Characterization of Printed Moisture Sensors in Packaging Surveillance Applications

Unander, T.; Nilsson, Hans‐Erik

doi:10.1109/jsen.2009.2024866

Cited by 102 publications

(56 citation statements)

References 4 publications

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“…Screen printing is based on deposition on a substrate of thick film of material by the use of masks and a roller pressure mechanism. Many different materials, like conductive, insulating and other functional layers, are available to be deposited on the surface of the substrate and many different typologies of sensors realized by screen printing are available in [7][8][9].…”

Section: Introductionmentioning

confidence: 99%

All Inkjet-Printed B Field Sensor

Andò

Baglio

Marletta

et al. 2017

Proceedings of Eurosensors 2017, Paris, France, 3–6 September 2017

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This paper presents the realization and the experimental characterization of a low cost inkjet-printed DC magnetic field sensor. The device consists of a thin flexible cantilever beam operated at its first resonance frequency by the interaction between the target magnetic field and an AC current flowing through a coil printed on the beam. A resistive readout strategy is implemented by a printed strain gauge to measure the beam deflection strength, which is correlated to the target field strength. A dedicated electronics is used for the sake of the sensor operation. The sensor behaviour has been investigated for different values of the driving current and the target magnetic field. As an example, the sensor responsivity and resolution for a driving current of 20 mA @ 9.1 Hz (the beam resonance frequency) are 0.009 Ω/Ω/T and 1.2 mT, respectively.

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Section: Introductionmentioning

confidence: 99%

All Inkjet-Printed B Field Sensor

Andò

Baglio

Marletta

et al. 2017

Proceedings of Eurosensors 2017, Paris, France, 3–6 September 2017

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“…The need for masks and its consequent physical interaction with the substrate are main drawbacks of screen printing techniques. Examples of sensors realized by screen printing are available in [21][22][23].…”

Section: Introductionmentioning

confidence: 99%

An All-InkJet Printed Bending Actuator with Embedded Sensing Feature and an Electromagnetic Driving Mechanism

Andò

Marletta

2016

Actuators

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Abstract:Bending actuators are key elements in many application fields. This paper presents an InkJet Printed actuator embedding an electromagnetic driving mechanism and a resistive sensing strategy. The lateral actuation range of the device is in the order of few millimeters, while it can exert forces in the order up to 375 µN. A deep characterization of the device is presented which reveals good performance of the lab-scale prototype developed both in the static and dynamic regime. In particular, the responsivity is found to be a function of the magnetic field used to actuate the beam. Specifically, responsivities of 43.5ˆ10´3 m/A, 28.3ˆ10´3 m/A and 19.5ˆ10´3 m/A have been estimated in the static condition in the case of magnetic fields of 98.8 mT, 70.6 mT and 37.1 mT, respectively, while at the resonance frequency of 4.1 Hz the responsivity is 51ˆ10´3 m/A in case of a magnetic field of 37.1 mT.

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“…A large variety of applications have been demonstrated using printing on paper-based substrates, which have included RFID Antennas [19], transistors [20], displays [21], energy storage devices [22], PV cells [23] and sensors [24] and Cantilevers [25][26].…”

Section: Introductionmentioning

confidence: 99%

Fabrication of micron scale metallic structures on photo paper substrates by low temperature photolithography for device applications

Cooke

Wood

2015

J. Micromech. Microeng.

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Use policyThe full-text may be used and/or reproduced, and given to third parties in any format or medium, without prior permission or charge, for personal research or study, educational, or not-for-prot purposes provided that:• a full bibliographic reference is made to the original source • a link is made to the metadata record in DRO • the full-text is not changed in any way The full-text must not be sold in any format or medium without the formal permission of the copyright holders.Please consult the full DRO policy for further details. Using commercial standard paper as a substrate has a significant cost reduction implication over other more expensive substrate materials by approximately a factor of 100 [1][2]. Discussed here is a novel process which allows photolithography and etching of simple metal films deposited on paper substrates, but requires no additional facilities to achieve it. This allows a significant reduction in feature size down to the micron scale over devices made using more conventional printing solutions which are of the order of tens of microns. The technique has great potential for making cheap disposable devices with additional functionality, which could include flexibility and foldability, simple disposability, porosity and low weight requirements. The potential for commercial applications and scale up is also discussed. Keywords: Paper, Flexible, Photolithography, Microelectronics IntroductionSilicon has long been the industrial standard substrate for devices made using photolithographic processing. It is only in recent years that more flexible substrates have become commercially interesting [3][4]. This is partially due to their potential to be used within the printing industry, as well as the possibility of developing flexible devices. Typical flexible films tend to be polymer based and have specialist coatings on the surface to allow the material to remain stable when being subjected to temperature and humidity changes [5][6].To date, electronics work on paper substrates has tended to be limited to using a variety of printing techniques [7][8]. While these are ideal for roll to roll processes [9], there is a limitation on feature size which is achievable using printing; this limit is 20-40 microns [10]. Similarly a significant amount of device fabrication on paper tends to use a barrier layer on the surface to ensure the printed inks do not permeate into the cellulose matrix of the material [11].There are many different types of papers available, each with their own unique properties [1,2,12]. Some of these can be found to be more suited to metal deposition than others. To date though, most electronics applications on paper use printing [13][14], with a few using a shadow mask technique or stencil [15][16].Electrical measurements show that the conductivity of a feature on paper, when compared to the same feature on silicon, can vary depending on paper type as well as by the deposition technique, for both thin film and ink-jet printed devices 2 can vary depending on paper type as ...

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Characterization of Printed Moisture Sensors in Packaging Surveillance Applications

Cited by 102 publications

References 4 publications

All Inkjet-Printed B Field Sensor

All Inkjet-Printed B Field Sensor

An All-InkJet Printed Bending Actuator with Embedded Sensing Feature and an Electromagnetic Driving Mechanism

Fabrication of micron scale metallic structures on photo paper substrates by low temperature photolithography for device applications

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