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U7-S08. Fabrication of Chromium masks

Fabrication of Chromium masks

The Chromium mask fabrication service of U7 allows obtaining 5 inches chromium photomasks, with resolution as small as 1 µm for UV photolithography processes. The fabrication of high-resolution photomasks in-house, allows to speed up critical processes requiring masking and to have direct assistance in design for the targeted application.

Customer benefits

Our Chromium mask fabrication service benefits from being part of a bioengineering-specialized research centre, providing wide knowledge in the main applications of these masks in the field of bioengineering, as well as the main techniques that require the use of these type of masks. We offer custom services, assuring close and direct interaction with the client, to meet conclusive results and high-quality needs.

Target customer

Our target customers are researchers in the field of bioengineering or R&D departments of biotech companies which want to test biomedical devices or microstructured surfaces with bioengineering applications.

Additional information


Cr Mask for the fabrication of microfluidic devices.

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U7-S07. Photolithography and soft-lithography manufacturing processes

Photolithography and soft-lithography manufacturing processes

The Photolithography and soft-lithography service of U7, provides full support and assistance in the fabrication of biomedical devices, from design to the final chip. Clean room conditions, lithography tools (optical) and a variety of biocompatible polymers (soft-lithography) are employed for the creation of biomedical devices, as microfluidic chips for cell culture, diagnostic systems, etc.

Customer benefits

Our Photolithography and soft-lithography service benefits from being part of a bioengineering-specialized research centre, providing wide knowledge in the main applications and a large experience in the fabrication of these devices in the field of bioengineering. We offer custom services, assuring close and direct interaction with the client, to meet conclusive results and high-quality needs.

Target customer

Our target customers are researchers in the field of bioengineering, or R&D departments of biotech companies which want to test their custom biomedical prototypes or devices.

Additional information


SU-8 mould on 4” silicon wafer and PDMS microfluidic chip, fabricated from the same silicon mould.

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U7-S06. NIL – Nanoimprint Lithography (On-site&Remote) SINGULAR

Replication of nanostructures on polymers using controlled pressure and temperature. The sructres can be cured by heat (Thermal NIL) or UV light (step-and-flash lithography – SFIL) during the imprinting process.
This technique is widely used for microstructure fabrication for electrical, optical, photonic and biological applications.

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U7-S04. Lytography by e-beam

Lytography by e-beam

An electron beam lithography service allows the fabrication of structures at the nanoscale. By using a combination of different type of electron-sensitive resists, a variety of surfaces with special interest in bioengineering can be processed locally, from metallic to insulators.

Customer benefits

Our electron beam lithography service allows our customers, to locally modify a surface at the nanoscale to study submicron systems.

Target customer

Our target customers are researchers in the field of bioengineering or R&D departments of biotech companies, which want to test models, perform proves of concept, prototypes, etc. at the submicron-scale.

Additional information

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U7-S03. Characterization by SEM

Characterization by SEM

The Scanning Electron Microscopy service of U7 is specialized in the high-resolution imaging of different samples in the bioengineering field. We can investigate surface morphology and topography of biological samples, polymeric structures and tissue, but also of semiconducting materials, inorganic heterostructures, etc. which are commonly related to biomedical devices and/or biomaterials. We provide advice in the preparation of the samples, as well as assistance in their characterization.

Customer benefits

Our SEM service benefits from being part of a bioengineering-specialized research centre, providing wide knowledge in the treatment and imaging of biological samples, devices and biomaterials. We offer custom services, assuring close and direct interaction with the client, to meet conclusive results and high-quality needs.

Target customer

Our target customers are researchers in the field of bioengineering or R&D departments of biotech companies which want to test, characterize, or compare different samples or prototypes.

Additional information

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U7-S01. Training Courses in the Use of microfabrication equipment

Training Courses in the Use of microfabrication equipment

The Training Courses in the Use of microfabrication equipment of U7, provides full knowledge in the theoretical and technical aspects of the techniques and equipment. We provide our clients the necessary know-how on the tools, to conduct their microfabrication processes on their own in an autonomous way, and the theoretical insights to design and optimize new processes and recipes.

Customer benefits

Our Training Courses in the Use of microfabrication equipment, benefits from being part of a bioengineering-specialized research centre, providing wide knowledge in the main applications and a large experience in the fabrication of biomedical devices in the field of bioengineering with different techniques and materials. We offer custom services, assuring close and direct interaction with the client, to meet conclusive results and high-quality needs.

Target customer

Our target customers are researchers in the field of bioengineering, or R&D departments of biotech companies which want to fabricate their custom biomedical prototypes or devices.

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U6-S11. Specific density of powders (On-site&Remote) OUTSTANDING

Specific density of powders

Volume and density measurement of porous solids and powders.
Fully automated gas pycnometer, for the measurement of volume and density of powders, granular materials, and solid objects. Typical applications include: porous materials such as catalysts and activated carbons, pharmaceuticals and excipients , foods (raw, refined and end products), ceramics and refractory materials, geological samples (soils, rocks, sediments), building materials (concrete, cement), polymers and composites.
The equipment for this purpose is Ultrapyc 1200e Helium Pycnometer (Quantachrome Instruments).

Customer benefits

The equipment provides density measurements of solids and powders for customers who need to characterise this property and add value to their materials.

Target customer

Universities, public research organisations and pharmacological and chemical industries.

Additional information

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U6-S12. Packed (tapped) density (On-site) OUTSTANDING

Packed (tapped) density

Each particle of a solid material has effectively the same true density regardless of size or shape, but more or less geometric space is occupied by the material according to the relative particle-particle cohesion and mechanical interference. That is, the apparent bulk densities of powdered, granular or flaked materials are highly dependent on the manner in which the particles are packed together. Furthermore, handling or vibration of particulate material causes the smaller particles to work their way into the spaces between the larger particles. The geometric space occupied by the powder decreases and its density increases; ultimately no further natural particle packing takes place without the addition of pressure and maximum particle packing is achieved.
The equipment for this purpose is Autotap (Quantachrome Instruments).

Customer benefits

The equipment provides tapped density measurements of powders for customers who need to characterise this property and add value to their materials.

Target customer

Universities, public research organisations and industries.

Additional information

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U6-S03. Design of experiments (DOE SOFTWARE)

Design of experiments (DOE SOFTWARE)

We offer a Software platform and assitance in performing Design of Experiments, a systematic and statistical approach to planning, conducting, and analyzing experiments or tests. It involves strategically manipulating variables to gather relevant and reliable information while minimizing resources and time.

Customer benefits

DOE helps researchers and engineers understand the relationships between factors, identify optimal conditions, and improve processes by optimizing performance and reducing variability.

Target customer

Manufacturing companies and research groups dealing with experimentation.

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U6-S04. Analysis of particle size, concentration and Z-potential of nanoparticles (On-site&Remote) OUTSTANDING

Analysis of particle size, concentration and Z-potential of nanoparticles

Measurement of the particle size distribution, Z-potential and concentration of solid or dispersed materials (suspensions, liposome, vesicles, emulsions).

The equipments for the analysis are the following:

  • Zetasizer Nano & Ultra (Malvern Panalytical)
  • Mastersizer 2000 (Malvern Panalytical)
  • Nanosight NS300 (Malvern Panalytical)

Customer benefits

The equipment provides particle size, concentration and Z-potential measurements for customers who need to characterise these physico-chemical properties and add value to their materials.

Target customer

Universities, hospitals, public research organisations and pharmacological and chemical industries.

References

  • Nanomedicine 2020 24:102136. 10.1016/j.nano.2019.102136.
  • ACS Appl. Mater. Interfaces 2020, 12, 18, 20253–20262 https://doi.org/10.1021/acsami.0c03040
  • Chem. Mater. 2022, 34, 19, 8517–8527 https://doi.org/10.1021/acs.chemmater.2c00384

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