Preparing replica film of specimen for electron microscopy

Plastic and nonmetallic article shaping or treating: processes – Carbonizing to form article – Agglomeration or accretion

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204165, 250311, 250326, 2504411, 2504421, 264 81, 264 83, 264220, 264221, 427 4, 427 39, 427 41, H05H 100

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044473745

ABSTRACT:
A uniform thin replica film of a specimen for electron microscopy having a high resolution power such as approximately 1 .ANG. is presented. This uniform thin replica film is directly prepared on the specimen by a plasma polymerization technique by depositing organic monomer vapors on a specimen placed on a negative electrode in a high vacuum atmosphere. The deposition is carried out by applying a discharge voltage of from 0.5 to 3 K.V.D.C. between a pair of positive and negative electrodes for 1 to 15 minutes to effect a glow discharge under the conditions of a current density of the glow discharge of from 0.1 and 2 mA/cm.sup.2 and a gas pressure of from 1 to 10.sup.-2 Torr in the system.

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"Styrene Resin Cracking Method for Observing Biological Materials by Scanning Electron Microscopy", Journal of Electron Microscopy, Tanaka et al., vol. 23, No. 4, pp. 313-315 (1974).

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