# The Export of Goods (Control) Order 1994, Paragraph 9: Table—Deposition Techniques—Notes


Sensor window materials, as follows: alumina, silicon, germanium, zinc sulphide, zinc selenide, gallium arsenide and the following metal halides: potassium iodide, potassium fluoride, or sensor window materials of more than 40 mm diameter for thallium bromide and thallium chlorobromide.

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Source: https://www.legislation.gov.uk/uksi/1994/1191/schedule/1/paragraph/9 (the official version)
Page: https://openlegislation.uk/export-of-goods-control-order-1994/schedule-1/paragraph-9
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.