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====== Crystalmark Etching Tool - DONATED to UCSB Physics ======

^                 Crystalmark                       ^
|              {{tools:crystalmark:location.jpg?200|}}    {{tools:crystalmark:location2.jpg?200|}}            |                                  
| **Tool Type:**                  CNC Airjet Abrasion Cutter                   |
| **Location:**                   Broida?                          |



| **Description:**               This is a dental tool meant for cavity prep, which has been repurposed for CNC cutting of glass and silicon. The airjet end of the CrystalMark has been attached to the head of a Sherline CNC mill.      |
| **Manufacturer:**              CrystalMark                           |

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===== About (Legacy - tool disassembled after loss of performance) =====

The CrystalMark Etcher is located in the Elings 3430 across from the microfluidics station in an arcylic covering. It is attached to the [[sherline_cnc_mill|Sherline CNC Diamond Drill]].

It uses air pressure and aluminum oxide abrasive to cut or etch patterns in materials such as glass or silicon. The kerf is about 800 microns wide. 
 
Patterns and pre-programmed holes can be uploaded via .dxf files to a program which converts dxf patterns to g code, and holes can also be added manually. (See SOP for detailed instructions)

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===== Safety Concerns =====

Inhaling large amounts of aluminum oxide can be hazardous. It is recommended to wear a mask and eye protection when using the CrystalMark.

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===== Training Documentation =====

[[CrystalMarkSOP|CrystalMark SOP]]

===== Example Cuts =====



| {{:tools:wazer_waterjet:example1.jpg?nolink&300 |}} | {{:tools:wazer_waterjet:example2.jpg?nolink&300 |}} |
| **Contour cut in 0.5mm SI wafer** | **Whole pieces cut from wafer** |


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===== Detailed Specifications =====

  * Stepper motor mounts and couplers on X-, Y- and Z-axes
  * Maximum CNC travel positioning speed: 22 in/min
  * Max clearance (table to spindle): 8.00″ (203 mm) 
  * Travel axes x,y,z: 	8.65″ (220 mm), 5.00″ (127 mm), 6.25″ (159 mm)
  * CNC Stepper motor holding torque: 136 oz-in

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===== Reference Documentation =====

Work in progress

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