Abstract: An apparatus and method for adjusting the position of a load port utilized in a semiconductor wafer processing system. Generally, a door opener can be configured for opening a door through which a semiconductor wafer may enter for subsequent positioning and processing thereof by a semiconductor wafer processing system. A load port is associated with the door opener. A calibration mechanism can then be utilized for calibrating the load port for leveling and height positioning, such that a plurality of directional axis associated with the load port do not interfere with one another, thereby conserving calibration time while permitting a single individual to perform calibration operations thereof.

Abstract: An alignment apparatus, system and method of alignment for motorcycle is disclosed. The apparatus typically includes an elongated threaded rod and two internally threaded cones that screw onto either end of the rod in opposition. The alignment system typically includes two of the apparatuses, one to be fitted within the rear axle and the other to be fitted within the swing arm pivot shaft. The distance is measured between the ends of the rods on either side of the motorcycle and the rear axle is adjusted until the distances are equal. The rear wheel is then in alignment with the motorcycle.

Abstract: An accurate system (501) for the magnetic alignment of an imaging subsystem (468) of an image processing apparatus (10) includes: 1) a master alignment fixture (534) including: a) two like, magnet-attracting translation-bearing rods (206, 208); b) a drum axis tool (526) or drum (300); c) a device (535) for supporting the translation-bearing rods (206, 208) in a parallel, planar relationship; d) a device (540) for supporting the drum axis tool (526) or drum (300) parallel to the translation-bearing rods (206, 208); and e) a device (546) for measuring and aligning the translation-bearing rods (206, 208) in relation to the parallel drum axis tool (526) or drum (300); and 2) a removable set apparatus (502) attachable to the master alignment fixture (534), including: a) a tube (506) or rod; b) aligned, downwardly extending first set arms (510) with magnets (518) attached, the magnets being detachably attachable to the translation-bearing rod; and c) at least two second, extended arms (511) that are detachably at

Abstract: A stud spacer having a light frame with a row of stud-receiving spaced notches-with inverted U-shaped liners attached to forward and rearward walls. The frame is formed by two elongated sections of L-shape in cross section. Two legs of adjusting length support the frame. The liners have walls inclining outwardly at their lower ends.

Abstract: A method and an apparatus for providing nanometer precision motion are provided. According to the invention, a parallel kinematic micromanipulator is formed using at least three kinematic links. The kinematic links may include a high resolution, non-contact encoder to provide position information. Movement of the micromanipulator is effected using piezoelectric linear actuators provided in connection with each of the kinematic links. The combination of a parallel kinematic structure and piezoelectric linear actuators provides a micromanipulator capable of positioning components or instruments with high accuracy or repeatability. In accordance with the present invention, kinematics of three and six degrees of freedom may be provided.

Abstract: A line guide for enabling a single person to complete the installation of refrigeration lines in a pre-built structure. The line guide is adaptable to both wood and metal frame construction. In one embodiment, the line guide has a unitary body comprised of an attachment bracket with a guide tube formed therein. The guide tube's axial orientation changes over its length. The guide tube's change in axial orientation may be fixed or variable. In addition, the guide tube may be detachable from the bracket enabling guide tubes of different fixed orientations to be used in combination with the same bracket. In another embodiment, the line guide is adapted for use in retrofit building applications. A guide tube is positioned through a hole formed in the soffit of the structure thereby allowing access to the overhead space. Annular bracket fittings help secure the guide tube in the soffit hole.

Abstract: An aligning mechanism having stage mechanisms, each of which is composed of a first stage capable of moving in the direction in which a fiber array b advances to and retreats from a waveguide type optical member a, a holding section sustaining member 2 for the fiber array and a second stage 5 capable of moving in the direction perpendicular to the direction in which the fiber array spreads, wherein angle adjusting mechanisms 6 and 7 capable rotating around the rotation axis perpendicular to both the said directions are provided between the first and second stages and the holding section sustaining member and the second stage.

Abstract: An assembly aid in which a self-adhesive component can be placed and with which the component is precisely positioned on or relative to a surface for adhesion. The assembly aid having a template-like structure. Thus, the assembly aid has an opening that is matched to the component, wherein the component itself is held within the opening and is thus fixed exactly in place in the template. The assembly template has an outside contour by which precise positioning for attachment of the component to the adhesion surface is accomplished. Not until it has been definitively positioned is the component, which can be freely moved with the template over the surface, pressed out of the template against the adhesion surface.

Abstract: A printing plate is held at one point thereof by a holding portion provided at a surface plate. When pushed by a pushing portion, the printing plate is only rotationally displaced. Thus, an angular error is substantially eliminated and displacement of the printing plate is small. Then, the pushing portion positions the printing plate in a direction perpendicular to a direction in which the surface plate can be moved. Then, movement of the surface plate positions the printing plate in the direction in which the surface plate can be moved.

Abstract: In order to measure a two-wheeled vehicle frame, in which an essentially U-shaped measurement bracket (12) with two limbs (13) and an upper crossbar (14) is inserted, centered, into a retaining hole (5) which is at right angles to the longitudinal axis, and is moved to a fixed angular position, an optically acting component (9) is mounted in a defined position relative to the steering axis (2) of the two-wheeled vehicle frame, and a relative position between the measurement bracket (12) and the optical component (9) is fixed by means of a beam path between the measurement bracket (12) and the optically acting component (9), the invention provides that the optically acting component (9) is mounted in the headstock (1) without any play but such that it can rotate, using an adjustable-height insert (7) which in provided with a first scale, the crossbar (14) is provided with a horizontal marking (18) and with a central horizontal second scale (17), the crossbar is provided with an optically acting surface (16), w

Abstract: Fence post positioning and leveling apparatus comprising in combination a first post-embracing frame member having an operable and closeable side wall having an inner face defining in a closed mode a post-receiving chamber; rotation means to allow of the opening and closing of the side wall; releasable fastening means to hold the side wall in the closed mode; a second post-embracing frame member having an operable and closeable side wall having an inner face defining in a closed mode a post-receiving chamber; and inter-frame elongate member positioning means adapted to be connected to the first and the second frame members to provide a desired fixed inter-frame member distance. Preferably the inter-frame positioning means comprises a pair of telescopic forks. Each of the frame members preferably has a vertical spirit level and a horizontal spirit level.

Abstract: A method is disclosed by which precision alignment of optical fiber to wave-guide or other optical elements can be carried out with an adjustable microstructure in active alignment mode fiber attachment. A microstructure containing three elongated U-grooves can be combined effectively to produce a movable and adjustable V-groove structure, which can be used to achieve sub-micron scale alignment control with zero rotational torque. This device not only makes fiber alignment easy and fast but also maintains the fiber attachment position after alignment and epoxy bonding. Multiple fiber array alignment can be carried out with only a global alignment of two end fibers.

Abstract: In a guiding apparatus for positionally accurate docking of a testing head for electronic components to a handler or prober, a guiding pin (7) is provided, arranged to be displaceable in a direction normal to its longitudinal direction on an attachment block (10) attached on a testing head or handler/prober. Within the attachment block (10), a taper pin (11) is provided longitudinally displaceable and carrying a taper tip (12) on its end facing the guiding pin (7). The guiding pin (7) has a centering recess (23) on its side facing the taper pin (11). The taper tip (12) can be brought into and out of engagement with the centering recess (23), wherein by inserting the taper tip (12) into the centering recess (23) a predetermined position of the guiding pin (7) with respect to the attachment block (10), and therefore with respect to that device, which carries the guiding pin (7), can be achieved.

Abstract: A precision, hardened, radially relieved locating pin (20) comprised of a pair of cylindrically ground radially opposed locating segments (22), a pair of radially opposed radial reliefs (26) adjacent to locating segments (22), a chamfered lead portion (30) and a mounting/attachment portion (32) which be of any suitable configuration allowing interchangeability with diamond pin designs. The locating segments (22), chamfered lead (30) and mounting/attachment portion (32) are machined concentric about a common centerline (34). The radially opposed radial reliefs centerlines (36) are offset (38) from, although parallel to, common centerline (34). The amount of offset (36) is a direct function of desired travel (40) allowed between locating pin (20) and feature it is locating (42). The width (44) of radially opposed locating segments (22) is currently a percentage of segment diameter (24). Relieved locating pin (20) is to be of hardened steel and requires no custom machines or custom tooling to manufacture.

Abstract: A method for aligning an extraction electrode to an arc chamber of an ion implantation apparatus can be carried out by first providing a calibration tool that is shaped essentially of a flat key that has sections of different widths. The extraction electrode can then be tilted by switching on a tilt motor, while being moved parallelly by switching on an alignment motor until the calibration tool can be smoothly inserted into the slit openings in the arc chamber and in the extraction electrode. The tilt motor and the alignment motor are controlled by a tilt/align controller. When such insertion is not possible, the extraction electrode can be continuously tilted and moved parallelly until such smooth insertion is possible. The present invention further discloses a calibration tool that can be used easily for aligning an extraction electrode to an arc chamber of an ion implantation apparatus.

Abstract: A position measuring apparatus for an alignment of an array of devices such as a thin film magnetic heads on a semiconductor wafer with a high degree of accuracy and satisfactory reproducibility, comprising, on a base, an object holding unit on which an object to be measured, an X-stage, a portal sub-base arranged across over the X-stage, a Y-stage arranged on the portal sub-base, a TV microscope (detector) capable of movement in a Z-axial direction, a ball circulation type linear guide and a motor for driving and guiding the X-stage and the Y-stage, an X-axial straight bar and a Y-axial straight bar attached to side surfaces of the object holding unit, and triangulation type laser displacement meters arranged in the vicinity of and in opposite to the X-axial bar and Y-axial bar, for detecting lateral motion errors during straight movement of the holding unit in the X- and Y-axial direction with a high degree of accuracy.

Abstract: A method and apparatus provides a technique for uniformly spacing deck boards on a deck, as well as protecting the joists of the deck. The invention provides a deck spacer that can be placed over a joist between adjacent deck boards to provide uniform spacing, as well as to cover and protect the portion of the joists which would otherwise be left exposed by the gap between adjacent deck boards.

Abstract: A method and an apparatus for providing nanometer precision motion are provided. According to the invention, a parallel kinematic micromanipulator is formed using at least three kinematic links. The kinematic links may include a high resolution, non-contact encoder to provide position information. Movement of the micromanipulator is effected using piezoelectric linear actuators provided in connection with each of the kinematic links. The combination of a parallel kinematic structure and piezoelectric linear actuators provides a micromanipulator capable of positioning components or instruments with high accuracy or repeatability. In accordance with the present invention, kinematics of three and six degrees of freedom may be provided.

Abstract: An intrinsic gauging device for a ferrule type tube fitting of the type having a coupling nut, a coupling body and at least one ferrule, includes a precisely formed marking on the coupling body that is visually perceptible when the coupling is in a finger tight position, and that is covered or visually imperceptible or otherwise has a predetermined relationship with the coupling nut when the fitting has been initially pulled-up. In a preferred form, the marking is realized as a precision groove or recess machined into a surface of the coupling body. The groove can be made more easily visually perceptible such as by roughening or knurling the surface, or coloring the surface, for example. The groove defines an edge at a precise position that corresponds to a predetermined axial displacement of the nut relative to the body for initial pull-up.

Abstract: A measurement module for measuring particularly the surface of wafers is described, which comprises a measuring device and a measuring table that has a wafer table equipped with a rotary drive. The design of this measurement module should be as compact as possible. To this end, the wafer table (10) is cup-shaped with at least one support edge (13, 14) for a wafer (4, 4a, 4b), which is provided with an adhesive material. A wafer aligning device (30) is arranged in the interior of the wafer table (10). A displaceable measuring head (7) in which a measuring device and a notch detector are integrated is disposed above the wafer table.

Abstract: An alignment tool for assembling a rear plate and a frame of a flat display panel is introduced. The rear plate includes a front surface, a rear surface opposing to the front surface for adhering with the frame in an aligning process, and an alignment mark located at the front surface. The alignment mark has a predetermined thickness and is protruded from the front surface. The alignment tool includes a base, a clamp arm and an upper arm. The base further includes a base top surface and an alignment notch. The base top surface is used for contacting with the front surface of the rear plate and the alignment notch has at least two alignment sides for matching with the alignment mark. The clamp arm is protruded from the base, and the upper arm is protruded from the clamp arm and used for aligning with the frame. The upper arm includes an arm lower surface parallel to and spaced apart from the base top surface by a predetermined distance for forming an open space in between.

Abstract: An alignment tool, method and system are provided for aligning a robot blade and a cassette in a workpiece handling system, in which the tool comprises a frame or fixture adapted to emulate a plurality of different types of cassettes. The frame is adapted to be supported by a cassette handler system and includes a plurality of alignment and registration surfaces adapted to emulate corresponding alignment and registration surfaces of a cassette. A removable H bar may be attached to the frame in a plurality of selectable positions to emulate one or more of a plurality of different cassette H bar positions of different types of cassettes. A kit of selectable and removable rear guide rails permit one pair of rear guide rails to be substituted for another pair of rear guide rails to permit the frame to emulate the particular rear guide rail arrangement of a plurality of different cassettes.

Abstract: An adjustable end arm effector alignment system and process is provided. The system includes an arm having a working end and an alignment support in a known location relative to said arm. An adjustable end arm effector including at least two alignment members is attached to one of said working end of said arm and said alignment support. A control system is also provided that is operable to move the working end of the arm into a first and a second alignment position, each permitting appropriate adjustment of the adjustable end arm effector with respect thereto.

Abstract: An alignment tool is used for aligning an air data sensing probe relative to an aircraft axis has an alignment tool mounting plate that fits over the air data sensing probe base plate and is doweled in position on the air data sensing probe base plate. The alignment tool has a level and incline indicator positioned at a known relation to an axis of the air data sensing probe. The probe base plate and alignment tool are mounted on the aircraft, and the level and incline indicator is used to determine when an aligned position of the air data sensing probe is reached by rotating the alignment tool and probe base plate. The probe base plate of the probe is then fixed in position, and the alignment tool is removed. Bores are formed in the aircraft wall for holding dowel pins extending between the aircraft wall and the probe base plate.

Abstract: A mounting plate assembly for use in aligning electrical and plumbing components of a toilet flush valve installation includes a pair of rails having openings therein for use in attaching the assembly to wall studs of variant spacing. There is a plate with openings and fasteners on the plate and rails for variable mounting of the plate to the rails. The plate has an opening for installation of an electrical box and at least one opening for a water inlet pipe. A pipe locater is used to properly position a pipe within the plate opening. There are openings at upper and lower portions of the plate to insure its correct vertical alignment with a water drain from a toilet fixture.

Abstract: A tile spacer is provided which can be used to create consistent gaps between tiles in a tile floor installation. The spacer is in the form of a cross having a center and four arms extending outwardly from said center with each arm positioned at an angle of about ninety degrees from each adjacent arm, and each arm has a predetermined width for forming a space of desired width between adjacent tiles placed on a substantially flat, adhesive-coated surface which will be subsequently filled with grout, and a groove of predetermined shape connecting the diagonally opposed intersections between the arms forms a raised bead in the adhesive for providing further support for the tiles and grout once the adhesive cures.

Abstract: A steering wheel alignment system for a vehicle includes an outer shaft for operative connection to a steering unit and an inner shaft for operative connection to a steering wheel. The steering wheel alignment system also includes a coupling disposed between the inner shaft and outer shaft to allow engagement and disengagement between the steering wheel and the steering unit for alignment of the steering wheel with wheels of the vehicle.

Abstract: To prevent process defects and wafer damage caused by improperly positioned wafers, a system and method for detecting a position of a wafer determines whether the wafer is properly positioned before executing a process. The system includes a chuck plate preferably having a supporting part configured to support a lower face of the wafer and a guide part located on a perimeter of the supporting part. A sensing unit senses a positional state of the wafer on an upper portion of the supporting part. A controller receives a signal corresponding to the positional state of the wafer from the sensing unit, and determines whether the wafer is properly positioned. The controller then sends an output control signal to an outputting unit to notify an operator of the wafer position. In this manner, process defects are avoided and a fabricating yield and operating rate of a fabrication unit increases.

Abstract: A method for manufacturing a highly reliable alignment mark in which by-products do not form at an aligning mark position during patterning. In this method, an intermediate layer is disposed on an upper layer of a first wiring to protect the first wiring. Then, a filling material is coated thereon to fill in a through hole. Thereafter, a plug is formed by etch-backing, and a second wiring is formed.

Abstract: Scribe lines for increasing a wafer utilizable area are provided. The scribe lines include at least a first scribe line arranged in a first direction in a first gap of a plurality of dies, and at least a second scribe line arranged in the first direction in a second gap of the dies. The first scribe line includes at least an alignment mark or a test key, therefore having a width greater than a width of the second scribe line that is provided for dicing a wafer into a plurality of individual dies. In addition, the scribe lines further include a plurality groups of scribe lines arranged in different directions, and each group of the scribe lines may have various scribe line widths.

Abstract: For measurement of an error of alignment between first and second patterns overlappingly formed on a same substrate, first and second alignment reference marks of predetermined symmetric shapes are formed at a predetermined position of the substrate during formation of the first and second patterns. The first and second marks formed on the substrate are detected optically to obtain dimension detection data of the first or second mark as well as respective position detection data of the first and second marks. Respective symmetry centers of the first and second marks are determined on the basis of the respective position detection data of the first and second marks, and then an error of the alignment between the first and second patterns is determined on the basis of a positional deviation between the symmetry centers of the first and marks.

Abstract: A bolt centralizer for a rock bolter, which advances a bolt along a work axis, has a hand pivotably mounted on an arm so as to pivot between first and second hand positions. A pair of fingers is pivotably attached to the hand. When the fingers are in a closed position, they form a centralizer passage which is aligned with the work axis when the hand is in the first hand position. The hand is pivoted to the second hand position to remove the fingers from the bolt to allow a bolt plate and bolt driver to be advanced past the hand.

Abstract: The invention relates to an apparatus (40) and a method of aligning an edge (7) of a textile material web (43). Said material web (43) is delivered so as to lie at least in sections flat on top of a work surface (10) and, while lying on the work surface (10), is conveyed in a conveying direction (9) by means of a conveying device (11, 12a, 12b). An adjusting member (46, 47) is applied from above at least in sections against the material web (43) in the course of conveying in conveying direction (9) in the region of at least one edge (7) extending parallel to the conveying direction (9), wherein the material web (43) is at least slightly pressed between adjusting member (46, 47) and work surface (10). The adjusting member (46, 47) is, on the one hand, displaceable synchronously with the conveying motion of the material web (43) parallel to the conveying direction (9).

Abstract: An apparatus and method for aligning a housing such as a flywheel housing with a crankshaft or other rotating member. The apparatus includes a main shaft and a mount by which the main shaft is mounted to the center axis of a member rotating in a housing. A sleeve is received upon and rotates relative to the main shaft and is provided with a mount for a dial indicator. The dial indicator is positioned so that any misalignment between the rotating member and the housing is output by the dial indicator as the sleeve is rotated relative to the housing. Depending upon the output of the dial indicator, the position of the housing is changed relative to the rotating member to align the center axis of the rotating member with the center axis of the housing.

Abstract: A concentric alignment assembly device for assembly of a first component and a second component. The concentric alignment assembly device includes a first base and a second base for receiving the first component and the second component. The first base has a pedestal and an adjusting portion, in which the adjusting portion is movably and rotatably coupled to the pedestal, and has a first platform for receiving the first component. The second base is provided on a side of the first base, and is movable within a fixed range and direction in relation to the first platform. When the second base moves toward the first base, the adjusting portion adjusts radial displacement and axial deviation of the first component in order to assemble the first component and the second component.

Abstract: A method and an apparatus for providing nanometer precision motion are provided. According to the invention, a parallel kinematic micromanipulator is formed using at least three kinematic links. The kinematic links may include a high resolution, non-contact encoder to provide position information. Movement of the micromanipulator is effected using piezoelectric linear actuators provided in connection with each of the kinematic links. The combination of a parallel kinematic structure and piezoelectric linear actuators provides a micromanipulator capable of positioning components or instruments with high accuracy or repeatability. In accordance with the present invention, kinematics of three and six degrees of freedom may be provided.

Abstract: An apparatus and method to measure, establish and implement a desired range of travel allowed a reclining seat back portion of an airline seating accommodation. The invention, utilizing one or more base unit positioning templates is abutted to one or more seating accommodation foot structures to provide for accurate measurement positioning. A measurement bar restriction component is adjustably positioned to indicate a desired maximum reline position for said seat back portion, and a pivotally attached measurement bar is raised perpendicularly therefrom to a vertical orientation. Said raised measurement bar's uppermost end providing a reference point against which said seat back portion's initial contact indicates a maximum reclined position.

Abstract: A structure, a fabrication method and an application of an overlay mark. The overlay mark structure has an outer mark and an inner mark. The outer mark encloses a cross area that has two central axes. The inner mark has four strip patterns arranged in two central axes and extend outwardly towards four directions from the central part of the closed cross area.

Abstract: A structure, a fabrication method and an application of an overlay mark. The overlay mark structure has an outer mark and an inner mark. The outer mark encloses a cross area that has two central axes. The inner mark has four strip patterns arranged in two central axes and extend outwardly towards four directions from the central part of the closed cross area.

Abstract: An alignment wafer for a semiconductor processing tool has a disk having a radius of a standard semiconductor wafer. The disk is formed of a flexible, substantially non-deformable material. A concentric transparent disk is inside of the disk.

Abstract: A tool and method for adjusting the direction of a spray nozzle is provided. The tool and method provide a way to angular the direction of a spray nozzle, and also to record and rest angular direction of a spray nozzle when the angle is changed in use. The tool includes a tool body having an aperture through the body sized to fit over a fixed part of the nozzle and an indicator arm pivotally mounted to the tool housing body that can be aligned with the angle the moveable part of the nozzle. To record the angular position of the nozzle, the tool can be placed on the tool body and the indicator arm can be positioned at an angle that corresponds to the angle of the nozzle. To adjust the angle of the nozzle, the indicator arm can be positioned at a predetermined angle, and the nozzle can be aligned with the indicator arm.

Abstract: A fixture is provided for holding a part for a machining operation. The fixture includes a base assembly and a locator assembly. The part is placed in the base assembly and held by floating supports and spring clamps that permit a small amount of adjustment of the part in the base assembly. The locator assembly is then moved into its engaged position with the base assembly to fix the part into its machining position by adjusting the part relative to the floating supports and spring clamps. A mechanism on the base assembly is then used to fix the floating supports to hold the part in the machining position. Finally, the locator assembly is rotated into the disengaged position and the part can be machined as necessary.

Abstract: A pipe fitting method and apparatus for taking simultaneous linear and angular measurements is used for pipefitting. A first pipe joint fitting of a pipe fitting apparatus herein disclosed is attached to a first pipe joint, a second pipe joint fitting of the pipe fitting apparatus is attached to a second pipe joint, and the first pipe joint is attached to a first unconnected end of a first pipe-to-be-joined. Then, the pipe fitting apparatus is extended to an extended length thereof, while an angle measuring device of the pipe fitting apparatus simultaneously maintains an angular reading at a preselected joinder angle, until a top open end of the second pipe joint aligns with a second pipe-to-be-joined at an alignment line. Next, it is determined where to cut the second pipe-to-be-joined with reference to the alignment line. Finally, it is determined how long to cut a third connecting pipe with reference to the extended length of the pipe fitting apparatus.

Abstract: Apparatus for measuring vehicle wheel alignment comprising a yoke having a pair of aligned center pins engageable with a transverse axis in the vehicle; a collimated beam projector connectable to the yoke and adapted to project its beam at right angles to the axis of the center pins, and longitudinally of the vehicle with reference to the transverse axis and a target for the beam so attachable to a wheel of the vehicle that alignment of the wheel can be measured. In one embodiment the target is a mirror and the projector is provided with a transverse scale for measuring the reflected beam. In the other embodiment the target comprises a set of scales hung or clamped to the wheel.

Abstract: The spacing tool has two spacer blades each having a hole therein, and a handle movably mounted in these holes. A gauge block is mounted to and between the spacer blades adjacent the handle. The spacing tool also has screws or other fasteners to removably retain the spacer blades to the gauge block. In the preferred embodiment, the gauge block consists of a piece of lumber from the same load or bundle of lumber as the deck boards being installed. Accurate fit of the tool over a board and accurate board spacing is therefore obtained on every project.

Abstract: An overlay mark for concurrently monitoring alignment accuracy, focus, leveling and astigmatism and a method of application thereof are disclosed. The overlay mark comprises four inner bars and four outer bars formed at the corners of exposure areas. The inner bar has a sawtooth area and a bar-shaped area, and the outer bar is a fore-layer etched pattern. Both the inner bars and the outer bars are formed into rectangles, and each bar is one side of a rectangle and none of the sides are connected. The sawtooth areas of the inner bars disposed on opposite sides are located at a same position. The rectangle formed by the outer bars encloses the rectangle formed by the inner bars. During the monitoring process, a testing beam scans across a scan area being divided into two areas, i.e., one being the outer bars and the sawtooth area of the inner bars, and the other one being the outer bars and the bar-shaped area of the inner bars.

Abstract: A wafer chuck comprises a wafer chucking surface, a fixable rotary which allows the wafer chucking surface to rotate to adjust and fix pitch, and a planar joint which allows the wafer chucking surface to translate and fix position in order to center the wafer chucking surface with respect to another surface. An inventive assembly comprises a wafer chucking surface, and a wafer exchange surface, opposite the wafer chucking surface. The wafer exchange surface is mounted via a fixable rotary joint and a planar joint and allows the wafer exchange surface to rotate and to translate so as to fix the pitch and position of the wafer exchange surface to level and center the wafer exchange surface relative to the wafer chucking surface. Alternatively the fixable rotary and/or planar joints may be coupled to the wafer chucking surface. A calibration jig having rough and fine centering pins may be included.

Abstract: A method and a device to adjust the axle geometry of a vehicle (1), wherein measurement values are taken into account, which are automatically detected at the wheels that are arranged at a fully assembled chassis (14) of the vehicle (1). Advantageously, the chassis (14) is moved to an empty-weight position and at least one of the wheels is rotated. Preferably, an additional measurement value, which represents an inclination of the steering wheel (18) of the vehicle (1) is detected and taken into account. Advantageously, the adjusting device for adjusting the axle geometry is integrated into an assembly line after assembly devices that serve to at least assemble the chassis (14) and the wheels of the vehicle (1).

Abstract: A locating system for an adjustable clamp frame of a molding machine is disclosed. The locating system can be used to repeatably configure the clamp frame to an appropriate perimeter size for a desired mold without the use of measurements or the mold itself. The inventive locating system includes two sets of a first and a second plate, a pair of end locating members, two sets of a first and a second bracket, and a pair of side locating members. The locating members, the plates, and the brackets each include indicia to provide an assembly code that can be used to facilitate configuring the clamp frame.

Abstract: The invention is a multiple size workpiece positioning device for the precise positioning or centering of workpieces, such as semiconductor wafers, in a processing station. The inventive includes a plurality of ring bars that may be pivoted on one end. The distal end of the ring bars form a circular shape that may decrease or increase in diameter as the ring bars are pivoted. This movement may be used to position or center the workpiece. A single combination pin or two pins of different heights may be mounted on the distal end of the ring bars. A combination pin or a rest pin and an alignment pin may be used to support the bottom of the workpiece to provide a contact point for an urging force on the edge of the workpiece.