Hummingbird Scientific’s microfabrication division provides chips and microfabricated devices for a broad range of in-situ TEM, SEM, X-ray and optical microscopy applications. The primary role of the microfabrication division is to support users of our in-situ specimen holders, and with that in mind, we have developed a full line of chips for our gas, liquid, heating, and electrical biasing holders. The division can also provide custom chips and device design services for other applications.
60+ Varieties
Our microfabrication division produces specialized chips in support of a wide range of in-situ microscopy applications. Examples are the following chip types:
- Window chips (multiple window geometries are available)
- Spacer chips (multiple thickness options are available)
- Electrochemistry chips (multiple electrode materials and geometries are available)
- Multiple-contact biasing chips
- Custom chips
Heater Chips
Different heater chips allow users to control temperature of the specimen in both liquid and gas environmental holders as well as the heating + biasing TEM holder. All our heater chips have closed loop temperature control using an on-chip sensor. Controlling temperature is a key environmental parameter in:
- Reactions of biological structures in liquid environments
- Kinetics and growth of nano-structures, line nano-articles and nano-wires.
- Corrosion
- Catalysis
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Window Chips
When stacked together and sealed by o-rings in the TEM, window and spacer chips form a space of normal atmospheric conditions between the two chips, called an environmental cell. Environmental cells allow researchers to image specimens in-situ in the TEM inside a non-vacuum environment without extensive sample preparation. The holders' features allow researchers to change the conditions within the cell during experiments and observe the influence on the specimen.
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Spacer Chips
When stacked together and sealed by o-rings in the TEM, window and spacer chips form a space of normal atmospheric conditions between the two chips, called an environmental cell. Environmental cells allow researchers to image specimens in-situ in the TEM inside a non-vacuum environment without extensive sample preparation. Spacer chips are available in many thicknesses, allowing users to form liquid or gas flow channels specific to their needs. They can be paired with window chips, electrochemical chips, and heating chips to accommodate a variety of experimental designs.
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Biasing Chips
Hummingbird Scientific’s electrical biasing chips are developed specifically for our electrical biasing in-situ TEM holder and are available in a variety of electrode counts and materials. Electrical biasing holders allow scientists to operate small electrical devices in-situ in the TEM during imaging.
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ElectroChemistry
Electrochemical chips provide up to four electrical contacts inside the environmental cell, creating a complete electrochemical lab inside the TEM. The chip's electrical leads are available in a large variety of electrochemical electrode patterns and materials.
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Functionalization
We recognized that the surface functionalization of membrane window chips in liquid and gas cell, as well as other TEM experiments can greatly enhance experimental capabilities. Therefore, Hummingbird Scientific and Dune Sciences have entered into an exclusive partnership, combining Hummingbird’s specialized liquid and gas cell and other in-situ microscopy holders and chips and Dune Sciences’ full range of surface functionalization products.
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Custom Development
In addition to our standard biasing, liquid and gas cell chip products, the Microfabrication team at Hummingbird Scientific is excited to offer custom design and fabrication services to meet the unique needs of your experiment or process. Our full service capabilities allow us to take a device design completely from concept to completion. We are eager to work with you, so let us know about your needs.
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Our team of scientists, engineers, and technicians have extensive experience in advanced semiconductor device design, processing, and inspection. Together we are re-imagining the in-situ experiments that are possible inside your microscope.
Wafers are inspected throughout the fabrication process to ensure that they adhere to all specifications. In post-processing, all chips are subjected to our rigorous proprietary chip cleaning process. They are then individually inspected for dimensional accuracy and cleanliness. Finally, they are packed in clean room conditions and remained sealed until they reach the user’s lab.
To help keep the chips as clean as possible once they reach your lab, we include chip-handling protocols as part of on-site product training. These processes help users maintain the cleanest and highest-quality chips and thus the best sample and imaging conditions in the microscope.
Hummingbird Scientific has a web store for users of our liquid, gas, heating and electrical biasing holders. Do you have one of these holders? Once your account has been created, you’ll be able to browse our wide array of microfabricated chips and accessories and find detailed information about all our chip configurations, all with the click of a button. You’ll also be able to order custom chips online.
Optimized for an easy shopping experience, our web store is designed to get you the microfabricated technology you need, when you need it