Silson standard silicon nitride membranes are available in both Si3N4 and SiRN with thickness ranging from 10 to 1000 nm, depending on the type of silicon nitride. Standard frame sizes vary from those compatible with TEM grid holders to 23.5 mm with a wide range of membrane sizes depending on the frame size.
Silicon nitride membranes are sized at 0.05, 0.1, 0.25, 0.5, 1.0, 1.5, 2.0, 2.5, and 3.0 mm increasing in 1.0 mm increments to 19.0 mm, although not all membrane sizes are available for each membrane thickness.
The largest standard membrane available in a 5.0 mm frame is 2.0 mm x 2.0 mm, in a 7.5 mm frame is 3.0 mm x 3.0 mm and for a 10.0 mm frame it is 6.0 mm x 6.0 mm. Membranes up to 19.0 mm x 19.0 mm have been produced in 23.5 mm x 23.5 mm frames.
The chart below illustrates standard silicon nitride membrane availability as a function of frame and membrane size and thickness.
Although the most popular membranes are square, rectangular membranes are also available and are particularly beneficial when approaching the limit for a given membrane size and thickness combination.
It is possible to increase overall window size as a function of film thickness by producing arrays of membranes to produce multi-element window which are described separately. These are also useful for compartmentalisation of samples for experiments.
Please take a look at our pricing table below, but please note that Minimum Order Quantity (MOQ) requirements do not always apply if we have membranes available from pre-manufactured stock, or especially if there is flexibility on product size or thickness, so it is always worth contacting email@example.com to make an enquiry or to discuss a smaller quantity requirement!
A high-tech company that sells its cutting edge products across the globe has been hailed by an MP as a shining example of how regional support can help a business of any size to achieve its ambitions.
Southam-based Silson, which makes ultra-thin membranes for use in science around the world, has just celebrated its 25th anniversary with the unveiling of the latest phase of its development.
Funding for this project is the result of a successful grant application to the European Agricultural Fund for Rural Development (EAFRD) under the CWLEP Business Development priority.
This funding, managed by the Rural Payments Agency, part financed the development of the first floor of the company’s headquarters into office space and further laboratories.
Follow this link to head to the Warwickshire Means Business website to read more about Silson’s opening day on 28th June 2019.
Southam-based Silson is expanding after securing support from Lloyds Bank Commercial Banking and the University of Warwick Science Park.
A £373,000 funding package from Lloyds Bank has helped director Peter Anastasi to buy new premises at Insight Park and purchase a specialist electron-beam deposition tool.
This investment was also supported by a £35,000 grant from the University of Warwick Science Park’s Business Ready programme. Silson sells its ultra-thin membranes to customers in 35 countries, which include research institutes working with X-ray and electron beam technology.
The new machinery is expected to boost the company’s turnover by adding X-ray filters to its range of products.
Mr Anastasi said: “Our products are unbelievably thin membranes — around 100 nanometres thick. They are made like small windows that allow light to pass through, and that makes them ideal for the use in X-ray and e-beam research. It’s a very niche market.”