CA949306A - Method of ultrasonic burnishing of magnetic recording tape - Google Patents

Method of ultrasonic burnishing of magnetic recording tape

Info

Publication number
CA949306A
CA949306A CA113,220A CA113220A CA949306A CA 949306 A CA949306 A CA 949306A CA 113220 A CA113220 A CA 113220A CA 949306 A CA949306 A CA 949306A
Authority
CA
Canada
Prior art keywords
magnetic recording
recording tape
ultrasonic burnishing
burnishing
ultrasonic
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
CA113,220A
Other versions
CA113220S (en
Inventor
Henry V. Barth
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
International Business Machines Corp
Original Assignee
International Business Machines Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by International Business Machines Corp filed Critical International Business Machines Corp
Application granted granted Critical
Publication of CA949306A publication Critical patent/CA949306A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C59/00—Surface shaping of articles, e.g. embossing; Apparatus therefor
CA113,220A 1970-05-21 1971-05-18 Method of ultrasonic burnishing of magnetic recording tape Expired CA949306A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US3940870A 1970-05-21 1970-05-21

Publications (1)

Publication Number Publication Date
CA949306A true CA949306A (en) 1974-06-18

Family

ID=21905287

Family Applications (1)

Application Number Title Priority Date Filing Date
CA113,220A Expired CA949306A (en) 1970-05-21 1971-05-18 Method of ultrasonic burnishing of magnetic recording tape

Country Status (3)

Country Link
JP (1) JPS5233962B1 (en)
CA (1) CA949306A (en)
DE (1) DE2114377C3 (en)

Also Published As

Publication number Publication date
DE2114377A1 (en) 1971-12-02
DE2114377B2 (en) 1979-01-18
DE2114377C3 (en) 1979-09-20
JPS5233962B1 (en) 1977-08-31

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