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.

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.

Cross-section Analysis for Electronics Manufacturing

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

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…

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.

C. elegans adult hermaphrodite gonades acquired using THUNDER Imager. Staining: blue - DAPI (nucleus), green - SP56 (sperm), red - RME-2 (oocyte), magenta - PGL-1 (RNA + protein granules). Image courtesy of Prof. Dr. Christian Eckmann, Martin Luther University, Halle, Germany.

Life Science Research: Which Microscope Camera is Right for You?

Deciding which microscope camera best fits your experimental needs can be daunting. This guide presents the key factors to consider when selecting the right camera for your life science research.

Factors to Consider When Selecting a Research Microscope

An optical microscope is often one of the central devices in a life-science research lab. It can be used for various applications which shed light on many scientific questions. Thereby the…

Challenges Faced When Manually Rating Non-Metallic Inclusions (NMIs) to Determine Steel Quality

Rapid, accurate, and reliable rating of non-metallic inclusions (NMIs) is instrumental for the determination of steel quality. This article describes the challenges that arise from manual NMI rating,…

Top Issues Related to Standards for Rating Non-Metallic Inclusions in Steel

Supplying components and products made of steel to users worldwide can require that a single batch be compliant with multiple steel quality standards. This user demand creates significant challenges…

Analyzing Non-metallic Inclusions in Steel

Oftentimes we find ourselves caught up in tedious analyses by reticle and comparison chart, time-consuming double-evaluation according to several standards or subjective inspection results with a bias…