229910052782 aluminium Inorganic materials 0.230000001276 controlling effect Effects 0.000 description 2.238000007796 conventional method Methods 0.000 description 3.238000010276 construction Methods 0.000 abstract description 4.229910052751 metal Inorganic materials 0.000 claims description 5.230000000694 effects Effects 0.000 claims abstract description 6.238000005520 cutting process Methods 0.000 claims abstract description 6.238000004519 manufacturing process Methods 0.000 claims abstract description 19.Check official timezones, exact actual time and daylight savings time conversion. 239000004065 semiconductor Substances 0.000 claims abstract description 21 Current local time in Chicago, Cook County, Illinois, USA, Central Time Zone.239000003365 glass fiber Substances 0.000 claims abstract description 27.230000003287 optical Effects 0.000 title claims abstract description 138.Assignors: HATTORI, SEIJI, KAWAKAMI, SHOJIRO, SHIRAISHI, KAZUO, BABA, KAZUTAKA Application granted granted Critical Publication of US5040863A publication Critical patent/US5040863A/en Anticipated expiration legal-status Critical Status Expired - Fee Related legal-status Critical Current Links Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.) Filing date Publication date Priority to JP63-276030 priority Critical Priority to JP63276030A priority patent/JPH02123321A/en Application filed by TOKYO ELECTRICAL CO Inc filed Critical TOKYO ELECTRICAL CO Inc Assigned to TOKYO ELECTRIC POWER CO., INC., THE reassignment TOKYO ELECTRIC POWER CO., INC., THE ASSIGNMENT OF ASSIGNORS INTEREST. Original Assignee TOKYO ELECTRICAL CO Inc 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 or warranty as to the accuracy of the list.) ![]() Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) Expired - Fee Related Application number US07/403,491 Inventor Shojiro Kawakami Kazuo Shiraishi Kazutaka Baba Seiji Hattori Current Assignee (The listed assignees may be inaccurate. Google Patents US5040863A - Optical isolatorÄownload PDF Info Publication number US5040863A US5040863A US07/403,491 US40349189A US5040863A US 5040863 A US5040863 A US 5040863A US 40349189 A US40349189 A US 40349189A US 5040863 A US5040863 A US 5040863A Authority US United States Prior art keywords optical polarizer optical isolator array films Prior art date Legal status (The legal status is an assumption and is not a legal conclusion.
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