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mr-UVCur26SF
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Unique Features

  • Inkjet dispensing at room temperature due to low viscosity (15 mPas), e.g. for step-and-repeat NIL processes
  • No prebake after substrate coating due to solvent-free resist formulation
  • Very fast curing for high throughput R2R-NIL, web speed up to 30 m/min shown
  • Good adhesion to PC and PET substrates
  • Excellent dry etch stability for pattern transfer processes
  • Residue-free removable with oxygen plasma
Application examples

Applications

  • Etch mask for pattern transfer processes (dry and wet etching)
  • Application of  nanostructures on polymer foils
  • Fabrication of nanostructures for
    • Nano-optical devices, SOEs
    • Organic electronics (OLED, OPV, OTFT)
    • Microelectronics
    • LEDs, photonic crystals
mr-UVCur26SF is a pure organic and solvent-free Photo-NIL resist developed for inkjet dispensing. The low viscosity and the fast photo-curing reaction makes mr-UVCur26SF suitable for continuous roll-to-roll NIL processes.
Photo-curable NIL-Resist

Process parameters for inkjet dispensing

Process step Process parameter
Inkjet parameter Piezo actuated printhead, dispensing possible at room temperature
Prebake Not necessary (solvent-free)
Imprint temperature Room temperature
Imprint pressure > 100 mbar
Radiation dose > 500 mJ cm-2 (λ =  320 – 420 nm)
Thinner Not recommended
Primer mr-APS1 (e.g. for Si)

 Process parameters for roll-to-roll NIL

Process step Process parameter
Resist application method Gravure printing, inkjet dispensing, etc.
Prebake Not necessary (solvent-free)
Web speed Depending on and limited by tool setup and light source, up to 30 m/min shown so far
Imprint temperature Room temperature
Imprint pressure Depending on roller imprinter
Radiation dose > 500 mJ cm-2 (λ =  320 – 420 nm)
Thinner Not recommended
Primer Not necessary (good adhesion to PC, PET, etc.)

quotation request

Clear

Inkjetable and photo-curable resists for large-area and high-throughput roll-to-roll nanoimprint lithography
M W Thesen et al., Journal of micro/nanolithography, MEMS and MOEMS 13 (2014), Nr.4, Art. 043003
Link: DOI: 10.1117/1.JMM.13.4.043003

Fabrication of Large-Area Flexible SERS Substrates by Nanoimprint Lithography
V Suresh et al., ACS Appl. Nano Mater. 2018, 1, 2, 886-893
Link: https://pubs.acs.org/doi/abs/10.1021/acsanm.7b00295

Inkjet Materials
Read more...
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Functional Materials for Inkjet-printing
micro resist technology offers functional materials for Inkjet-printing. The materials have been specially designed to exhibit a good compatibility to a broad range of inkjet printing tools. The portfolio involves two classes of products providing ideal solutions for the manufacture of micro and nano optical components or functional films. InkOrmo and InkEpo exhibit excellent optical properties as well as high chemical, mechanical and thermal stability. mr-UVCur26SF is solvent-free material which has been specifically designed for nanoimprint lithography (NIL).
Inkjet Materials
Inkjet-printing
3D microstructures
Nano and micro electronics
Wire-grid polarizers
Diffractive optical elements (DOE)
Organic electronics
InkOrmo series
InkEpo series
mr-UVCur26SF series
30. Juni 2020

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Resist Alliance

micro resist technology is a single entry point for specialty chemicals used in micro and nano manufacturing in Europe. The portfolio of in-house products is complemented by the strategic sales of associated products that are manufactured by our international partners. Here we act as a high-service distributor and offer European medium-sized companies a wide range of complementary products from a single source, which can be used for both established and innovative production and manufacturing processes.

DuPont Electronic Solutions (formerly DOW Electronic Materials / Rohm and Haas Europe Trading ApS)

We offer products for semiconductor technologies, advanced packaging and dry film resists from our partner DuPont, with whom we have been working for more than 20 years.

Kayaku Advanced Materials, Inc. (formerly MicroChem Corp.)

We offer photoresists and specialty chemicals for MEMS and microelectronic applications from our partner Kayaku Advanced Materials, with whom we have been working for more than 20 years.

DJ MicroLaminates, Inc.

We offer dry film resists for MEMS, microfluidics and packaging applications from our partner DJ MicroLaminates, with whom we have been cooperating for over two years.

Dry Films

Dry films are ready-to-use polymer films as laminate foil with a high accuracy of the film thickness and excellent adhesion behaviour on various substrates. They are very simple in handling, photo-structurable and both as cut sheets and as roll material available.

  • Available in different film thicknesses
  • UV-crosslinking as negative photoresist
  • Feasibility of high aspect ratios
  • Vertical sidewalls
  • Multi lamination possible – up to 6 layer  complex multi-layer designs
  • High chemical resilience

 

  • Application as permanent material for optical application (e.g. lenses, wave guides …), in micro fluidics
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Functional materials for inkjet-printing

Special designed functional materials from the product groups Hybrid Polymers, Photoresists, and Nanoimprint Polymers for the deposition and alternative patterning using inkjet printing process

  • Available in different viscosities (adjustable)
  • Suitable in commercial inkjet printing devices
  • Focused on high reliability of droplet generation
  • UV-curable formulations

 

  • Usable as a permanent material for optical application (e.g. lenses, wave guides, optical couplers, diffractive elements, …)
  • Packaging material in the micro electronic
  • Deposition / patterning on substrates with surface topography
  • Imprint material for nano-structuring with high dose accuracy
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Nanoimprint Resists

Nanoimprint Lithography (NIL) is a straight forward, low cost, and high throughput capable technology for the fabrication of nanometer scaled patterns. Main application fields are photonics, next generation electronics, as well as bio- and sensor applications.

micro resist technology GmbH has provided tailor-made resist formulations for nanoimprint lithography (NIL) since 1999. The unique key features of our products are outstanding film forming and imprinting performance beside excellent pattern fidelity and plasma etch stability. Besides our highly innovative material developments in close contact to industrial needs, our strength is the ability to adjust our materials in film thickness as well as addressing certain needs of the specific use cases within the formulation. Our nanoimprint resists are mostly applied as an etch mask for pattern transfer into various substrates, like Si, SiO2, Al or sapphire.

Our portfolio covers materials for the classical thermal NIL (T-NIL), in which a thermoplastic polymer is used, as well as UV-NIL, in which a liquid formulation is photo crosslinked upon photo exposure. With our technological expertise and know-how we are able to find the right material for your process and applications. Please contact us for your technical support!

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Hybrid Polymers

micro resist technology offers a broad portfolio of UV-curable hybrid polymer products for micro-optical applications. Their excellent optical transparency and high thermal stability makes them perfectly suitable for the production of polymer-based optical components and waveguides. The main fields of application are micro lenses, diffractive optical elements (DOE), gratings, and single-mode or multi-mode waveguides.

OrmoComp®: DE 30 210 075 433; IR 1 091 982 ; TW 100030626; OrmoClear®: DE 30 210 075 434; IR 1 091 359 ; TW 100030628; OrmoStamp®: DE 30 210 075 435; IR 1 092 621 ; TW 100030629; OrmoPrime®: DE 30 210 075 436

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Positive Photoresists

Positive Photoresists for UV lithography (mask aligner, laser, greyscale exposure) and e-beam lithography

  • Variety of viscosities for 0.1 µm – 60 µm film thickness in one spin-coating step
  • Effective for broadband, g-line, h-line or i-line exposure, laser direct writing at 350…450 nm and e-beam lithography
  • No post exposure bake
  • Easy removal
     
  • For pattern transfer: Etch mask, mould for electroplating, mould for UV moulding
  • Use in microsystems technology, microelectronics, micro-optics – manufacture of e.g. MEMS, LEDs, ICs, MOEMS, fiber optics telecommunications devices, flat panel displays
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Negative Photoresists

Photoresists for UV (mask aligner, laser)/ DUV and e-beam lithography

  • Effective for broadband and i-line, Deep UV, e-beam exposure, or laser direct writing @ 405 nm
  • Lift-off resists with tunable pattern profile, high temperature stability up to 160 °C
  • Variety of viscosities for different film thicknesses in one spin-coating step
     
  • For pattern transfer: Physical vapour deposition (PVD) and single  layer lift-off, etch mask, mould for electroplating
  • For permanent applications: Polymeric waveguides
  • Use in microsystems technology, microelectronics, micro-optics  – manufacture of e.g. LEDs, ICs, MEMS, flat panel displays, fiber optics telecommunications devices
View all Negativ Photoresists
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