Agar offers a range of different silicon nitride membranes and other silicon based supports. These are suitable where carbon or plastic films are not appropriate.
- Silicon Nitride X-Ray Window, Square, 10mm frame, 1.0mm aperture,... AG21902-10Silicon Nitride X-Ray Windows for x-ray microscopy and x-ray spectroscopy experiments. Pack of 10.In Stock
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In Stock - Silicon Mono-crystalline MembranesThin silicon membranes provide an excellent alternative to silicon nitride when the presence of nitrogen is detrimental to the application.Average lead time: 14 days
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Average lead time: 14 days - Micropore in 200nm Silicon Nitride Membrane, Square Arrangement500μm x 500μm aperture in 200nm low-stress silicon nitride membrane. 6 micropore sizes. Square arrangement. Pack of 10.Average lead time: 1 to 30 days
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Average lead time: 1 to 30 days - Nanopore in 200nm Silicon Nitride Membrane, Square Arrangement500μm x 500μm aperture in 200nm low-stress silicon nitride membrane. 8 nanopore sizes. Square arrangement. Pack of 10.Average lead time: 1 to 30 days
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Average lead time: 1 to 30 days - Indexed Micropore Silicon Nitride Membrane, Hexagonal Arrangement500μm x 500μm aperture in 200nm low-stress silicon nitride membrane. 6 micropore sizes. Hexagonal arrangement. Pack of 10.Average lead time: 1 to 30 days
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Average lead time: 1 to 30 days - Indexed Nanopore Silicon Nitride Membrane, Hexagonal Arrangement500μm x 500μm aperture in 200nm low-stress silicon nitride membrane. 8 nanopore sizes. Hexagonal arrangement. Pack of 10.Average lead time: 1 to 30 days
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Average lead time: 1 to 30 days 
Silicon nitride membranes - 200um substrate thickness, multi-frame...200µm substrate thickness, multi-frame array (7 x 7 array) with 20, 30, 50, 75, 100, 150, 200 or 500nm Silicon nitride membranes.Average lead time: 14 to 21 daysPOA
Average lead time: 14 to 21 days
Silicon nitride membranes - 200um substrate thickness, multi-frame...200µm substrate thickness, multi-frame array (5 x 5 array) with 20, 30, 50, 75, 100, 150, 200 or 500nm Silicon nitride membranes.Average lead time: 14 to 21 daysPOA
Average lead time: 14 to 21 days
Silicon Nitride Membranes - 200um substrate thickness, multi-frame...200µm substrate thickness, multi-frame array (4 x 4 array) with 30, 50, 75, 100, 150, 200 or 500nm Silicon nitride membranes.Average lead time: 1 to 14 daysPOA
Average lead time: 1 to 14 days- Silicon nitride membranes - 100um substrate thickness100µm substrate thickness with membrane thicknesses from 20nm to 500nm.Average lead time: 1 to 30 days
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Average lead time: 1 to 30 days - Silicon nitride membranes - 200um substrate thickness200µm substrate thickness with membrane thicknesses from 20nm to 500nm.Average lead time: 1 to 60 days
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Average lead time: 1 to 60 days 
Silicon nitride coated discs (blanks)These 200µm thick 3mm silicon support discs have a low stress, ultra-flat 50nm layer of silicon nitride on both sides.Average lead time: 1 to 60 daysPOA
Average lead time: 1 to 60 days
Silicon aperture framesSilicon aperture frames are 3mm diameter discs of thickness 200µm containing square or rectangular apertures of three sizes.Average lead time: 14 to 21 daysPOA
Average lead time: 14 to 21 days
Silicon monoxide on removable FormvarSilicon monoxide support films are resilient and able to withstand vigorous specimen preparation techniquesAverage lead time: 14 to 21 daysPOA
Average lead time: 14 to 21 days- Holey Silicon Nitride Support Films200nm membrane with holes from 1250nm down to 100nm.Average lead time: 30 to 60 days
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Average lead time: 30 to 60 days - Silicon monoxide on lacey Formvar, 300 Mesh AGS185-3Silicon monoxide films are also available with a stabilised lacey Formvar film (this does not have a removable thin Formvar backing).Average lead time: 21 days
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Average lead time: 21 days 
Average lead time: 1 to 30 days
