Results 21 to 30 of about 1,519,209 (383)

A Simple Scanning Electron Microscope [PDF]

open access: yesReview of Scientific Instruments, 1969
A simple scanning microscope has been built which uses a field emission electron gun alone, without the aid of auxiliary lenses. The design and operation of the microscope are described and the calculated performance is compared with experiment. Resolution of 100 Å has been obtained and is shown in transmission electron micrographs.
Crewe, A. V, Isaacson, M., Johnson, D.
openaire   +4 more sources

Persistence pays off: Sir Charles Oatley and the scanning electron microscope [PDF]

open access: yes, 1996
Shortly after World War II, Sir Charles Oatley initiated research at the Cambridge University engineering laboratories on what has evolved into the modern scanning electron microscope.
Everhart, T. E.
core   +1 more source

Closed-Loop Autofocus Scheme for Scanning Electron Microscope

open access: yesMATEC Web of Conferences, 2015
In this paper, we present a full scale autofocus approach for scanning electron microscope (SEM). The optimal focus (in-focus) position of the microscope is achieved by maximizing the image sharpness using a vision-based closed-loop control scheme.
Cui Le   +4 more
doaj   +1 more source

Analisis Scanning Electron Microscope (SEM) Mikroarsitektur Daerah Metafisis Os Femur Tikus Putih (Rattus novergicus) Ovariohisterektomi dengan Pemberian Madu Lebah (Apis dorsata) Hutan Sumbawa

open access: yesJurnal Sain Veteriner, 2018
The aims of this study to determine the effect of honey bees (Apis dorsata) to prevent the decrease of femur density in  ovariohysterctomized rats as animal model of osteoporosis by Scanning Electron Microscope (SEM).
Samsi Yordan   +5 more
doaj   +1 more source

Interface Between MTA and Dental Bonding Agents: Scanning Electron Microscope Evaluation

open access: yesJournal of International Society of Preventive and Community Dentistry, 2017
Aims and Objectives: Nowadays, the material that offers the best sealing characteristic in the field of endodontic treatment is the mineral trioxide aggregate (MTA), nevertheless, this material necessities an adhesive bonding agent to perfectly join to ...
G. Cervino   +6 more
semanticscholar   +1 more source

Studying antimicrobial-induced morphostructural damage of bacteria by Scanning Electron Microscope

open access: yesBangladesh Journal of Pharmacology, 2015
In this investigation, a scanning electron microscopy (SEM) method was used to examine the morphostructural changes in bacterial cells induced by antimicrobial agents.
Shruti Shukla
doaj   +1 more source

Evaluating the efficacy of desensitizing dentifrices on dentinal hypersensitivity management: A scanning electron microscopic analysis

open access: yesJournal of Indian Society of Periodontology, 2021
Introduction: Dentin hypersensitivity (DH) adversely affects quality of life by impairing the ability to eat and drink certain foods, therefore, should be addressed promptly with a contingency plan that includes initial treatment with a noninvasive ...
Vasu Midha   +5 more
doaj   +1 more source

Ultra-structural Observations of Colletotrichum orbiculare on Cucumber Leaves Pre-treated with Chlorella fusca

open access: yesResearch in Plant Disease, 2017
Chlorella is one of the microorganisms which can live autotrophically by their own photosynthesis. It was previously revealed that pre-treatment of Chlorella fusca caused a suppression of appressorium formation on the cucumber leaves after inoculation ...
Yun Ju Lee   +2 more
doaj   +1 more source

Mechanical scanning of the specimen in the scanning electron microscope [PDF]

open access: yesScanning, 2004
AbstractA scanning electron microscope (SEM) system equipped with a motor drive specimen stage fully controlled with a personal computer (PC) has been utilized for obtaining ultralow magnification SEM images. This modern motor drive stage works as a mechanical scanning device.
Makoto Miyamoto, Eisaku Oho
openaire   +3 more sources

Nitrogen implantation with a scanning electron microscope [PDF]

open access: yesScientific Reports, 2018
AbstractEstablished techniques for ion implantation rely on technically advanced and costly machines like particle accelerators that only few research groups possess. We report here about a new and surprisingly simple ion implantation method that is based upon a widespread laboratory instrument: The scanning electron microscope.
St. Jankuhn   +4 more
openaire   +3 more sources

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