Classification system

10X

Classified

Abstracts

Classification L

General

Vacuum

Science

System 34. High Altitude and Space Technology ion propulsion, etc.) 35. Impregnation and Potting

and Engineering

(Books, review articles, bibliographies, techniques, articles on basic vacuum and

summaries, physics)

10.

Vacuum Science articles, etc.)

11.

Production of Low Pressures maries, etc.)

12.

Measurement of summaries, etc.)

13.

Vacuum Applications maries, etc.)

14.

Kinetic Theory of Gases (transport phenomena, diffusion through vapours, molecular flow of gases, etc.)

Low

Technology

general

(books,

review

(review articles,

36. Drying, Degassing and Concentration freeze-drying, glass processing, evaporation etc.)

sum-

(books,

(review

Metallurgy, Inorganic Chemistry, Analytical Chemistry (production and analysis of metals and inorganic melting, casting, annealing, sintering, chemicals, degassing in molten state, vacuum fusion gas analysis, mass spectrometer analysis of inorganic materials, etc.) 38. Distillation, Organic Chemistry, Isotopic Gas Analysis Applications (fumigation, etching, 39. Miscellaneous forming, surface area measurement, pyrolytic plating, etc.)

articles,

review articles,

sum-

Fluid Dynamics (turbulent and viscous flow of gases, flow through nozzles, boundary layer flow, etc.) 16. Gases and Solids (sorption, diffusion through solids, permeation, etc.) 17.

Thermodynamics (compression, temperature, reacdissociation, vapour pressure, tions, vaporization, cryogenics, etc.)

18.

Gaseous Electronics emission, etc.) Radiation etc.)

(ionization,

(light, heat, X-rays,

discharges, microwave

IV.

Materials

Vacuum

Apparatus

40.

plasma, radiation,

and Auxiliaries

Metals and Alloys (including mercury) Glass, Ceramics and Refractory Plastics and Elastomers

22. Gauges (including

mass spectrometer

V.

48.

Heating, Refrigeration,

49.

Miscellaneous

Basic Science

51. 52. 53. 54. 55. 56. 57.

59.

Applications

30. Evaporation and Sputtering (to form solid coatings) 31. Evacuation and Sealing (electronic tubes, switches, lamps, vacuum insulation, gas-filled devices) (particle accelerators, counters, plasma 32. Nucleonics machines, isotope separation, etc.) 33. General Physics and Electronics (electron tube physics, electron microscopy, diffraction camera, field emission microscope, spectroscopes, X-ray tubes. low-temperaphysics,

atomic

beam<,

molecular

Centrifuging

beams,

etc.)

purposes)

50. Mathematics

58.

ture

Ultrasonics,

Materials and Techniques

and Engineering

(For cross-reference

Miscellaneous

Vacuum

Paints, Oils

types)

27. Leak Detectors and Leak Detection Equipment and Thermometers (ovens, 28. Heating resistance heating units, induction heating units, electron bombardment units, thermometers, thermocouples, thermoregulators, pyrometers, etc.)

III.

Waxes, Lubricants, Cements, Lacquers, Soldering, Welding, Brazing, Solders

47.

vacuum

(joints, pipe, gaskets, fittings, flanges, 23. Plumbing glass-to-metal seals, shaft seals, windows, ports, etc.) variable leaks, gas introducing 24. Valves (stopcocks, devices, needle valves, etc.) 25. Baffles, Traps and Refrigeration Equipment 26. Automatic Protective and Control Equipment (cut-offs, switches, liquid level controls, manostats, etc.)

29.

Oxides

Glass Blowing, Glass-to-metal and Ceramic-to-metal Sealing Techniques Outgassing Data, Vapour Pressure Data, Gettering Data, Residual Gases in Vacuum Systems, Residual Gas Analysis

46.

21. Pumps and Pump Fluids (mechanical pumps, vapour pumps, getter-ion pumps, cryopumps, etc.)

Gases and Vapours

42. 43.

(Design, testing, operation, performance and techniques of using individual apparatus for the production, measurement and control of low pressures)

Used in Vacuum Technology

composition, purification and use of materials ; and processing techniques)

41.

45.

20. Pumping Systems (plant, vacuum chambers, furnaces, vacuum coaters, etc.)

and Techniques

(Properties, fabrication

44. II.

(including of solvents,

37.

Pressures

15.

19.

(test chambers,

VI.

Physics, Astronomy, Physical Chemistry

Geophysics

Metallurgy, Ceramics, Inorganic Chemistry Biology, Biochemistry, Pharmaceutics, Toxicology, Organic Chemistry Chemical Engineering Electrical Engineering, Electronic Devices Mechanical Engineering

Circuits.

Electrical

Nucleonics Miscellaneous

Miscellaneous

60. History, Biography 61. Standards, Nomenclature, Units 62. Education, Training, Lecture Demonstrations Abstracts, Bibliographies 63. Documentation, 64. Book Reviews, Symposia Programmes and Reports 65. Professional Societies, Committees, Organizations