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 ---
 
-# Computer vision
+# Computer Vision
 
-## [Camera sensors]({{ '/1_cameras.html' | relative_url }})
+## [Camera Sensors]({{ '/1_cameras.html' | relative_url }})
 
 Sensor basics
 
-## [Passive scanning]({{ '/2_passive.html' | relative_url }})
+## [Passive Scanning]({{ '/2_passive.html' | relative_url }})
 
-## [Active scanning]({{ '/3_active.html' | relative_url }})
+## [Active Scanning]({{ '/3_active.html' | relative_url }})
+
+## [Mechanical Digitization]({{ '/4_mechanical.html' | relative_url }})
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+---
+layout: default
+title: Camera sensors
+nav_order: 2
+mathjax: true
+---
+
+# Camera sensors
+{: .no_toc}
+
+## Table of contents
+{: .no_toc .text-delta }
+
+1. TOC
+{:toc}
+
+# Atomic Force Microscopy
+<p>Atomic Force Microscopy(AFM) or Scanning Probe Microscopy(SPM)</p>
+<p>~ nanometer </p>
+
+<img src="images/atomic_force_microscope_block_diagram.png" alt="AFM">
+
+
+
+# Digitizer
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