G 138
CAP. 601
Import and Export (Strategic Commodities) Regulations
[1988 Ed.
[Subsidiary]
IL 1586
IL 1587
(b) High speed cameras in which the film does not move, and which are capable of recording at rates exceeding 1,000,000 frames per second for the full framing height of standard 35 mm wide photographic film, or at proportionately higher rates for lesser frame heights, or at proportionately lower rates for greater frame heights;
(c) Cameras incorporating electron tubes covered by Item IL 1555(a);
(d) Streak cameras having writing speeds of 10 mm/microsecond and above;
(e) Camera shutters with speeds of 50 nanoseconds or less per operation, and specialized parts and accessories therefor;
(f) Film, as follows:
(1) Having an intensity dynamic range of 1,000,000:1 or more;
(2) Having a speed of ASA 10,000 (or its equivalent) or better; or
(3) Colour film having a spectral sensitivity extending beyond 7,200 Angstroms or below 2,000 Angstroms;
(g) High speed plates having an intensity dynamic range of 1,000,000:1 or more.
Acoustic wave devices, as follows, and specially designed components therefor:
(a) Surface acoustic wave and surface skimming (shallow bulk) acoustic wave devices (i.e., signal-processing devices employing elastic waves in materials, including but not limited to lithium niobate, lithium tantalate, bismuth germanium oxide, silicon, quartz, zinc oxide, aluminium oxide (sapphire), gallium arsenide and alpha-aluminium phosphate (berlinite)), which permit direct processing of signals, including but not limited to convolvers, correlators (fixed, programmable and memory), oscillators, bandpass filters, delay lines (fixed and tapped) and non-linear devices having any of the following characteristics:
(1) A carrier frequency of greater than 400 MHz;
(2) A carrier frequency of 400 MHz or less, except those specially designed for home electronics and entertainment type applications, having any of the following characteristics:
(i) A side-lobe rejection of greater than 45 dB;
(ii) A product of the maximum delay time and the bandwidth (time in microseconds and bandwidth in MHz) greater than 100;
(iii) A dispersive delay of greater than 10 microseconds;
(iv) An insertion loss of less than 10 dB;
(b) Bulk (volume) acoustic wave devices (i.e., signal processing devices employing elastic waves in the various materials described in (a) above) which permit direct processing of signals at frequencies over 1 GHz, including but not limited to, fixed delay lines, non-linear and pulse compression devices;
(c) Acousto-optic signal processing devices employing an interaction between acoustic waves (bulk wave or surface wave) and light waves which permit the direct processing of signals or images, including but not limited to spectral analysis, correlation and convolution.
Technical Note:
This sub-item embargoes devices made from acousto-optic materials, including but not limited to lithium niobate, bismuth germanium oxide, bismuth silicon oxide, gallium arsenide, gallium phosphide, tellurium oxide and lead molybdenate.
Quartz crystals and assemblies thereof in any stage of fabrication (i.e., worked, semi-finished or mounted), as follows:
(a) For use as filter elements, and having either of the following characteristics:
(1) Designed for operation over a temperature range wider than 125°C;
(2) Crystals or assemblies of crystals which use the trapped energy phenomenon and which have more than three series or parallel resonances on a single quartz element;
(b) For use as oscillator elements specially designed for temperature-controlled crystal ovens or for TCXO's covered by (c) below, and having an average ageing rate of ±1 x 10-9 per day or better (less);