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Detector Frames CNC Machining for Wafer Inspection Tools

Detector frames are precision CNC machined structural components providing stable, optically aligned mounting platforms for imaging sensors, photomultiplier tubes, CCD cameras, and laser detection systems in wafer inspection and metrology equipment. Zintilon Inc. specializes with CNC machining detector mounting frames, optical alignment housings, and camera positioning assemblies to obtain high dimensional stability, vibration isolation, and optical precision for maintaining long term stability required in critical measurement and defect detection in semiconductors.
  • Machining for precise optical alignment and detector positioning
  • Tight tolerances up to ±0.0003 in for measurement repeatability
  • Precision milling, drilling & optical surface finishing
  • Support for rapid prototyping and full-scale production
  • ISO 9001-certified manufacturing with wafer inspection tools expertise
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Trusted by 15,000+ businesses

Why Semi-conductor Companies
Choose Zintilon

prductivity

Increased Productivity

Engineers get time back by not dealing with immature supply chains or lack of supply chain staffing in their company and get parts fast.

10x

10x Tighter Tolerances

Zintilon can machine parts with tolerances as tight as+/ - 0.0001 in -10x greater precision compared to other leading services.

world

World Class Quality

Zintilon provides aerospace parts for leading aerospace enterprises, verified to be compliant with ISO9001 quality standard by a certified registrar. Also, our network includes AS9100 certified manufacturing partners, as needed.

From Prototyping to Mass Production

Zintilon holds ISO 9001 certificate and supplies engineered components to manufacturers of semiconductor inspection equipment, metrology systems, and defect detection tools worldwide.

Prototype Detector Frames

Order prototypes of your detector frame assembly with high machining tolerances and precision, so you can assess your design for fixation, optical alignment accuracy, mechanical stability, detector interface, and measurement accuracy. Perform these tests prior to commencing full-scale production runs of your wafer inspection tools.

Key Points:

  • Rapid prototyping with high precision

  • Tight tolerances (±0.0003 in)

  • Test optical alignment, thermal stability, and vibration resistance early


3 Axis CNC Machined Stainless Steel Passivation

EVT – Engineering Validation Test

Detector frame configurations and designs should satisfy all optical alignment, mechanical stiffness, and thermal interface design parameters, to facilitate the construction of the prototype. Identify alignment drift, as well as rigid body and kinematic constraints of the prototypes early, to streamline integration with wafer inspection systems for which adjustment of the optical path and the corresponding detectors are critical.

Key Points:

  • Validate prototype functionality

  • Rapid design iterations

  • Ensure readiness for production


Anodized Aluminum 1024x536

DVT – Design Validation Test

Testing with a variety of materials and frame geometries, assess for optical stability and vibration dampening efficiency. This is to benchmark the wafer inspection tool system design against a targeted standard for defect detection accuracy and measurement reproducibility prior to volume production.

Key Points:

  • Confirm design integrity and optical specifications

  • Test multiple materials and configurations

  • Ensure production-ready performance


design aluminium

PVT – Production Validation Test

Evaluate bulk production feasibility for detector frames and identify manufacturing uniformity and efficiency barriers to optimize production processes before proceeding to stage II utilization of assembly line.

Key Points:

  • Test large-scale production capability

  • Detect and fix process issues early

  • Ensure consistent part quality


Anodized Titanium Fastener

Mass Production

To deliver detector frames for reliable wafer inspection, efficiently manufacture high-quality frames, create advanced metrology systems, and deliver to wafer inspection.

Key Points:

  • Consistent, high-volume production

  • Precision machining for semiconductor quality

  • Fast turnaround with strict quality control


production

Simplified Sourcing for
the Semi-conductor Industry

Our aviation industry parts manufacturing capabilities have been verified by many listed companies. We provide a variety of manufacturing processes and surface treatments for aerospace parts including titanium alloys and aluminum alloys.

Explore Other Semiconductor Components

Browse our complete selection of CNC machined semiconductor components, crafted for durability and ultra-tight tolerances. From precision tooling and fixture parts to vacuum chambers and wafer handling systems, we deliver solutions tailored to advanced semiconductor production.

Wafer Inspection Tools, Detector Frames, Machining Capabilities

Providing Folded Optics Based Detector Frames for Wafer Inspection Tools, we ensure quality from design to complemented optical inspection systems, are fully integrated and CNC-controlled multi-axis machining. Each of the numerous components, whether single-detector mounting frames, multi-camera positioning plates, fixed assemblies, or line-of-sight interferometry assemblies, are crafted to be thermally balanced and to maintain unyielding optical performance through millions of cycles. We do precise CNC milling for the optical mountable surfaces and can achieve flatness of ±0.005 mm, and do high-precision-hole drilling for the alignment pins of the detector with a positional accuracy of ±0.010mm, and do thread milling for the resistant mounting connections for the mounting to be rigid with vibration, as well as do specialized expeditious surface finishing for the surfaces to be optically clean and to control the absorption of light. Verification of optical alignment and testing of the surfaces for vibration made of the described materials, detectors, and mounts. Each detector frame made of materials such as 7075-T6 aluminum, for a good ratio of strength and weight, and, a good control of the design and manufactured, 316L stainless steel, for good cleanroom resistance and compatibility, and, for corrosion resistance, fiber composite material, for a control material of a construction that is lightweight and that has a thermal expansion that is ultra-low, or other titanium alloys like high thermal stiffness composite materials, or for Invar 36 optical materials as for thermal expansion is near-zero for precise control of the optical materials, we add anodized aluminum with a black oxide surface to absorb light and reduce stray light for other optical materials. They offer high mechanical stability, good optical stability, and continuous operation of the materials described, with a given design thermal drift of ±0.5µm/ºC for the temperature range 18ºC to 25ºC and for vibrations 2G of the mounting control keeping the optical alignment. They also, with a given design-λ/10 at 633nm for the surface of the optical, to control the flatness of the composed surfaces.
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CNC Machining

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Sheet Metal Fabrication

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Wire EDM

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casting

Metal Casting

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Aerospace
Materials & Finishes

Materials
We provide a wide range of materials, including metals, plastics, and composites.
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Finishes
We offer superior surface finishes that enhance part durability and aesthetics for applications requiring smooth or textured surfaces.
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Specialist Industries

you are welcome to emphasize it in the drawings or communicate with the sales.

Aerospace

Source custom aerospace & aviation Parts

Automotive

Automotive custom quality parts

Medical

Custom parts for medical industry

Robotics

Custom CNC Machining Service for Robotics Parts

Automation

Automation custom parts from Zintilon

Consumer Goods

Consumer goods, custom parts by Zintilon

New Energy

Custom parts for new and renewable energy

Semi Conductor

Source custom semi-conductor parts

Materials for Detector Frames

More than a dozen performance alloys, thermally stable and optical quality metals are offered for detector frames by our machine shop. These alloys are also used in our advanced CNC machine shop for rapid prototype development, precision wafer inspection tools, and for the consistent quality production and servicing of the semiconductor metrology and SEMI specifications.

Stainless steel

Stainless steel Image

Stainless steel alloys have high strength, ductility, wear and corrosion resistance. They can be easily welded, machined and polished. The hardness and the cost of stainless steel is higher than that of aluminum alloy.

Price
$ $ $
Lead Time
< 7 days
Tolerances
Down to ±0.005 mm
Max part size
3000*2200*1100 mm
Min part size
2*2*2 mm
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Aluminum

Aluminum Image

High machinability and ductility. Aluminum alloys have good strength-to-weight ratio, high thermal and electrical conductivity, low density and natural corrosion resistance.

Price
$ $ $
Lead Time
< 7 days
Tolerances
Down to ±0.003 mm
Max part size
3000*2200*1100 mm
Min part size
2*2*2 mm
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Titanium

Titanium Image

Titanium is an advanced material with excellent corrosion resistance, biocompatibility, and strength-to-weight characteristics. This unique range of properties makes it an ideal choice for many of the engineering challenges faced by the medical, energy, chemical processing, and aerospace industries.

Price
$$$
Lead Time
< 10 days
Tolerances
Down to ±0.005 mm
Max part size
3000*2200*1100 mm
Min part size
2*2*2 mm
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Steel

Steel Image

Steel is a strong, versatile, and durable alloy of iron and carbon. Steel is strong and durable. High tensile strength, corrosion resistance heat and fire resistance, easily molded and formed. Its applications range from construction materials and structural components to automotive and aerospace components.

Price
$ $ $ $ $
Lead Time
< 10 days
Tolerances
Down to ±0.001 mm (routing)
Max part size
3000*2200*1100 mm
Min part size
2*2*2 mm
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Bronze

Bronze Image

Highly resistant to seawater corrosion. The material’s mechanical properties are inferior to many other machinable metals, making it best for low-stress components produced by CNC machining.

Price
$ $ $ $ $
Lead Time
< 10 days
Tolerances
Down to ±0.005 mm
Max part size
3000*2200*1100 mm
Min part size
2*2*2 mm
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Brass

Brass Image

Brass is mechanically stronger and lower-friction metal properties make CNC machining brass ideal for mechanical applications that also require corrosion resistance such as those encountered in the marine industry.

Price
$$$
Lead Time
< 10 days
Tolerances
Down to ±0.005mm
Max part size
3000*2200*1100 mm
Min part size
2*2*2 mm
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Copper

Copper Image

Few metals have the electric conductivity that copper has when it comes to CNC milling materials. The material’s high corrosion resistance aids in preventing rust, and its thermal conductivity features facilitate CNC machining shaping.

Price
$$$
Lead Time
< 10 days
Tolerances
Down to ±0.005 mm
Max part size
3000*2200*1100 mm
Min part size
2*2*2 mm
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Zinc

Zinc Image

Zinc is a slightly brittle metal at room temperature and has a shiny-greyish appearance when oxidation is removed.

Price
$ $ $ $ $
Lead Time
< 10 days
Tolerances
Down to ±0.005 mm
Max part size
3000*2200*1100 mm
Min part size
2*2*2 mm
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Iron

Iron Image

Iron is an indispensable metal in the industrial sector. Iron is alloyed with a small amount of carbon – steel, which is not easily demagnetized after magnetization and is an excellent hard magnetic material, as well as an important industrial material, and is also used as the main raw material for artificial magnetism.

Price
$ $ $ $ $
Lead Time
< 10 days
Tolerances
Down to ±0.005 mm
Max part size
3000*2200*1100 mm
Min part size
2*2*2 mm
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Magnesium

Magnesium Image

Due to the low mechanical strength of pure magnesium, magnesium alloys are mainly used. Magnesium alloy has low density but high strength and good rigidity. Good toughness and strong shock absorption. Low heat capacity, fast solidification speed, and good die-casting performance.

Price
$ $ $ $
Lead Time
< 7 days
Tolerances
Down to ±0.005 mm
Max part size
3000*2200*1100 mm
Min part size
2*2*2 mm
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FAQs: Detector Frames for Wafer Inspection Tools Applications

In semiconductor inspection systems, detector frames are precision machining structural assemblies that mount and align imaging sensors, CCD (Charge-coupled device) cameras, photomultiplier tubes, and laser detectors. These detector frames are of a single detector mounting frames with optical alignment accuracy of ±5 µm, multi-camera positioning plates that are able to accommodate, with independent adjustments, two to eight detectors, kinematic mounting assemblies providing repeatable positioning to within ±2 µm, vibration-isolated frames that attenuate resonance by a factor of 85 to 98, and thermally stable housings that prevent drifting of the optical alignment across ±2°C. These frames are required to have dimensional tolerances of ±0.025 mm, optical flatness of λ/10 at 633 nm for the flatness of the optical surface of the frames, with a precision in perpendicular alignment of 10 arc seconds for the optical axis, and resistance to the cleanroom specifications to at least SEMI standards for more than 50,000 inspections.

7075-T6 aluminum is extremely strong, it has a tensile strength of 570 MPa and a density of 2.81 g/cm³. Compared to the already stated values, the machinability is on an entirely different level when it comes to being able to achieve a surface finish below 0.8 ra microns, and thermal conductivity of 130 W/m·k is a plus for heat distribution to remain uniform. Invar 36 provides even more stability and precision to the measurement being done as it has a minimal thermal drift of ±0.01 mm per °C, and low thermal expansion of 1.2 µm/m·°C allows for dimensional detail retention even when the temperature increases and diverges with a drift. Carbon fiber composites deliver and exceed to the a precision optical stability of being even 5 times more sturdy than steel as well as having a lower thermal expansion of 0.5 µm/m·°C, beyond the ability to control and stabilize the heat even having a resonance amplitude reduction of up to a full 90 percent of the original amplitude, and overall dimensional stability for the frame.

5 Axis CNC milling is capable of creating complex geometries in the frames, as is capable of drawer angular tolerances of 0.02 degrees, along with surface finishes in the 1.6Ra micron range. Precision drilling of the alignment holes is executed with position tolerances of 0.010 and perpendicularity specifications with the range of 0.015. HSM is the machining of choice for optical mounts, and is capable of whole spans of 100mm with a flatness tolerance of 0.005. Class 3B thread milling is performed on the mounting holes for the purposes of creating robust mounting holes and for vibration resistance. 0.003 wire edm is done on the alignment slots and any adjustment features for the purpose of needing tight tolerances for the sliding mechanisms. 0.002 surface grinding on the optical reference planes is done of the flatness for every 50mm and the parallelism specification is 0.005, along with the diamond turning which gives optical interfaces surface finishes in the range of 0.1Ra microns and is intended for light path criticals.

Within these tolerances, we ensure optical mounting surface flatness to ±0.005 mm over 100 mm span to facilitate detector alignment ±5 μm, positional accuracy of alignment holes to ±0.010 mm for repeatable detector mounting, parallelism of optical reference surfaces to 0.005 mm for arrays of aligned multi detectors, mounting surfaces perpendicular to optical axis within 10 arc-seconds, angular error ±0.02 deg for alignment of optical paths, optical surfaces finished to 0.8 Ra microns for dust control, overall dimensions to ±0.025 mm, which support optical alignment to drift within ±2 μm after 8 hours, measurement repeatability within ±0.5 %, vibration stability during 2G acceleration, and thermal stability ±2°C.

Yes, we provide rapid prototyping to verify fit and test assembly, with same-day CAD-to-part capability available for critical projects. For custom automation cells and research platforms, we perform low-volume production of 20 to 500 brackets. For standardized robot models, we perform high-volume production of thousands to tens of thousands of brackets annually, incorporating complete dimensional inspection, flatness verification, and material certifications.
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