Search Results - "van Groenou, A. Broese"

Level differences in hybrid heads after contact with various tapes by van Groenou, A.B., Meulenbroeks, H.J.J.C., de Jongh, M.

“…A level difference is formed between the metal and oxide in hybrid heads, such as metal-in-gap and sandwich heads, when used against tapes based on Fe pigment…”
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Ultrathin wear-resistant coatings for the tape bearing surface of thin-film magnetic heads for digital compact cassette by Zieren, V., de Jongh, M., van Groenou, A.B., van Zon, J.B.A., Lasinski, P., Theunissen, G.S.A.M.

“…The introduction of the digital compact cassette system into the consumer market imposed some severe requirements on the durability of the thin-film heads used…”
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On the interpretation of tape friction by van Groenou, A.B.

“…Friction between tape and guiding pins or recording heads is determined by the mechanical interaction of the microscopic asperities on the two surfaces in…”
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Slip patterns in sliding sphere experiments on (111) single crystal MnZn ferrite by VAN GROENOU, A. B, KADIJK, S. E

“…By sliding a 0.25 mm radius ruby sphere on a (111) MnZn ferrite crystal, grooves were made at speeds of 4 to 400 micron/s, at loads from 0.5 to 4N after 1 to…”
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Slip patterns in sliding sphere experiments on (110) single crystal Mn-Zn ferrite by BROESE VAN GROENOU, A, KADIJK, S. E

“…By sliding a 0.25 mm radius ruby sphere on a (110) Mn-Zn ferrite crystal, grooves were made at speeds from 0.4 to 400 micron/s, at loads from 1 to 7 N and…”
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Scratch-modified magnetic domain patterns in garnet films by van Groenou, A. Broese

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Permalloy/Sendust metal-in-gap head by Sillen, C.W.M.P., Ruigrok, J.J.M., van Groenou, A.B., Enz, U.

“…By first depositing a thin films of Permalloy on a recording head no pseudogaps occur. At the gap the relative wear is slight, due to the presence of the…”
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Heads for high-density magnetic tape recording by van Groenou, A.B.

“…Various limitations in the design of recording heads are reviewed. Track definition and gap length, the need for small heads and possible improvements in the…”
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Grinding of ferrites, some mechanical and magnetic aspects by van Groenou, A.

“…A review is given of grinding, the resulting mechanical deformation and the effects on the magnetism of ferrites. The grinding system is divided into…”
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A quick test on wear of head materials by recording tapes by Van Groenou, A., Uijterschout, M.

“…A test is described that, within minutes, produces wear data on recording head material-tape combinations. A moving tape is pressed with the coated side…”
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Nachwirkungsmechanismen in Ferriten by van Groenou, A. Broese

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Relaxation of Ferromagnetic Precession by Excitation of Spin Waves in Polycrystalline Nickel-Cobalt Ferrites by Vrehen, Q. H. F., van Groenou, A. Broese, de Lau, J. G. M.

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