公式タイトルと情報はIP Exchange PlusとPremiumのユーザーのみが利用可能です。
特許 権利維持 Optical storage is the storage of data on an optically readable medium. Data is recorded by making marks in a pattern that can be read back with the aid of light, usually a beam of laser light precisely focused on a spinning disc. An older example, that does not require the use of computers, is microform.