Porous Silicon Nitride Membranes - Round Frames
Norcada offers a wide selection of micro- and nano-porous silicon nitride (SiNₓ) membranes tailored for applications in electron microscopy, X-ray analysis, and sample preparation. Our membranes are fabricated with optimized stress silicon nitride and are delivered individually packaged in gel capsules for contamination-free handling and storage. Other packaging, such as slider boxes, are available upon request.
Packaging & Handling
All porous SiNx membranes are:
Fabricated using optimized stress LPCVD silicon nitride
Thoroughly cleaned to minimize particle and hydrocarbon contamination
- Every unit is fully inspected in our cleanrooms before packaging
Key Features:
Membrane thickness options: 5 nm – 1000 nm
Optimized stress SiNx for minimal distortion and high mechanical stability
Frame thickness: 100 µm or 200 µm, circular or octagon shaped
Fits within a 3.0 mm diameter circle—compatible with most standard TEM holders
Cleanroom-packaged in 2″ × 2″ gelpaks (10 devices per pack) or slider boxes
Multi-Window and Array TEM Grids:
Standard 3 mm silicon frame (circular or octagonal)
9-window layout in a grid pattern, custom layouts and denser arrays are available
100 µm or 200 µm frame thickness for mechanical support
Available in custom SiNx thicknesses
Specification Ranges:
Membrane stress: 10 MPa to 1100 MPa
Thickness: 10 nm to 6000 nm
Membrane area: 5 µm × 5 µm up to 100 mm × 100 mm (or Ø20 µm to Ø100 mm)
Frame size: 1 mm × 1 mm up to 150 mm × 150 mm
Frame thickness: 100 µm (MX), 200 µm (NX), 380 µm (PX), 500 µm (QX), and thicker on request
Formats: Single-window or multi-window arrays
Looking for something more specialized? We also offer SiNx membranes as part of advanced solutions for:
Nanopore and Bio-physics (Genomics/Proteomics)
X-ray, Ion, and Electron Transmission (Beamline windows and detectors)
In-situ Liquid & Gas Cells (Electrochemistry, Electro-biasing, and Heating)
Products
Location-Tagged Porous TEM Grids
Precision navigation with micro-patterned, trackable membranes.
These holey silicon nitride TEM grids feature micro-sized pores distributed across the membrane area, combined with coordinate markings in X and Y directions. This enables precise sample tracking during imaging, ideal for particle tracking and localization or correlative studies.
0.5 mm × 0.5 mm SiNx window on 3 mm silicon frame
Micro-perforated patterns for high-contrast imaging
Integrated edge markings for region identification
- Cryo-TEM and 2D materials compatible
Location-Tagged Holey Nitride Windows on 200µm Silicon TEM Grid
*Prices are in USD per pack of 10 devices
| Part Number | Nitride Thick. | Window Size | Hole Dia. | Hole Spacing | Price/Pack |
|---|---|---|---|---|---|
| NH050A2 | 50nm | 0.5×0.5mm | 2.0µm | 3.0µm | $370 |
| NH050D2 | 200nm | 0.5×0.5mm | 2.0µm | 3.0µm | $360 |
| NH050D2P (half-porous, half solid membrane) | 200nm | 0.5×0.5mm | 2.0µm | 3.0µm | $330 |
Micro-Porous Membranes on TEM Grids
Micro-porous membranes come with regularly patterned holes across a square lattice. These grids are compatible with standard TEM holders and are ideal for filtering, imaging, and advanced analytical applications.
Contact us for availability on specific variants.
Micro-Porous Membrane on 200µm Thick Silicon TEM Grid
*Prices are in USD per pack of 10 devices
| Part Number | SiN Thick. | Window Size | Hole Dia. | Array Size | Pitch X=Y | Pack Price |
|---|---|---|---|---|---|---|
| NH050A549 | 50nm | 0.5×0.5mm | 5µm | 49×49 | 10µm | $270 |
| NH050A1032 | 50nm | 0.5×0.5mm | 10µm | 32×32 | 15µm | $270 |
| NH050A2019 | 50nm | 0.5×0.5mm | 20µm | 19×19 | 25µm | $270 |
| NH050A3013 | 50nm | 0.5×0.5mm | 30µm | 13×13 | 35µm | $270 |
| NH050D549 | 200nm | 0.5×0.5mm | 5µm | 49×49 | 10µm | $290 |
| NH050D1032 | 200nm | 0.5×0.5mm | 10µm | 32×32 | 15µm | $290 |
| NH050D2019 | 200nm | 0.5×0.5mm | 20µm | 19×19 | 25µm | $290 |
| NH050D3013 | 200nm | 0.5×0.5mm | 30µm | 13×13 | 35µm | $290 |
| NH005D54 | 200nm | 0.05×0.05mm | 5µm | 4×4 | 10µm | $290 |
| NH005D102 | 200nm | 0.05×0.05mm | 10µm | 2×2 | 15µm | $290 |
Single Micro-Pore Membranes
These devices feature a single defined pore in the center of a SiN membrane and are mounted on standard TEM silicon frames.
*Note: Some items available only while supplies last.
Single MicroPore Membrane on 200µm Thick Silicon TEM Grid
*Prices are in USD per pack of 10 devices
| Part Number | SiN Thick. | Window Size | Hole Dia. | Pack Price |
|---|---|---|---|---|
| NTPR005A-C1 | 50nm | 0.05×0.05mm | 1µm | $325 |
| NTPR005A-C2 | 50nm | 0.05×0.05mm | 2µm | $300 |
| NTPR005D-C3 | 200nm | 0.05×0.05mm | 3µm | $280 |
| NTPR005D-C5 | 200nm | 0.05×0.05mm | 5µm | $260 |
| NTPR005D-C10 | 200nm | 0.05×0.05mm | 10µm | $260 |
| NTPR005D-C20 | 200nm | 0.05×0.05mm | 20µm | $250 |
| NTPR005D-C30 | 200nm | 0.05×0.05mm | 30µm | $250 |
Nano-Porous Membranes on TEM Grids
Nano-porous SiN membranes are engineered with sub-micron to micron-scale pores patterned on square or rectangular lattices. Ideal for high-resolution applications requiring enhanced transparency and low background.
Custom spacing, diameters, and lattice types available upon request.
Nano-Porous Membrane on 200µm Thick Silicon TEM Grid
*Prices are in USD per pack of 10 devices
| Part Number | SiN Thick. | Window Size | Hole Dia. | Array Size | Pitch X=Y | Pack Price |
|---|---|---|---|---|---|---|
| NH005A01 | 50nm | 50×50µm | 100nm | 25×25 | 200nm | $460 |
| NH005A03 | 50nm | 50×50µm | 300nm | 25×25 | 600nm | $440 |
| NH005A05 | 50nm | 50×50µm | 500nm | 25×25 | 1.0µm | $430 |
| NH005A1 | 50nm | 50×50µm | 1000nm | 15×15 | 2.0µm | $430 |
| NH050A03 | 50nm | 0.5×0.5mm | 300nm | 25x25x4 | 1.5µm | $420 |
| NH050A05 | 50nm | 0.5×0.5mm | 500nm | 25x25x4 | 2.5µm | $410 |
| NH050A1 | 50nm | 0.5×0.5mm | 1000nm | 15x15x4 | 5.0µm | $410 |
| NH005D03 | 200nm | 50×50µm | 300nm | 25×25 | 600nm | $430 |
| NH005D05 | 200nm | 50×50µm | 500nm | 25×25 | 1.0µm | $420 |
| NH005D1 | 200nm | 50×50µm | 1000nm | 15×15 | 2.0µm | $420 |
| NH050D03 | 200nm | 0.5×0.5mm | 300nm | 25x25x4 | 1.5µm | $430 |
| NH050D05 | 200nm | 0.5×0.5mm | 500nm | 25x25x4 | 2.5µm | $400 |
| NH050D1 | 200nm | 0.5×0.5mm | 1000nm | 15x15x4 | 5.0µm | $400 |
| NH050DVA | 200nm | 0.5×0.5mm | 300nm to 1100nm | 25x25x9 | 2x hole dia. | $350 |
Hexagonal / Triangular Array Micro-Porous Membranes on 200µm Silicon TEM Grid
*Prices are in USD per pack of 10 devices
| Part Number | Nitride Thick. | Window Size | Hole Dia. | Hole Spacing | Array Configuration | Price/Pack |
|---|---|---|---|---|---|---|
| NH010D1HEX2 | 200nm | 0.1x0.1mm | 1.0µm | 2.0µm | Hexagonal | $380 |
| NH010D1TRI2 | 200nm | 0.1x0.1mm | 1.0µm | 2.0µm | Trianglular | $380 |
Porous Silicon Nitride Membranes - Square Frames
Norcada offers a wide selection of micro- and nano-porous silicon nitride (SiNₓ) membranes in square framed format tailored for applications in electron microscopy, X-ray analysis, and sample preparation. Our membranes are fabricated with optimized stress silicon nitride and are delivered individually packaged in gel capsules for contamination-free handling and storage. Other packaging, such as slider boxes, are available upon request.
Packaging & Handling
All porous SiNx membranes are:
Fabricated using optimized stress LPCVD silicon nitride
Thoroughly cleaned to minimize particle and hydrocarbon contamination
- Every unit is fully inspected in our cleanrooms before packaging
Ideal For:
X-ray Microscopy and Spectroscopy
Electron Microscopy (SEM, TEM)
Optical Microscopy, Interferometry & Raman Spectroscopy
Atomic Force Microscopy (AFM)
- Cryo Microscopy
Compatible with sample preparation methods such as:
Thin-film deposition
2D materials transfer
Cell culture and cryogenic prep
Powder deposition and drop casting
Thermal annealing (contact us for process limits)
Specification Ranges:
Membrane stress: 10 MPa to 1100 MPa
Thickness: 10 nm to 6000 nm
Membrane area: 5 µm × 5 µm up to 100 mm × 100 mm (or Ø20 µm to Ø100 mm)
Frame size: 1 mm × 1 mm up to 150 mm × 150 mm
Frame thickness: 100 µm (MX), 200 µm (NX), 380 µm (PX), 500 µm (QX), and thicker on request
Formats: Single-window or multi-window arrays
Looking for something more specialized? We also offer SiNx membranes as part of advanced solutions for:
Nanopore and Bio-physics (Genomics/Proteomics)
X-ray, Ion, and Electron Transmission (Beamline windows and detectors)
In-situ Liquid & Gas Cells (Electrochemistry, Electro-biasing, and Heating)
Microporous SiNx Membranes on Square Frames
These standard 5×5mm devices use triangular pore arrays and offer robust platforms for imaging, filtration, and spectroscopy under extreme conditions.
All devices use low-stress nitride and are robust for advanced microscopy use.
Micro-Porous Membrane on 200µm Thick 5x5mm Silicon Frame
*Prices are in USD per pack of 10 devices
| Part Number | Window Size | SiN Thick. | Hole Dia. | Holey Area (approx.) | X Value (pitch*) | Pack Price |
|---|---|---|---|---|---|---|
| NX5050CH3 | 0.5×0.5mm | 100nm | 3µm | 0.2×0.2mm | 4.5µm | $350 |
| NX5100CH3 | 1.0×1.0mm | 100nm | 3µm | 0.8×0.8mm | 4.5µm | $350 |
| NX5200CH10 | 2.0×2.0mm | 100nm | 10µm | 1.8×1.8mm | 15µm | $350 |
| NX5050DH3 | 0.5×0.5mm | 200nm | 3µm | 0.2×0.2mm | 4.5µm | $350 |
| NX5100DH4 | 1.0×1.0mm | 200nm | 4µm | 0.8×0.8mm | 4.5µm | $350 |
| NX5200DH10 | 2.0×2.0mm | 200nm | 10µm | 1.8×1.8mm | 15µm | $350 |
Nano-Porous SiNx Membranes on Square Frames
Optimized for nanoparticle and nanoscale analysis, these membranes feature dense nano-hole patterns on square silicon frames, with consistent pitch across each window.
Available in various membrane thicknesses and patterns.
Ideal for electron transparency, reduced scattering, and superior imaging background.
Nano-Porous Membrane on 200µm Thick 5x5mm Silicon Frame
*Prices are in USD per pack of 5 devices
| Part Number | Window Size | SiN Thick. | Hole Dia. | Holey Area (approx.) | Pitch | Pack Price |
|---|---|---|---|---|---|---|
| NX5050DH0.5 | 0.5×0.5mm | 200nm | 500nm±50nm | 0.4×0.4mm | 1.1µm | $790 |
Get Help with Product Selection
Not sure what’s right for you? Reach out to us directly. We’ll be happy to discuss your project and point you in the right direction.
Need Custom Fabrication for Your Project?
Reach out to us to learn more about how we can customize your solutions or visit our Innovation Platform page for more information.