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Description
Eliminate stray surface flare during semiconductor wafer defect logging using the Kern OKN 177 Metallurgical Microscope. Dedicated exclusively to reflected incident illumination, it features an ultra-high-power 12V/100W halogen external lamp housing powered by a standalone digital power supply controller module. Powered by an infinity-corrected IOS optical system, it delivers 50x, 100x, 200x, and 400x magnification via four Ultra-Long Working Distance (Ultra-LWD) Plan Achromatic objectives: 5x/0.13, 10x/0.25, 20x/0.40, and 40x/0.60.
The 30-degree inclined trinocular head incorporates a top-mounted vertical photo port and extra-widefield high-eyepoint HWF 10x/22 mm eyepieces across an adjustable 50 mm to 75 mm interpupillary span. The oversized 175 x 145 mm mechanical stage features a scratch-proof industrial ceramic coating and low-position coaxial controls (76 x 42 mm XY travel). Supported by coaxial coarse and fine focus knobs operating on precision vertical tracks with 1-micron fine division markings, this 13.0 kg cast-metal frame (300 x 240 x 510 mm) includes integrated polarizer and analyzer filter sliders, running on universal 100-240V AC line power.
Key Features of Kern OKN 177 Metallurgical Microscope
A heavy-duty upright trinocular metallurgical and polarization research microscope featuring an external 100W halogen illuminator with digital power controller. Combines four Ultra-LWD Plan infinity objectives with reflected Köhler lighting, ceramic-coated stage, 1-micron focus, and a vertical camera port.
- Dedicated reflected 12V/100W halogen external lamp housing with standalone digital controller
- Ultra-LWD Infinity Plan objectives: 5x, 10x, 20x, and 40x for safe specimen clearance
- Integrated field and aperture iris diaphragms for precision Köhler contrast and glare suppression
- Includes polarizer and analyzer filter slider sheets for surface polarization analysis
- Top-mounted straight vertical trinocular photo tube port for digital C-mount camera integration
- Oversized 175 x 145 mm mechanical stage with scratch-proof ceramic surface coating
- Coaxial coarse and fine focus drive with calibrated 1-micrometer (0.001 mm) fine division markings
- Solid 13.0 kg structural metal housing isolates delicate polished surfaces from vibration
100W External Halogen Core & Ultra-LWD Plan Optics
Opaque mineral sections, semiconductor packages, and polished metallurgical mounts reflect light back through the objective lens, requiring intense incident illumination. The 100W quartz halogen lamp house floods the specimen plane with a warm continuous spectrum that brings out true grain boundaries and etching contrast. Built-in aperture and field diaphragms allow operators to eliminate internal barrel reflections and dial in optimal optical resolution on shiny alloys.
Ceramic Stage Durability & 1-Micron Focus Precision
Standard painted stages scratch easily when rough metal specimens and sharp wafer edges slide across them daily. The ceramic coating on this platform resists scratching, chemical stains, and mechanical wear. The coaxial fine focus operates with 1-micron sensitivity, giving metallurgists delicate control to inspect micro-crack propagation and inclusion phases without overshooting. The vertical photo port allows seamless integration of C-mount cameras for formal metallurgical grain size reporting.
- 100W halogen illuminator cuts through dark, light-absorbing industrial alloys
- Ceramic-coated mechanical stage resists scratching and chemical staining from daily slide use
- Precision 1-micron fine focus ensures razor-sharp focal plane isolation on opaque specimens
Kern & Sohn Three-Year Laboratory Warranty
Kern & Sohn backs the OKN 177 with a comprehensive three-year factory warranty covering optical elements, stand castings, and mechanical stage drives, backed by two years on the 100W digital power supply and halogen circuitry. The complete package contains the OKN 177 trinocular stand, 100W external power supply block with lamp housing, four Infinity Plan metallurgical objectives, pair of HWF 10x/22 mm eyepieces, polarizing filter sliders, power cables, dust cover, and manual.
Kern & Sohn OKN 177 Trinocular Metallurgical Polarization Microscope Infinity Plan 50x-400x Incident Halogen 100W Specs
| Brand | Kern & Sohn |
| Full Model Code / SKU | OKN 177 (High-Intensity Reflected Light Research Platform) |
| Country of Origin | Germany |
| Microscope Type | Heavy-Duty Upright Trinocular Metallurgical and Polarization Research Microscope System |
| Optical System Type | Infinity Corrected Optical System (IOS) Lens Layout Path |
| Observation Tube Type | Trinocular Head Unit with integrated variable light path distribution block |
| Tube Inclination & Rotation | 30° inclined viewing track, 360° rotatable head, adjustable individual interpupillary tracking sliders (50-75 mm); diopter equalization on left tube sleeve |
| Eyepiece / Field of Number | HWF 10x / 22 mm (High eye-point wide-field configuration for extended inspection timelines) |
| Nosepiece Design | Revolving quintuple (5-position) forward-facing objective turret housing running on heavy-duty ball bearing tracks |
| Objectives Classification | Infinity Plan Achromatic Corrected Ultra-Long Working Distance (Ultra-LWD) Metallurgical Lens Configuration |
| Objectives Magnification Breakdown | Infinity Plan metallurgical tracking series: 5x/0.13, 10x/0.25, 20x/0.40, and 40x/0.60 structural micro pathways |
| Total Magnification Range | 50x, 100x, 200x, and 400x high-resolution material tracking increments |
| Focusing Type & Graduation | Coaxial coarse and fine adjustment block knobs operating on high-rigidity structural guides; fine tracking graduation 1 micrometer |
| Stage Dimensions & Surface Coating | Oversized mechanical stage platform measuring approx. 175 x 145 mm with scratch-proof industrial ceramic coating layer |
| Stage Travel Range & Controls | Extended X-Y axis movement tracking 76 x 42 mm travel paths using low-positioned right-hand coaxial control knobs |
| Condenser Type & Numerical Aperture | None (Incident illumination layout; surface structure tracking configuration) |
| Illumination Transmitted Type | None |
| Illumination Epi-EPI/Reflected | Ultra-high-power 12V/100W Halogen external housing assembly tracking deep contrast reflected light paths with variable field and aperture iris diaphragms |
| Light Intensity Management | External standalone heavy-duty 100W digital power supply controller module tracking target brightness paths precisely |
| Camera Port / C-Mount Adapter Split | Top-mounted straight vertical trinocular photo tube port; requires model-specific C-mount adapter tracking camera integration logs |
| Contrast Methods Capability | High-intensity incident brightfield structural analysis, professional material polarization tracking, micro-crack morphology inspection |
| Power Supply & Voltage Input | External 100W lighting controller module drawing 100-240V AC line connection layout paths |
| Physical Dimensions & Net Weight | Base layout 300 x 240 mm, overall structural height 510 mm, complete assembly net weight approx. 13.0 kg |
| Standard Package Accessories Included | OKN 177 trinocular stand, 100W external power supply block with lamp housing, four Infinity Plan metallurgical objectives, pair of HWF 10x/22mm eyepieces, polarizing filter sliders, power cables, dust cover, manual |
| Primary Application & Environment | Aerospace alloy stress analysis laboratories, high-density semiconductor silicon wafer inspection stations, materials forensic validation hubs |
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