Modelling the shape, length and radiation characteristics of bond wire antennas

Ndip, Ivan; Öz, Abdurrahman; Tschoban, Christian; Guttowski, Stephan; Reichl, H.; Lang, Klaus‐Dieter; Henke, Heino

doi:10.1049/iet-map.2012.0147

Cited by 26 publications

(9 citation statements)

References 17 publications

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“…1, was first developed by implementing (1) in High Frequency Structure Simulator (HFSS), a full-wave electromagnetic field solver from Ansys. To obtain the length of the wire (l bw ) required for resonance, the analytical model in (2) [6,7], derived from (1) was applied…”

Section: Model Of Bwamentioning

confidence: 99%

“…1, was first developed by implementing (1) in High Frequency Structure Simulator (HFSS), a full‐wave electromagnetic field solver from Ansys. To obtain the length of the wire (

l_{normalbw}

) required for resonance, the analytical model in (2) [6, 7], derived from (1) was applied

l_{normalbw} = \int_{u}^{v} (\sqrt{1 + {()(, ()(, - 2 b x) ()(, a {normale}^{- b x^{2}}))}^{2}}) normald x

where

a = L h_{truemax}

b = \frac{4}{{()(, d_{normalbp})}^{2}} \ln (\frac{(L h_{max})}{t_{normalmet .}})

Similarly to (1), the model for

l_{normalbw}

in (2) is also dependent on the wire bonding and design parameters. To achieve resonance at ∼55 GHz using a 25 µm thick wire, the following bonding parameters were used:

L h_{truemax} = 588 μ m

d_{normalbp} = 2941 μ m

and

t_{normalmet} = 35 μ m

.…”

Section: Measurement and Experimental Verification Of Analytical Modelmentioning

confidence: 99%

“…However, since no mathematical function is available to describe the shape of JEDEC bond wire models, they are predominantly used in combination with electromagnetic field solvers. To overcome the limitations of the semi‐circular loop and JEDEC models, Ndip et al derived a BWA model, based on the Gaussian function, which represents the realistic shape of bond wires [6, 7]. To the best of the authors’ knowledge, the model proposed by Ndip et al , and given in (1), is the only model in published literature that captures the realistic shape of BWAs in dependence on their bonding and design parameters

f false(x false) = ()(, L h_{truemax}) {normale}^{- false(4 / {false(d_{normalbp} false)}^{2} false) \ln ()(, S C false(false(L h_{truemax} false) / t_{met .} false)) x^{2}}

where

S C

is the slope constant,

L h_{truemax}

represents the maximum loop height of the wire,

d_{normalbp}

is the distance between the bonding positions ( u and v ), and

t_{met .}

is the thickness of the pad metallisation on which the wire is bonded.…”

Section: Introductionmentioning

confidence: 99%

“…However, since no mathematical function is available to describe the shape of JEDEC bond wire models, they are predominantly used in combination with electromagnetic field solvers. To overcome the limitations of the semi-circular loop and JEDEC models, Ndip et al derived a BWA model, based on the Gaussian function, which represents the realistic shape of bond wires [6,7]. To the best of the authors' knowledge, the model proposed by Ndip et al, and given in (1), is the only model in published literature that captures the realistic shape of BWAs in dependence on their bonding and design parameters…”

mentioning

confidence: 99%

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Experimental verification and analysis of analytical model of the shape of bond wire antennas

et al. 2017

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Section: Model Of Bwamentioning

confidence: 99%

“…1, was first developed by implementing (1) in High Frequency Structure Simulator (HFSS), a full‐wave electromagnetic field solver from Ansys. To obtain the length of the wire (

l_{normalbw}

) required for resonance, the analytical model in (2) [6, 7], derived from (1) was applied

l_{normalbw} = \int_{u}^{v} (\sqrt{1 + {()(, ()(, - 2 b x) ()(, a {normale}^{- b x^{2}}))}^{2}}) normald x

where

a = L h_{truemax}

b = \frac{4}{{()(, d_{normalbp})}^{2}} \ln (\frac{(L h_{max})}{t_{normalmet .}})

Similarly to (1), the model for

l_{normalbw}

in (2) is also dependent on the wire bonding and design parameters. To achieve resonance at ∼55 GHz using a 25 µm thick wire, the following bonding parameters were used:

L h_{truemax} = 588 μ m

d_{normalbp} = 2941 μ m

and

t_{normalmet} = 35 μ m

.…”

Section: Measurement and Experimental Verification Of Analytical Modelmentioning

confidence: 99%

f false(x false) = ()(, L h_{truemax}) {normale}^{- false(4 / {false(d_{normalbp} false)}^{2} false) \ln ()(, S C false(false(L h_{truemax} false) / t_{met .} false)) x^{2}}

where

S C

is the slope constant,

L h_{truemax}

represents the maximum loop height of the wire,

d_{normalbp}

is the distance between the bonding positions ( u and v ), and

t_{met .}

is the thickness of the pad metallisation on which the wire is bonded.…”

Section: Introductionmentioning

confidence: 99%

“…However, since no mathematical function is available to describe the shape of JEDEC bond wire models, they are predominantly used in combination with electromagnetic field solvers. To overcome the limitations of the semi-circular loop and JEDEC models, Ndip et al derived a BWA model, based on the Gaussian function, which represents the realistic shape of bond wires [6,7]. To the best of the authors' knowledge, the model proposed by Ndip et al, and given in (1), is the only model in published literature that captures the realistic shape of BWAs in dependence on their bonding and design parameters…”

mentioning

confidence: 99%

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Experimental verification and analysis of analytical model of the shape of bond wire antennas

et al. 2017

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“…Numerical simulators have become widely used to solve problems in electromagnetism, since it is very difficult to solve the problems analytically for unsymmetrical and inhomogeneous structures [1,2,3]. When simulating complex antennas, one can come to a point, when the simulation requirements are higher than the computational power of the computers available for computation.…”

Section: Introductionmentioning

confidence: 99%

Modelling of Emc Broadband Antennas With Complex Geometry Above 1 GHz

Nováková¹,

Bittera²,

Smiesko³

et al. 2016

Proceedings of the 27th International DAAAM Symposium 2016

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Radiofrequency measurements of electromagnetic compatibility are negatively influenced by uncertainty of the measuring antenna. To make quantification of errors caused by the antenna faster, it is useful to create an antenna model and simulate the circumstance. A change in parameter values caused by a change of position of the antenna or a change of surroundings can be determined using a numerical electromagnetic simulation software. Modelling a precise copy of antenna, however, can cause unnecessarily high simulation requirements, therefore it is essential to know how model structure simplification affects the characteristics of the model. For this purpose, broadband antennas commonly used for measurements of electromagnetic compatibility above 1 GHz were taken into account: stacked logarithmic-periodic antenna and double-ridged horn antenna. Multiple models were created with various extent of simplification to achieve reduction in computational time and memory requirements. The level of correspondence of the model to the real antenna was inspected, using chosen electromagnetic simulation software, by obtaining characteristic parameters of the models, i.e. antenna factor, gain, and radiation pattern, and by comparison of results to measured values. Considering the results and computational effort of the simulation, the most suitable model was chosen for each antenna.

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Modeling Broadband Wire Antennas with Complex Geometry

Bittera

2014

Procedia Engineering

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Modelling the shape, length and radiation characteristics of bond wire antennas

Cited by 26 publications

References 17 publications

Experimental verification and analysis of analytical model of the shape of bond wire antennas

Experimental verification and analysis of analytical model of the shape of bond wire antennas

Modelling of Emc Broadband Antennas With Complex Geometry Above 1 GHz

Modeling Broadband Wire Antennas with Complex Geometry

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