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    PROFILE THERMOCOUPLES. 
    Reliable temperature measurement is of paramount importance in efficient wafer fabrication. Flokal with a history deeply rooted in servicing of semiconductor wafer fabrication has become a perfect partner in the supply of highly reliable profiling thermocouples.
     
    Multipoint profiling sensor
    Probe type: Single Piece Ceramic Insulator with Fused Quartz Sheath
    Thermocouple type: 
    > Pt/Pt 10% Rh (type S)
    > Pt/Pt 13% Rh (type R)
    > Pt 6% Rh/Pt 30% Rh (type B)
     
    Quartz elbow handle
     
    Ball-joint connection
    (Choice of Connectors)
     
    SPIKE THERMOCOUPLES. 
    Flokal has become a renowned supplier of custom - made Spike profiling thermocouples in both simplex and duplex configurations. We supply custom-designed thermocouples, with any combination of ceramic and lead length.
     
    Spike thermocouples
     
    REFURBISHING. 
    Flokal offers a unique cost saving service for customers. In many cases the valuable metals determining the majority of the TC price, can be refurbished. The refurbished TC’s have the same performance.
     
    PREVENTIVE MAINTENANCE.  
    For our demanding customers we have a consignment stock of critical custom designed TC’s in place. In this way there are no unpleasant surprises in the delivery of critical items during a scheduled shut down.

       

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    HIGH TEMPERATURE TERMOCOUPLES.

       Flokal high temperature thermocouples are available in two versions for temperatures up to 1100°C and 1400°C. Both versions are provided with a highly resistant against chemical attacks and erosion protection tube and guarantees a long life under difficult process conditions. Flokal high temperature thermocouples for temperatures up to 1400°C consist of the protection tube with aluminium connection head and one or two NiCrNi thermocouples. Flokal high temperature up to 1400°C consist of the protection tube with grey cast iron connection head and one or two PtRhPt thermocouples.Special designs with other dimensions or other material according to customers requirements are avaiable on request.

    Features

    Temperature stability up to 1400°C;

    Highly resistant against erosion, corrosion and oxidation;

    Excellent thermal conductivity of protection tube;

    Excellent thermo-shock resistance;

    Protection tube gastight and extremely robust.

    		  

    Technical Data

    Diameter protection tube 20 mm or 25 mm;

    Temperature 1100°C / 1400°C;

    Material connection head aluminium / grey cast iron;

    Thermocouple NiCrNi / PtRhPt;

    Immersion depth 500 - 2000 mm.

    		  

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    ACT TERMOCOUPLES.

    ACT thermocouples are produced using a flame spray technology to deposit a thin coating of platinum, or its alloys, onto an alumina sheath. Standard thermocouple wires, such as type B, R or S, are placed inside the coated sheath, which runs the full length of the assembly.

    KEY FEATURES AND BENEFITS:

    Service life:  ACT assemblies have been proven to last full furnace campaigns of up to 7 years.

    Coating thickness:  The standard coating thickness is 200 microns, but this can be thickened in areas where protection is needed most, such as at the glass line (see picture below).

    Significant cost savings:  The platinum weight on each assembly is reduced by 40 - 60% when compared to a thermocouple with a platinum thimble.

    Weld-free designs:  Rh/Pt thimbles must be welded onto an assembly.  ACT coatings are deposited directly onto alumina so there is no risk of the thimble coming lose and falling into the glass.

    		  

    Stability at high temperatures:  ACT coatings are extremely robust in high temperature applications such as in the crown (separate technical update on grain structure available).

    Design:  We can supply to three standard designs, corresponding to three different sheath sizes.

    Installation:  Installation instructions are included with every ACT thermocouple supplied.

    Refining:  All ACT coatings can be refined after service and the platinum can be reused for future coatings.

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