One-batch transfer process for the additive manufacturing of a cantilever with a weight

Kanazawa, Shusuke; Kusaka, Yasuyuki; Yamamoto, Naokatsu; Ushijima, Hirobumi

doi:10.7567/jjap.56.06gn03

Cited by 3 publications

(3 citation statements)

References 30 publications

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“…This absorption increases the ink’s viscosity on the blanket, preventing blurring and enabling the production of fine printing patterns. Such high-viscosity conductive inks can function as a physically floating cantilever and bridge without any cracks during the transfer processes [ 32 , 33 ]. Thus, screen-offset printing can easily form conductive patterns on a highly porous textile-based material by bridging the pores in the material to print conductive patterns less than 1 mm wide.…”

Section: Introductionmentioning

confidence: 99%

Fabrication of a Textile-Based Wearable Blood Leakage Sensor Using Screen-Offset Printing

Nomura

Horii

Kanazawa

et al. 2018

Sensors

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We fabricate a wearable blood leakage sensor on a cotton textile by combining two newly developed techniques. First, we employ a screen-offset printing technique that avoids blurring, short circuiting between adjacent conductive patterns, and electrode fracturing to form an interdigitated electrode structure for the sensor on a textile. Furthermore, we develop a scheme to distinguish blood from other substances by utilizing the specific dielectric dispersion of blood observed in the sub-megahertz frequency range. The sensor can detect blood volumes as low as 15 μL, which is significantly lower than those of commercially available products (which can detect approximately 1 mL of blood) and comparable to a recently reported value of approximately 10 μL. In this study, we merge two technologies to develop a more practical skin-friendly sensor that can be applied for safe, stress-free blood leakage monitoring during hemodialysis.

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Section: Introductionmentioning

confidence: 99%

Fabrication of a Textile-Based Wearable Blood Leakage Sensor Using Screen-Offset Printing

Nomura

Horii

Kanazawa

et al. 2018

Sensors

Self Cite

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“…The process is called "lift-on offset printing (LOOP)". [26][27][28] In principle, the LOOP method incurs no material loss and enables the formation of a hollow structure using a short process. In this paper, we present an efficient process for making a structural addition to the undersurface of a cantilever by enhancing the LOOP method.…”

Section: Introductionmentioning

confidence: 99%

Improved process for forming a three-dimensional undersurface on a printed cantilever

Kanazawa

Kusaka

Yamamoto

et al. 2018

Jpn. J. Appl. Phys.

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An improvement in the lift-on offset printing process is reported as a means of enabling the structural customization of hollow structures used as moving parts of sensors and actuators. The improved process can add structures to the underside of a hollow structure by modifying the preparation of the pre-structure. As a demonstration, the mechanical displacement of a cantilever in a gravitational acceleration sensor was enhanced by the addition of a proof mass. The improved process can be expected to further produce functionalized hollow structures by an efficient manufacturing process.

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“…[10][11][12][13][14][15][16][17] Our research group recently reported a novel printing technique for efficiently fabricating suspended structures, called lift-on offset printing (LOOP), that forms suspended structures via the additive integration of required layers without using sacrificial layers or etching. [18][19][20] To verify the utility of the LOOP method, we have reported the fabrication of conductive cantilevers consisting of a single conductive layer and applied them as sensors. In this paper, we report on an efficient and unique fabrication process for a polymer cantilever that is functionalized by an embedded conductive layer at its surface.…”

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confidence: 99%

Fully additive manufacture of a polymer cantilever with an embedded functional layer

Kanazawa¹,

Kusaka²,

Horii³

et al. 2018

Jpn. J. Appl. Phys.

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In this paper, we report on an efficient and unique printing-based process for fabricating a cantilever structure with an embedded functional layer. The process is used to form a micro suspended structure via the one-batch transfer of stacked layers from a dummy substrate. The mechanism of the transfer process is clearly explained by the order of adhesion strengths of all interfaces. As a demonstration, a strain gauge which consisted of a polymer cantilever with an embedded conductive wire was successfully fabricated. It is expected that the proposed process will widely contribute to the efficient manufacture of useful sensors and actuators.

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One-batch transfer process for the additive manufacturing of a cantilever with a weight

Cited by 3 publications

References 30 publications

Fabrication of a Textile-Based Wearable Blood Leakage Sensor Using Screen-Offset Printing

Fabrication of a Textile-Based Wearable Blood Leakage Sensor Using Screen-Offset Printing

Improved process for forming a three-dimensional undersurface on a printed cantilever

Fully additive manufacture of a polymer cantilever with an embedded functional layer

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