Mechanical and thermal reliability of conductive circuits inkjet printed on flexible substrates

Araźna, A.; Janeczek, Kamil; Futera, K.

doi:10.1108/cw-10-2016-0047

Cited by 8 publications

(3 citation statements)

References 12 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…A pattern is transferred to a substrate by means of the nozzles from which the nano-ink is ejected in the form of drops. Drops ripple across the substrate to form points and they, subsequently, superimpose to form a pattern (Kim et al, 2015;Arazna et al, 2017;.…”

Section: Introductionmentioning

confidence: 99%

Dependence of electrical resistivity on sintering conditions of silver layers printed by InkJet printing technology

Lukács

Pietriková

Cabúk

2017

View full text Add to dashboard Cite

Purpose The purpose of this paper is to find optimal sintering conditions of silver-based nano-inks for achieving the high electrical conductivity of the deposited layers applied on polyimide foils as well as the influence of ageing on the electrical conductivity. Therefore, the investigation in the field of silver layers deposited by inkjet printing technology is presented in this paper. Design/methodology/approach The four-point resistance measurements were realized for a detailed and precise analysis of the resistance of two different silver layers under different sintering conditions depending on the type of nano-ink varied about the recommended values. Highly accelerated stress tests (HASTs) were also applied as an ageing method for confirmation of the high electrical stability of the silver layers. Findings The results prove the strong influence of the temperature and the time of the sintering process on the sheet resistance of the investigated silver-based layers deposited by inkjet printing technology on polyimide foils. The HASTs caused significant changes in the electrical conductivity for both nano-inks presented in this paper. The existence of noticeable dependence among the resistivity, thermal treatment and ageing was proved. Originality/value The main benefit lays in the optimization of sintering conditions to improve the electrical conductivity of the silver layers. The paper also presents a new approach for a stability analysis of the silver layers by HASTs.

show abstract

Section: Introductionmentioning

confidence: 99%

Dependence of electrical resistivity on sintering conditions of silver layers printed by InkJet printing technology

Lukács

Pietriková

Cabúk

2017

View full text Add to dashboard Cite

show abstract

“…Ink-jet printing has emerged as a promissory technology in fields such as a manufacturer of sensing devices [1,2], the printing of living cells [3,4], tissues [5], ceramic dental teeth [6], UV inks on cylindrical surfaces [7], and surface coatings [8], among other fields [9]. Ink-jet technology is classified in two categories according to the type of the print head: Continuous ink-jet (CIJ) [10] and drop-on-demand (DoD).…”

Section: Introductionmentioning

confidence: 99%

Prediction of a flying droplet landing over a non-flat substrates for ink-jet applications

Arango

Bonil

Posada

et al. 2019

Int J Interact Des Manuf

View full text Add to dashboard Cite

Printing with inkjet technology has found new forms of application in the industry and in this article we study this technology focused on printing on non-flat surfaces. Since there is no print history over distances greater than 1 mm due to the rupture phenomenon, an initial quality standard is defined to measure achievements in a relative manner. An interactive method is used that requires the user to approach the machine in multiple analyzes of different types. The first approach is a mathematical model this model was constructed to predict the drop distance of the drop in the non-planar substrate with respect to the planned one in the flat substrate, taking into account that most of the drops fall to different heights presenting a greater or lesser state of development the phenomena present in the flight. The results allow to initiate a process of compensation that avoids the distortion of the figure to improve the printing resolution. The results are validated using a relative quality through industrial ink-jet printer with heads capable of injecting functional fluids. The initial result indicates that in standard surface printing with print relative quality already defined, it can be used only for low resolution formats with thick lines, and the result can be improved when the original figure is treated by compensating the distance between the numerical prediction and the initial objective.

show abstract

“…[12][13][14][15][16][17][18][19] The effects of environmental stresses such as thermal cycling, aging, annealing, and humidity on the electrical resistance and the fatigue performance of the printed traces have been reported as well. [20][21][22][23][24] However, the current-handling capacity of the printed traces has not been addressed yet.…”

mentioning

confidence: 99%

Assessing Current‐Carrying Capacity of Aerosol Jet Printed Conductors

et al. 2020

View full text Add to dashboard Cite

Conductive traces printed onto compatible flexible substrates to interconnect conventional silicon-based components and printed components are key building blocks and technologically unique to flexible hybrid electronics (FHE). This form of innovative integration offers durability, flexibility, conformity, and low-temperature processing of particular relevance to applications in fields such as wearable medical devices, IoT, solar cells, communications, aerospace, and defense. [1-7] Moreover, it enables new use of materials and a wide range of applications and functionalities. This facilitate in producing low power-consumption devices allowing for rapid and large volume production at low cost. [8,9] Printed traces are fabricated using techniques such as screen printing, inkjet printing, precision dispensing, and aerosol jet printing (AJP), depending on key ink properties including the ink viscosity. [10] Among these, AJP is probably the most attractive method for fabrication of printed electronics. Fine features down to 10 μm trace width and spacing, large stand-off distances, a large ink matrix, and design flexibility are the key advantages of AJP technique. [11] AJP process starts by atomization of an ink either pneumatically (used in this study) or ultrasonically, depending on the ink viscosity and solid content size and percentage (Table 1). In the pneumatic atomizer, an inert gas (nitrogen) is applied into the ink container to form mists/aerosols of the ink (around 1-5 μm diameter). Then the aerosol flow is carried out using a carrier gas to the deposition head passing by the virtual impactor where the aerosols are filtered based on their inertia. In the deposition head, a surrounding sheath gas flow (nitrogen) is used to collimate and direct the aerosols flow stream into the substrate. Figure 1 summarizes the working principle of the pneumatic atomization. The AJP print quality is governed by many factors including ink and substrate properties and their interaction,

show abstract

Mechanical and thermal reliability of conductive circuits inkjet printed on flexible substrates

Cited by 8 publications

References 12 publications

Dependence of electrical resistivity on sintering conditions of silver layers printed by InkJet printing technology

Dependence of electrical resistivity on sintering conditions of silver layers printed by InkJet printing technology

Prediction of a flying droplet landing over a non-flat substrates for ink-jet applications

Assessing Current‐Carrying Capacity of Aerosol Jet Printed Conductors

Contact Info

Product

Resources

About