А лазер у Отари всё же участвовал в процессе - грел плёнку в зоне контакта мастера и бланка.
Immediately before the copy tape came into contact with the mother tape, a focused laser beam heated it to its Curie point at which its value of coercivity dropped to very low values so that it picked up a near perfect copy of the mother tape as it cooled.
