{"doi":"10.1017/s0424820100107265","title":"On the magnetic electron lens of minimum sphrical aberration","abstract":"<jats:p>For the development of the electron microscope, in which high resolving power is demanded, it is important to construct an electron objective lens with minimum spherical aberration.</jats:p><jats:p>In 1943, one of the authors published the paper on the approximate calculation of the electromagnetic field to give a minimum spherical aberration and also published the papers on small spherical aberration lens design based on this calculation.</jats:p><jats:p>We will speak a comparison between the experimental results and the numerical calculations in practical cases.</jats:p><jats:p>The following line shows the method to get more strictly minimum spherical aberration of magnetic lens.</jats:p><jats:p>In a space charge free electron optical system, where a pure magnetic lens is concerned, differential equation for paraxial electron path is given by</jats:p><jats:p><jats:disp-formula><jats:graphic xmlns:xlink=\"http://www.w3.org/1999/xlink\" mime-subtype=\"png\" mimetype=\"image\" position=\"float\" xlink:href=\"S0424820100107265_inline1.png\" /></jats:disp-formula></jats:p><jats:p>U being the initial voltage applied to the electron beam and γ the path distance from the optical axis Z.</jats:p>","journal":"Proceedings, annual meeting, Electron Microscopy Society of America","year":1978,"id":22276,"datarank":0.0,"base_score":0.0,"endowment":0.0,"self_citation_contribution":0.0,"citation_network_contribution":0.0,"self_endowment_contribution":0.0,"citer_contribution":0.0,"corpus_percentile":null,"corpus_rank":null,"citation_count":0,"citer_count":0,"citers_with_citation_signal":0,"citers_with_endowment":0,"datacite_reuse_total":0,"is_dataset":false,"is_dataset_confidence":null,"is_data_producer":false,"deposit_databanks":null,"is_oa":false,"file_count":0,"downloads":0,"has_version_chain":false,"published_date":null,"fair_score":null,"fair_percentile":null,"algorithm_id":"datarank_citation_only_1hop_v6","ranking_scope":"data_only","authors":[{"id":41300,"name":"A. Ishikawa","orcid":"0000-0002-3561-5633","position":1,"is_corresponding":false},{"id":140589,"name":"S. Suzuki","orcid":null,"position":0,"is_corresponding":false}],"reference_count":0,"raw_metadata":{"has_enrichment":true,"base_score":0.0,"endowment":0.0,"datacite_reuse_total":0,"file_count":0,"downloads":0,"views":0,"has_version_chain":false,"is_dataset":false,"is_oa":false,"pmid":"21071399","pmcid":null,"openalex_id":"https://openalex.org/W3036420059","authors":[],"funders":[],"total_grants":0,"fwci":0.0,"citation_percentile":0.32165948,"influential_citations":0,"citation_trend":[],"oa_status":"closed","license":"https://www.cambridge.org/core/terms","oa_locations":[{"url":"https://www.cambridge.org/core/services/aop-cambridge-core/content/view/S0424820100107265","host_type":"publisher"},{"url":"http://doi.org/10.1017/s0424820100107265","host_type":"journal"}],"fields_of_study":["Electron and X-Ray Spectroscopy Techniques","Advancements in Photolithography Techniques","Advanced Electron Microscopy Techniques and Applications","Materials Science","Physics"],"mesh_terms":[],"keywords":["Spherical aberration","Lens (geology)","Electron optics","Paraxial approximation","Physics","Optics","Contrast transfer function","Magnetic lens","Electrostatic lens","Electron","Magnetic field","Beam (structure)","Quantum mechanics"],"sdg_mappings":[],"linked_datasets":[],"clinical_trials":[],"software_tools":[],"database_accessions":[],"source":"live","citation_network_status":"fetched"},"created_at":"2026-06-06T18:31:42.393877Z","pmid":null,"pmcid":null,"fwci":null,"citation_percentile":null,"influential_citations":0,"oa_status":null,"license":null,"views":0,"total_file_size_bytes":0,"version_count":0,"fair_f":null,"fair_a":null,"fair_i":null,"fair_r":null,"fair_zscore":null,"fair_rationale":null,"fair_model":null,"fair_agent_version":null,"fair_fulltext_source":null,"fair_has_llm":null,"fair_computed_at":null,"clinical_trials":[],"software_tools":[],"db_accessions":[],"linked_datasets":[],"topics":[]}