GLTECH optical 3D surface profilers and metrology systems

GLTECH industrial equipment: non-contact optical 3D profilers, white light interferometers, aerostatic bearing spindles, and micro-additive nano 3D printers.

Desktop 3D optical profilers Academy and Compact series

Compact desktop profilers of the Academy and Compact series deliver non-contact micro-topography measurement and roughness analysis for micro-machined parts, providing sub-nanometer height resolution and repeatable profile scanning for analytical laboratories and precision workshops.

Vertical height resolution below point one nanometer across broad surface scanning spans
Five position objective lens turret mechanism paired with smooth manual mechanical stage
Closed loop piezo scanning actuator ensuring high measurement linearity and motion control
Step height measurement repeatability within point one percent for dependable inspection

Automated 3D white light interferometers Elite and Pro series

Industrial measurement stations of the Elite and Pro series provide high-speed automated micro-geometry inspection and defect analysis for semiconductor substrates, electronic devices, and precision components featuring multi-axis motorized travel and smart autofocus modules.

Motorized coordinate inspection travel of one hundred millimeters for Elite model units
Heavy duty motorized stage spanning three hundred millimeters for Pro class inspection
Motorized five position turret paired with dual motorized intermediate magnification lenses
Automated high resolution field stitching software for wide area continuous topography maps

Master series wafer inspection and semiconductor metrology systems

Flagship Master metrology stations deliver comprehensive automated inspection for semiconductor wafers, photomasks, and BGA substrates. The station integrates a motorized granite bridge architecture, laser autofocus, and passive vibration isolation for sub-nanometer mapping.

Ultra precision coordinate table spanning six hundred millimeters for wafer fabrication
Six position automated objective turret holding premium high magnification optics
High speed integrated laser autofocus system maintaining sharp optical focus on targets
Solid granite base weighing fifteen hundred kilograms providing vibration suppression

Modular in-line optical measurement sensor heads Probe series

Modular Probe optical heads are designed for direct integration into automated robot cells, manufacturing conveyors, and coordinate measurement machines, delivering real-time non-contact surface topography scans without dismounting delicate components from precision fixtures.

Compact optical measuring head featuring integrated closed loop piezo micro scanning
Extensive range of specialized optical interference lenses spanning two to hundred times
Porous vacuum rotary holding fixture for secure clamping of miniature substrates
Flexible software interface facilitating seamless synchronization with robot cells

Aerostatic air bearing spindles and rotary motion systems

Precision motion modules utilizing aerostatic bearings operate without friction or lubricant contamination. High-speed spindles spinning up to 200,000 RPM and rotary tables maintaining radial runout below 2 microns serve ultra-precision diamond turning and semiconductor tools.

High speed aerostatic spindles spanning operating velocities up to two hundred thousand RPM
Rotary tables up to one thousand millimeters with radial runout under two microns
Linear cartesian motion stages on air pads providing operating strokes up to two meters
Zero mechanical surface contact eliminating bearing wear during round the clock operation

Precision nano-scale 3D printers for micro-additive manufacturing

High resolution 3D Nano Printer units across Economy, Enhance, Excellent, and Hybrid lines produce sub-micron architectures, micro-optical elements, conductive traces, and MEMS components, enabling breakthrough rapid prototyping in microelectronics and advanced sensor technology.

Dedicated equipment range for additive synthesis of sub-micron electronic architectures
Sub-micron volumetric positioning accuracy governed by precise multi-axis motion drives
Broad compatibility with specialized functional polymers and metallic conductive inks
Real time optical monitoring of layer deposition thickness and structural integrity

Principles of white light interferometry and nano-scale metrology

GLTECH non-contact white light optical interferometers utilize broadband spatial light interference to generate high-resolution three-dimensional micro-topography maps of engineered components.

Within the optical path, illumination is split into reference and measurement beams, producing interference fringes of peak contrast precisely at the objective focal plane.

This architecture provides uniform vertical resolution down to point one nanometer across the entire field of view regardless of magnification.

This optical profiling technique delivers faster acquisition speeds than confocal or stylus instruments without causing surface damage to delicate micro-structures.

Closed-loop piezoelectric scanning mechanism and motion control

Vertical scanning accuracy and motion linearity in GLTECH profilers are governed by closed-loop piezoelectric scanning actuators equipped with integrated capacitive feedback sensors.

Real-time feedback monitoring continuously compensates for ambient thermal drift, mechanical hysteresis, and actuator creep during prolonged measurement cycles.

For stepped micro-architectures and etched trenches, phase-shifting algorithms combine with coherence envelope scanning routines, enabling dependable height tracking from one nanometer up to ten millimeters while preserving sub-nanometer vertical positioning fidelity across diverse workpieces in cleanroom production.

Specialized interference objectives and automated turret mechanisms

GLTECH profiling platforms incorporate specialized Mirau and Michelson interference objective optics ranging from two to one hundred times magnification, tailored for white light illumination.

Automated five and six position turrets execute motorized objective exchanges while maintaining optical axis alignment and pupil conjugate focus with the digital sensor.

Auxiliary motorized internal magnification turrets expand available inspection windows, allowing operators to transition smoothly from panoramic substrate surveys to high-magnification analysis of sub-micron contact pads, circuit trace roughness, and fine micro-machined surface structures.

Semiconductor wafer inspection and microelectronic quality control

Engineered for industrial semiconductor manufacturing, Pro and Master series workstations execute high-throughput topography mapping for silicon wafers, photomasks, and multi-layer electronic substrates.

Integrated wide-area image stitching algorithms combine hundreds of individual fields into continuous micro-topography datasets with sub-micron coordinate alignment.

The metrology platform calculates surface roughness parameters, via hole depths, BGA coplanarity, and wafer warpage, delivering essential data for chemical mechanical planarization, thin-film deposition control, and advanced packaging yield optimization across microelectronic cleanrooms.

Aerostatic air bearing spindles and precision rotary motion stages

GLTECH aerostatic bearing assemblies and rotary tables deliver smooth rotary motion without mechanical surface friction by floating rotating elements on a micro-layer of compressed air.

Zero surface contact eliminates heat generation and friction wear, maintaining rotational runout below two micrometers at operating speeds reaching two hundred thousand RPM.

These air bearing modules provide high radial and axial stiffness under clean pneumatic pressure, serving as critical subsystems for high-speed circuit board micro-drilling machines, diamond turning units, precision laser motion systems, and ultra-precision semiconductor wafer dicing spindles.

Micro-additive 3D nano printing and preventive maintenance routines

GLTECH 3D Nano Printer platforms across Economy, Enhance, and Hybrid lines execute layer-by-layer micro-additive synthesis of conductive micro-tracks, MEMS components, and functional micro-sensors with sub-micron spatial resolution.

To preserve measurement accuracy and machine reliability, operating protocols require regular pneumatic filter replacements, periodic piezo actuator calibration using step-height reference standards, and clean optical window care.

Adhering to manufacturer maintenance guidelines ensures repeatable measurement precision across demanding cleanroom production environments and microelectronics research fabrication facilities.

GLTECH and model names are trademarks of their respective owners and are used only to identify the equipment for which we source parts. SpareX is not an official dealer, distributor or representative of GLTECH and is not affiliated with the trademark owner. Origin, documents and warranty are stated for each item in the quotation.