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Quartz Fabrication
Process Flow
TOSOH Quartz customers often
inquire what the basic process is for the manufacturing of fabricated quartzware. Below are
the process steps, from the bulk raw material to the finished fabricated product. We
have also provided the primary non-quartz materials that are used in each step.
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Process Flow
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Materials Used
in
that Process
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| Quartz
Raw Materials |
Not Applicable |
|
| Ingot,
Tube, Rod |
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| Machining into
Components/Sub Assemblies |
Diamond-Tipped Tooling |
| Coolant |
| Quartz-Covered Steel Plates |
|
| Cleaning |
Degreaser |
| Chemical Grade IPA |
|
| In-Process
QC |
Talc-Free Latex Gloves |
| 0.1Micron Filtered Compressed Air |
|
| Etching |
Chemical Grade HF |
| Chemical Grade HNO3 |
| 18 MegaOhm Deionized Water |
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| Flame
Fabrication/Welding/Flame Polishing |
Hi-Purity Carbon (Jigs, Hand Tools) |
| Chemical Grade H2 |
| Chemical Grade O2 |
| Quartz Burners |
| Small Metal-Tipped Burners |
|
In
Process Grinding
(i.e. drop slotting of vertical boats) |
Diamond-Tipped Tooling |
| Coolant |
| Delrin/Aluminum Jigs |
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| Cleaning |
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| Etching |
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| Final QC |
Talc-Free Latex Gloves |
| 0.1 Micron Filtered Compressed
Air |
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| Clean
Room Packaging |
Class 1000 Clean room |
| Nylon Bagging |
| Natural Polyethylene Bagging |
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| Packaging |
Natural Polyethylene Bagging |
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0.1Micron Filtered Compressed Air: All compressed air is filtered in-house,
with scheduled maintenance on the equipment to assure consistent air quality. |
18 MegaOhm Deionized Water: Water quality is monitored on a 24hr/day basis to
ensure the proper volumes and quality of DI water to meet our customers' cleanliness
requirements. |
Semiconductor Grade H2: Certified by the supplier on each
shipment. |
Chemical Grade HF |
Chemical Grade HNO3 |
Chemical Grade IPA |
Semiconductor Grade 02:
Certified by the supplier on each shipment. |
Class 1000 Clean Room |
Coolant: Certified to contain no
alkalines (Na, Ca,
etc.) that can contaminate
our customers' processes. |
Degreaser: Certified to contain no
alkalines (Na, Ca, etc.) that can
contaminate our customers' processes. |
Delrin/Aluminum Jigs:
Affixes the part steady to facilitate accurate
machining. Contact points are covered in Delrin. |
Diamond-Tipped Tooling |
Hi-Purity Carbon (Jigs,
Hand Tools) |
Bagging: Natural polyethylene |
Bagging: Nylon |
Quartz Burners |
Quartz-Covered Steel Plates |
Talc-Free Latex Gloves |
