Science Lab

Bem-vindo ao portal de conhecimento da Leica Microsystems. Você encontrará pesquisas científicas e material didático sobre o tema microscopia. O portal oferece suporte a iniciantes, profissionais experientes e cientistas em seus trabalhos e experimentos diários. Explore tutoriais interativos e notas de aplicação, descubra os fundamentos da microscopia, bem como as tecnologias de ponta. Faça parte da comunidade do Science Lab e compartilhe sua experiência.

Particulate contamination in between moving metal plates.

Key Factors for Efficient Cleanliness Analysis

An overview of the key factors necessary for technical cleanliness and efficient cleanliness analysis concerning automotive and electronics manufacturing and production is provided in this article.

Images of the same area of a processed wafer taken with standard (left) and oblique (right) brightfield illumination using a Leica compound microscope. The defect on the wafer surface is clearly more visible with oblique illumination.

Rapid Semiconductor Inspection with Microscope Contrast Methods

Semiconductor inspection during the production of patterned wafers and ICs (integrated circuits) is important for identifying and minimizing defects. To increase the efficiency of quality control in…

Preparation of an IC-chip cross section: grinding and polishing of the chip cross section.

How to perform cross-section analysis for Quality Control of PCBs, PCBAs, ICs and batteries

Cross-section analysis for electronics concerning quality control and failure analysis of printed circuit boards (PCBs) and assemblies (PCBAs), integrated circuits (ICs), etc.

Image of immunofluorescently labelled cells where mitochondria are indicated with red, nuclei with blue, and actin with green.

Studying Virus Replication with Fluorescence Microscopy

The results from research on SARS-CoV-2 virus replication kinetics, adaption capabilities, and cytopathology in Vero E6 cells, done with the help of fluorescence microscopy, are described in this…

Fluorescence microscopy image of liver tissue where DNA in the nuclei are stained with Feulgen-pararosanilin and visualized with transmitted green light.

Epi-Illumination Fluorescence and Reflection-Contrast Microscopy

This article discusses the development of epi-illumination and reflection contrast for fluorescence microscopy concerning life-science applications. Much was done by the Ploem research group…

Material sample with a large height, size, and weight being observed with an inverted microscope.

Five Inverted-Microscope Advantages for Industrial Applications

With inverted microscopes, you look at samples from below since their optics are placed under the sample, with upright microscopes you look at samples from above. Traditionally, inverted microscopes…

Image of an onion flake taken with a basic Leica compound microscope after it was tested for resistance to fungus and mold growth following part 11 of the ISO 9022 standard.

ISO 9022 Standard Part 11 - Testing Microscopes with Severe Conditions

This article describes a test to determine the robustness of Leica microscopes to mold and fungus growth. The test follows the specifications of the ISO 9022 part 11 standard for optical instruments.

EBSD grain size distribution of the cross section of a gold wire within a silicon matrix from inside a CPU (central processing unit of a computer). The grains are highlighted with arbitrary colors.

High-Quality EBSD Sample Preparation

This article describes a method for EBSD sample preparation of challenging materials. The high-quality samples required for electron backscatter diffraction are prepared with broad ion-beam milling.

Stereo microscopes are often considered the workhorses of laboratories and production sites.

Key Factors to Consider When Selecting a Stereo Microscope

This article explains key factors that help users determine which stereo microscope solution can best meet their needs, depending on the application.