
Detectors for transmission electron microscopy - Wikipedia
There are a variety of technologies available for detecting and recording the images, diffraction patterns, and electron energy loss spectra produced using transmission electron microscopy (TEM). Diagram showing the basic design of Scintillator-coupled (Indirect) and …
CCD with phosphor: not direct detection (radiation hardness), phosphor ruins spatial resolution, good for tomography. CMOS: direct detection, good spatial resolution, good sensitivity (single electron detection). In the TEM field CMOS sensors presents many advantages: Direct detection. No loss of resolution due the phosphor. Radiation hardness.
Develop new sensor to match TEM capabilities in terms of position and temporal resolution with direct detection, single electron sensitivity, high resolution and fast imaging capabilities based on monolithic CMOS technology. Large surface (~1 → 4 cm2), rad-hard monolithic CMOS pixel imager with fast readout (up to 400 frames s-
TEM专题 | 冷冻电镜的关键技术与成像原理 - 知乎
2023年11月25日 · 现在有三种主要的Cryo-TEM技术: 单颗粒分析、冷冻断层扫描和MicroED。 1.单颗粒分析 包括拍摄大量纯化的大分子或复合物图像,并结合这些图像来生成粒子的高分辨率三维重建图。 2.在 冷冻断层扫描技术 中,先拍摄一系列倾斜角度的样品图像,然后利用这些图像来对样品进行完整的三维重建。 3.MicroED 利用感兴趣的小晶体蛋白质的衍射图像,使用一组在不同倾斜角度拍摄的衍射图像,就可以高分辨率地重建结构。 许多Cryo-TEM研究只需要2D信息, …
Quantitative characterization of electron detectors for transmission ...
A new generation of direct electron detectors for transmission electron microscopy (TEM) promises significant improvement over previous detectors in terms of their modulation transfer function (MTF) and detective quantum efficiency (DQE).
Rio 相机 | Gatan, Inc.
向您隆重介绍 Rio®,Gatan 最新一代 CMOS相机,将在所有应用领域为您带来颠覆性的 TEM 使用体验。 有了 Rio,您将不再需要在相机的视场大小、分辨率、速度和灵敏度之间做出取舍——您将同时获得上述所有特性。
Imaging | Gatan, Inc.
There are only two steps in TEM imaging with direct detection: One key difference between conventional and direct detection is a custom CMOS sensor that utilizes the only radiation-hard architecture that can tolerate direct exposure to high-energy particles.
Direct detectors and their applications in electron microscopy for ...
2021年7月28日 · More recently, complementary metal oxide semiconductor (CMOS) based detectors have become available for TEM as an alternative to CCDs [7]. The sensors employed in typical CCD and CMOS detectors can easily be damaged …
TEM Imaging & Spectroscopy | Gatan, Inc.
Simulation tool to eliminate the guesswork from your EELS and EFTEM compositional mapping experiments. Automates your multi-element EELS and EFTEM data acquisition experiments. Gatan high-performance CMOS, CCD, and direction …
XAROSA B20T – EMSIS ASIA – Electron Microscopy Imaging …
令人兴奋的新款TEM CMOS相机XAROSA B20T,以其全部2000万像素提供了超过每秒30帧的速度,并在速度、分辨率和性价比方面树立了新的标杆。