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Study of photoresist pregrooved structures 光刻胶预刻槽结构的研究
Optical Storage and Information Data Storage Pub Date : 1993-08-13 DOI: 10.1117/12.150656
C. Jiang, Weidong Yang, Lijuan Wang, Dawen Wang, C. Bai
{"title":"Study of photoresist pregrooved structures","authors":"C. Jiang, Weidong Yang, Lijuan Wang, Dawen Wang, C. Bai","doi":"10.1117/12.150656","DOIUrl":"https://doi.org/10.1117/12.150656","url":null,"abstract":"Theoretical and experimental profiles of pregrooved cross-section in coated photoresist layers with a thickness of 470 nm and 150 nm on glass substrates are given. The experiment has been performed on the photoresist cutting machine using focused argon laser beam and AZ-1350 photoresist. The results from scanning tunneling microscope (STM) and scanning electron microscope (SEM) images are also discussed.","PeriodicalId":212484,"journal":{"name":"Optical Storage and Information Data Storage","volume":"198 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1993-08-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121887197","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Investigation of critical-angle focus-error detection 临界角对焦误差检测的研究
Optical Storage and Information Data Storage Pub Date : 1993-08-13 DOI: 10.1117/12.150662
Song Shen, D. Cui, Xiong Qian, Yongming Shu
{"title":"Investigation of critical-angle focus-error detection","authors":"Song Shen, D. Cui, Xiong Qian, Yongming Shu","doi":"10.1117/12.150662","DOIUrl":"https://doi.org/10.1117/12.150662","url":null,"abstract":"A simple and precise mathematical model of critical-angle focus error detection method is proposed in this paper. Factors which affect the focus error signals are analyzed and the curve of focus error signals with different parameters are given. The improvement of optical gain is also discussed.","PeriodicalId":212484,"journal":{"name":"Optical Storage and Information Data Storage","volume":"13 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1993-08-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127603425","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Theoretical models and comparison of three focus-error detection methods 三种聚焦误差检测方法的理论模型及比较
Optical Storage and Information Data Storage Pub Date : 1993-08-13 DOI: 10.1117/12.150660
Song Shen, D. Cui, Xiong Qian, Yongming Shu
{"title":"Theoretical models and comparison of three focus-error detection methods","authors":"Song Shen, D. Cui, Xiong Qian, Yongming Shu","doi":"10.1117/12.150660","DOIUrl":"https://doi.org/10.1117/12.150660","url":null,"abstract":"Comparison of three common focus error detection methods is made on a unified theoretical background. New mathematical models are built up on physical optics. The compared items are theoretical optical gain, adjustment factors, etc., and the theoretical and experimental results are given.","PeriodicalId":212484,"journal":{"name":"Optical Storage and Information Data Storage","volume":"4 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1993-08-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122098428","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Controller for magneto-optical disk drives 磁光盘驱动器的控制器
Optical Storage and Information Data Storage Pub Date : 1993-08-13 DOI: 10.1117/12.150668
Chunyi Wu, Maotai Hu
{"title":"Controller for magneto-optical disk drives","authors":"Chunyi Wu, Maotai Hu","doi":"10.1117/12.150668","DOIUrl":"https://doi.org/10.1117/12.150668","url":null,"abstract":"A fast software algorithm is used to compute the remainder of interleaved Reed-Solomon ECC in order to get the error location of read data. By using the erasable-programmable-logic- device (EPLD) together with Winchester controller chips, we built a so-called optical/buffer controller. An algorithm may be introduced to solve the write-after-erase problem of MO disk drives.","PeriodicalId":212484,"journal":{"name":"Optical Storage and Information Data Storage","volume":"134 4 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1993-08-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124255273","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Testing of optical disk axial run-out and tilt 光盘轴向跳动和倾斜测试
Optical Storage and Information Data Storage Pub Date : 1993-08-13 DOI: 10.1117/12.150664
Longfa Pan, Duanyi Xu, Mali Gong, Hao Yuan, Jing Pei
{"title":"Testing of optical disk axial run-out and tilt","authors":"Longfa Pan, Duanyi Xu, Mali Gong, Hao Yuan, Jing Pei","doi":"10.1117/12.150664","DOIUrl":"https://doi.org/10.1117/12.150664","url":null,"abstract":"A real time non-contact dynamic testing method for an optical disk is proposed in this paper. The axial run-out and the tilt of the optical disk are measured by two quadrant detectors when the disk is turning at high speed in the drive. The analysis of the results is given with a brief discussion on the error in measurement.","PeriodicalId":212484,"journal":{"name":"Optical Storage and Information Data Storage","volume":"370 2 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1993-08-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115565966","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Microstructure of erasable optic disk thin film investigated by STM/AFM 用STM/AFM研究可擦光盘薄膜的微观结构
Optical Storage and Information Data Storage Pub Date : 1993-08-13 DOI: 10.1117/12.150649
Zhanghua Wu, F. Gan
{"title":"Microstructure of erasable optic disk thin film investigated by STM/AFM","authors":"Zhanghua Wu, F. Gan","doi":"10.1117/12.150649","DOIUrl":"https://doi.org/10.1117/12.150649","url":null,"abstract":"The microstructure of sputtered amorphous magneto-optic media TbFeCo is observed by self- designed scanning tunneling microscopy (STM), and tracks in phase-change media are recorded. GeSbTe is also investigated by atomic force microscopy.","PeriodicalId":212484,"journal":{"name":"Optical Storage and Information Data Storage","volume":"2 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1993-08-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121923579","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Application of exchange-coupled magnetic thin films to magneto-optical recording 交换耦合磁薄膜在磁光记录中的应用
Optical Storage and Information Data Storage Pub Date : 1993-08-13 DOI: 10.1117/12.150672
H. Sugahara, K. Tsutsumi
{"title":"Application of exchange-coupled magnetic thin films to magneto-optical recording","authors":"H. Sugahara, K. Tsutsumi","doi":"10.1117/12.150672","DOIUrl":"https://doi.org/10.1117/12.150672","url":null,"abstract":"The exchange-coupled magnetic films of amorphous rare earth-transition metal alloys have large potentiality for improvement in the characteristics and the function of magneto-optical disks. The studies of the exchange-coupled magnetic films are reviewed and the recent progress in its technology are reported.","PeriodicalId":212484,"journal":{"name":"Optical Storage and Information Data Storage","volume":"38 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1993-08-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123301532","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Optical-storage properties of SrS:Eu, Sm in PMMA film SrS:Eu, Sm在PMMA薄膜中的光存储性能
Optical Storage and Information Data Storage Pub Date : 1993-08-13 DOI: 10.1117/12.150654
Shuchun Chen, Changhong Qi, Fengmei Dai, F. Gan
{"title":"Optical-storage properties of SrS:Eu, Sm in PMMA film","authors":"Shuchun Chen, Changhong Qi, Fengmei Dai, F. Gan","doi":"10.1117/12.150654","DOIUrl":"https://doi.org/10.1117/12.150654","url":null,"abstract":"An erasable and rewritable electron-trapping optical-storage material SrS:Eu, Sm was synthesized. Using the SrS:Eu, Sm-PMMA film, the image-recording experiment was performed. After the picture information is written on the film by the frequency doubled (532 nm) output of a Nd:YAG laser, a clearly discernible red image can be created by using 1.064 nm laser output of proper intensity (0.1 mJ/cm2) to irradiate the film. The written information can be maintained for tens of days in darkness, and one can write, read, and erase the information almost innumerable times.","PeriodicalId":212484,"journal":{"name":"Optical Storage and Information Data Storage","volume":"6 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1993-08-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128895479","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Doping effect on optical recording film with Ge2Sb2Te5 composition Ge2Sb2Te5掺杂对光学记录膜的影响
Optical Storage and Information Data Storage Pub Date : 1993-08-13 DOI: 10.1117/12.150646
T. Matsushita, A. Suzuki, T. Kamitani, M. Okuda
{"title":"Doping effect on optical recording film with Ge2Sb2Te5 composition","authors":"T. Matsushita, A. Suzuki, T. Kamitani, M. Okuda","doi":"10.1117/12.150646","DOIUrl":"https://doi.org/10.1117/12.150646","url":null,"abstract":"In stoichiometric GeTe-Sb2Te3 films, reversible phase change optical recording materials, Sb addition is used widely to improve the data retention time and the repetition cycles, but its mechanism is not clear. To clarify the effect of excess Sb, the effects of Te and Ge addition were also investigated in the compositions from the stoichiometry Ge2Sb2Te5 toward the vertices in the Ge-Te-Sb triangle. By DSC measurements, it was found that a retention ability for amorphous (`write') states related to the increase of repetition cycles is larger in the Sb addition than in the Te and Ge addition. By XRD measurements, it was understood that an optimum ratio of (Sb,Te)(beta) /GeTe(111), about 0.5 was necessary to static repetition cycles approximately 106 in the laser annealed film of 1000 angstroms thick.","PeriodicalId":212484,"journal":{"name":"Optical Storage and Information Data Storage","volume":"68 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1993-08-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121150712","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Optical properties and recording characteristics of phthalocyanine-derivative LB films 酞菁衍生物LB薄膜的光学性质和记录特性
Optical Storage and Information Data Storage Pub Date : 1993-08-13 DOI: 10.1117/12.150651
F. Gan, T. Luo
{"title":"Optical properties and recording characteristics of phthalocyanine-derivative LB films","authors":"F. Gan, T. Luo","doi":"10.1117/12.150651","DOIUrl":"https://doi.org/10.1117/12.150651","url":null,"abstract":"Langmuir-Blodgett (LB) films of tetra-neopentoxy phthalocyanine zinc and tetra-nonyl phthalocyanine copper are prepared. Their structures, optical properties, and temperature dependencies are investigated. Static optical recording tests by He-Ne laser are done in these LB films and the experimental results demonstrate that phthalocyanine derivates are useful for phase change type erasable data storage media.","PeriodicalId":212484,"journal":{"name":"Optical Storage and Information Data Storage","volume":"57 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1993-08-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128259219","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 3
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