CR-39 track etching and blow-up method

Details CR-39 track etching and blow-up method CR-39 track etching and blow-up method

1985-10-15

1987-03-10

Valentine, Donald R.

Chemistry: electrical and wave energy

Processes and products

Electrostatic field or electrical discharge

20412955, 20412975, C25F 302

Patent

active

046489509

ABSTRACT:
This invention is a method of etching tracks in CR-39 foil to obtain uniformly sized tracks. The invention comprises a step of electrochemically etching the foil at a low frequency and a "blow-up" step of electrochemically etching the foil at a high frequency.

REFERENCES:
patent: 3303085 (1967-02-01), Price et al.
patent: 4455200 (1984-06-01), Okamoto
L. Tommasino et al., "A New Etching Technique for Damage Track Detectors", Radiation Effects, vol. 20, pp. 253-255, 1973.
Al-Najjar, S. A. R. et al., Electrochemical Etching of CR-39 Plastic: Applications to Radiation Dosimetry, Nuclear Tracks, vol. 3, pp. 169-183, 1979.
Tommasino, et al., "Different Etching Processes of Damage Track Detectors for Personnel Neutron Dosimetry", Nuclear Tracks and Radiation Measurements, vol. 8, No. 1-4, pp. 335-339 (1984).

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