(under the class definition) Subject matter in which information is mechanically recorded onto a storage medium to produce variations in the transmissivity or reflectivity of the storage medium.
(1) Note. This subject matter combined with claimed optical reading of the storage medium is classified in subclass 13, above.
(2) Note. This subject matter often includes mechanical
cutting of an opaque layer covering the storage medium.
SEE OR SEARCH THIS CLASS, SUBCLASS:
127+, for mechanical information storage, in general.
