Coating processes – Electrical product produced – Integrated circuit – printed circuit – or circuit board
Patent
1981-06-19
1983-01-11
Hoffman, James R.
Coating processes
Electrical product produced
Integrated circuit, printed circuit, or circuit board
427163, G02B 5128
Patent
active
043679200
ABSTRACT:
New methods for making "embedded-lens" retroreflective sheeting, and new forms of such sheeting, are provided. The new sheetings are retroreflective through an increased angular range, and also provide brighter overall retroreflectivity and other advantageous properties.
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Coderre James C.
Tung Chi F.
Alexander C.
Hoffman James R.
Minnesota Mining and Manufacturing Company
Sell D. M.
Tamte R. R.
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