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APPLICATIONS

Display

< All applications

We work mainly with FPDs (Flat Panel Displays) to measure different features -arrays, coatings, or spacers- depending on which stage of the manufacture the characterization is performed.

TFT topography

TFT Array in LCD

There is a method of making LCDs (Liquid Crystal Displays) that improves the contrast and speed of the display. It is called TFT (Thin Film Transistor) technology. TFTs are fabricated by means of photolithography and it is vital to know the height of each of the layers.

Multiple Step Height logo plugin

The Multiple Step Height plugin detects 3 different heights and groups the areas of the topography on the belonging height level. In this case, each of the levels detected is a layer deposited to make the TFT array.

multiple-step-height-topo
TFT topography
Foldable smartphone topography

Foldable

smartphone

The latest smartphones and tablets are starting to incorporate flexible screens that can be folded. Our S wide is used by screen manufacturers to characterize the depth and width of the foldable area. In this example, we have used 4×4 stitching.

log66-01l-a-sensoview

Critical dimensions on profile are allowed with this powerful analysis software.

OLED FMM

A fine metal mask (FMM) pattern is used for depositing layers that form the RGB pixels in an OLED display. The width and length of the pattern is characterized since they will define the size of the pixels deposited.

FMM topography
R Hole logo plugin

Trends in a data set can be easily spotted with the automatically generated graphs from data acquired during the analysis with the Rectangular Hole plugin.

R hole plugin topo
Spacer topography

Spacers from TFT

-thin layer transistor

Displays are made of multiple layers that need to be separated a certain distance. Spacers are structures distributed all over the screen to ensure that gap. Spacers can be any shape; most being oval, round, or rectangular.

Spacer logo plugin
Trench topography

UV filter

measurement

There are layers inside some displays that filter potentially hazardous light coming off devices, and some have this shape.

Trench logo plugin
Trench topography

FPD-Coating Tendency

Several coatings are applied during photolithography when manufacturing a display. Often one needs to understand the uniformity of the coating through the structures.

FPD Topography
log66-01l-a-sensoview

This analysis software is an excellent tool for selecting a profile (in any direction) and doing some manual verification. The image shows the coating flatness on the top of the structure being checked.

FPD Topography
log66-01l-a-sensoview

This analysis software is an excellent tool for selecting a profile (in any direction) and doing some manual verification. The image shows the coating flatness on the top of the structure being checked.

Other Applications

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Surface Finish

application-pcb_pads

PCB

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Tooling

Solutions

Non-contact 3D surface metrology

S neox 3D optical systems for Industry and research
S wide 3D optical systems for Industry and research
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Integrable metrology

Integrable Head S wide
Integrable Head S neox
Integratable Head S mart
Integratable Head S onix
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Get answers to your questions!
Connect with an expert

Just write us an email or search for
a direct contact near you.