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Key Documents

907669

Sigma-Aldrich

Silver ink

75 wt%, LIFT printable

Synonyme(s) :

Ag ink, Laser induced forward transfer

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About This Item

Formule linéaire :
Ag
Code UNSPSC :
12352103
Nomenclature NACRES :
NA.23

Description

Silver content : 75 wt%
Solvent : Diethylene Glycol Mono Butyl Ether (DGBE)
Surface Tension : 28 dyn/cm (Pendant Drop)

Forme

paste

Taille des particules

50-70 nm (by Lumisizer™)
90-120 nm (by Lumisizer™)

Viscosité

50,000-100,000 cP (Shear Rate: 1 s-1
250cP - 450 cP (Shear Rate: 1000 s-1))

Densité

2.85-3.3

Température de stockage

15-25°C

Catégories apparentées

Application

This Ag ink product is a conductive high viscous ink based on single-crystal silver nanoparticles in an organic solvent, has been designed for LIFT (Laser Induced Forward Transfer) digital printing and laser sintering.

The ink offers:
  • Uniform and reproducible donor layer with low drying speed
  • Stable accurate jetting in different types of laser systems, wide working window of jetting parameters
  • High speed printing (20-50kHz), allowing high throughput
  • Narrow patterning on plastic and glass substrates (line width ∼50 μm, height ∼0.5 μm, spacing ∼50 μm)
  • Laser sintering of LIFT printed pattern, providing good electrical properties


Fit for:
LIFT digital printing
Additive electronic manufacturing
Printed electronics: RFID, FPD, Sensors

Laser induced forward transfer printing (LIFT) is a non-contact, nozzle-free, one step, direct laser writing process.
LIFT can operate under atmospheric conditions, is compatible with low laser fluences, allows the printing of organic and inorganic materials as well as biological elements. The printing process can take place from both liquid and solid phases. It further has a high lateral resolution only defined by the laser spot size. It is a method compatible with inorganic semiconductor sensor fabrication, OLED fabrication and bio printing.

Autres remarques

Resistivity (4PP): After laser sintering* ≤ 8 μΩ·cm (≤ 5 bulk) for LIFT printed line (∼1-2 μm thick) on plastic substrate
*Parameters should be optimized depending on line geometry and substrate

Stockage et stabilité

Keep container tightly closed. Store at room temperature, do not heat above 60 °C and do not freeze.

Informations légales

Lumisizer is a trademark of LUM GmbH

Pictogrammes

Exclamation markEnvironment
GHS07,GHS09

Mention d'avertissement

Warning

Mentions de danger

H319,H410

Classification des risques

Aquatic Acute 1 - Aquatic Chronic 1 - Eye Irrit. 2

Code de la classe de stockage

10 - Combustible liquids

Classe de danger pour l'eau (WGK)

WGK 3

Point d'éclair (°F)

Not applicable

Point d'éclair (°C)

Not applicable

Certificats d'analyse (COA)

Recherchez un Certificats d'analyse (COA) en saisissant le numéro de lot du produit. Les numéros de lot figurent sur l'étiquette du produit après les mots "Lot" ou "Batch".

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V S Cheptsov et al.
Letters in applied microbiology, 67(6), 544-549 (2018-09-18)
Recently, it was shown that laser-induced forward transfer (LIFT) technology and the laser engineering of microbial systems (LEMS) technique (based on LIFT method) are effective for isolation of micro-organisms from different complex substrates. These techniques frequently utilize Au as an
Laser-induced forward transfer from healing silver paste films printing
Turkoz E, et al.
Applied Physics Letters, 113(22), 221601/1-221601/5 (2018)
Printing of complex free-standing microstructures via laser-induced forward transfer (LIFT) of pure metal thin films
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Additive Manufacturing, 24, 391-399 (2018)

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