The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
May. 27, 1997

Filed:

Jun. 07, 1995
Applicant:
Inventors:

Masamune Tabata, Saitama-ken, JP;

Yoshikazu Fujisawa, Saitama-ken, JP;

Kenji Dosaka, Saitama-ken, JP;

Takahiro Gunji, Saitama-ken, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C25D / ;
U.S. Cl.
CPC ...
205104 ; 20419216 ; 427585 ;
Abstract

A slide surface construction which is an inorganic skin film formed of an aggregate of Fe crystals having a body-centered cubic structure. The aggregate includes a large number of {222} oriented Fe crystals with their {222} planes (by Miller indices) oriented toward a slide surface. At least some of these {222} oriented Fe crystals are hexangular pyramid-shaped Fe crystals having six ridge lines. These Fe crystals having six ridge lines ensure that the oil retention of the slide surface construction can be improved, and a slide load acting on the slide surface can be finely divided. The inorganic skin film may be formed by a plating process such as electrolytic plating, chemical vapor deposition, or sputtering. During plating the output of a plating energy source is controlled to produce a pulsed waveform.


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