casting dimension tolerance on the machining dimension tolerance, increase the acceptability rate of products from the automatic machining unit, ensure that the production line automatically runs with high quality and quantity and also reduce the labor intensity of operators.

Abstract: A purpose of the present invention is to provide: a pattern height measurement device capable of high-precision measurement of the dimensions of a fine pattern, in the height direction; and a charged particle beam device. In order to achieve the purpose, this pattern height measurement device comprises a calculation device that finds the dimensions of a sample, in the height direction, on the basis of first reflected light information obtained by dispersing light that is reflected when the sample is irradiated with light.