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Yes. It is a flexible ceramic. The definition of a ceramic is brittle. This material can be bent but not folded.

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ENrG is tooled for five sizes. Evaluation kits are available for purchase. Kit sizes and piece quantities are described on the Products page and the Product Sheet.

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  • Fast response heaters
  • Protective cladding for wear or chemical environments
  • Gas sensors
  • Flexible heaters
  • IR windows
  • Solar PV cells
  • Fuel cells
  • Actuators
  • Embedded heaters
  • Micro heaters
  • Battery membranes
  • Superconductors
  • Piezoelectrics
  • Cryogenic sensors 
  • Mechanical sensors
  • Vibration sensors
  • Optical sensors
  • And possibly others

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The technology is scalable. ENrG's current line supports up to 12cm x 15cm capability. Equipment and tooling changes can be done to go larger.

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You should keep in mind that the ceramic is very thin, and although self-supporting, it will flex, warp, or buckle if coatings are not applied that match the thermomechanical properties of the ceramic.  Also coatings foremost should be equally applied on the front and back to compensate for uneven front to back stresses.  If applying only one side, please be aware that it may be inherently difficult to compensate the thermal expansion coefficient of your coating to within a working range of the ceramic at the desired operation temperature.  In SOFCs, it is common to modulate the electrode coatings with up to 50% YSZ in the ink.

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If an electrical design has the possibility of driving the oxygen ion pump at temperatures above 600 C, it is imperative to analyze your coatings for chemical compatibility with the ceramic.  Coatings such as those containing active alkali, could contaminate the ceramic at elevated temperature when oxygen ions are mobile and create defect vacancies in the ceramic, into which highly active alkali may jump into.  Depending on the rate, level, and time incurred, various compounds could be formed, some of which can radically change the structure and properties of the ceramic.

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It can easily be coated with Ag paste.  If you need a source, we have a relationship with a company that does exactly that.

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The surface finish is 20-25 nm.  Shiny on one side, dull on the other.  There are no dents or projections.

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Yes. Please contact ENrG for a quote.

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Possibly, if the ceramic material is inherently strong. Otherwise it will not have strength below 45 microns thickness. Contact ENrG regarding your request.  Other materials may be available as they become commercial.

If your material is inherently weak, there is nothing our process will do to make it stronger, and hence flexible when thin.

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ENrG is investigating a porous version of Thin E-Strate®. As the porosity increases the ceramic loses strength. The total porosity will top out at about 20% for the ceramic to still be thin and flexible.  If you do not need more porosity then this, please contact ENrG if there is interest in this area.

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ENrG's specialty is ≤ 45µm thick membranes. As yttria-stabilized zirconia increases in thickness, the unique properties of flexing, thermal shock tolerance and low thermal mass no longer apply. There are other suppliers of thicker, standard zirconia.

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 No. It can potentially be clad over other surfaces.

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No. Think tough, diamond-like ceramic. Custom sizes/shapes are formed in the green state, or after sintering only either by laser or diamond wafer sawing.

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The material even so thin, is self supporting and will not need a carrier wafer for processing.

Yes it can be cut with a diamond saw using parameters for sapphire wafer cutting.

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Yes, copper can be either thin film or thick film added to the substrate.

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See the benefits of Thin E-Strate®

Advantages of Using Thin E-Strate®

Thin E-Strate® for active or passive device fabrication. More robust than silicon.

As a ceramic, 3YSZ is inert, of high purity, tolerates processing temperatures to 1200°C, and with its low thermal mass can tolerate high thermal shock during deposition or coating processes.

Being ultra thin to 20 microns thick, it presents a very low thermal resistance path for heat removal and a super thin profile for component coating.  Multi-layers of active layer coated Thin E-Strate® can easily be stacked into low profile components.

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Industry Applications of Thin E-Strate®

Thin E-Strate® redefines the world of robust flexible ultra-thin ceramic foils.  Major applications include:

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    Solar PV
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    Fuel Cells
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    Electronics
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    Gas Sensors
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    Cladding