Antenna structure for communication module and manufacturing method thereof
An antenna structure and communication module technology, applied in the direction of loop antennas with ferromagnetic material cores, radiation element structures, etc., can solve the problems of insufficient bonding between integrated circuit chips and near-field communication antennas, and insufficient antenna inductance. Achieve the effects of low cost, improved sense value, and increased reliability
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Embodiment 1
[0052] Figure 1A It is a three-dimensional exploded view of the antenna structure used in the communication module in this embodiment, Figure 1B It is a three-dimensional exploded view from another perspective of the antenna structure used in the communication module in this embodiment. This embodiment provides an antenna structure used in a communication module. More specifically, the antenna structure of this embodiment is used in a wireless communication induction system. Please refer to Figure 1A with Figure 1B In this embodiment, the antenna structure 100 for a communication module includes a first magnetic layer 102, and a plurality of first pad electrodes 104 are arranged on the lower surface of the first magnetic layer 102, wherein the first pad electrodes 104 include a The first feeding pad electrode 106, a second feeding pad electrode 108 and a plurality of dummy (dummy) pad electrodes 110, the first feeding pad electrode 106 and the second feeding pad electrode...
Embodiment 2
[0064] Figure 2A It is a three-dimensional exploded view of the antenna structure used in the communication module in this embodiment, Figure 2B It is a three-dimensional exploded view from another perspective of the antenna structure used in the communication module in this embodiment. This embodiment provides an antenna structure for a communication module, which, like the antenna structure of the first embodiment, includes a first magnetic layer 102, a first intermediate magnetic layer 151, a second magnetic layer 114, a third magnetic layer Body layer 130, fourth magnetic body layer 150, fifth magnetic body layer 152, sixth magnetic body layer 162, second intermediate magnetic body layer 155 and seventh magnetic body layer 166, and corresponding via conductors and wire-shaped conductor, the difference from the first embodiment is that the sixth magnetic layer 162 and the second intermediate magnetic layer 155 of this embodiment do not form any conductive structure, in o...
Embodiment 3
[0067] Figure 4A It is a three-dimensional exploded view of the antenna structure used in the communication module in this embodiment, Figure 4BIt is a three-dimensional exploded view from another perspective of the antenna structure used in the communication module in this embodiment. This embodiment provides an antenna structure for a communication module, which, like the antenna structure of the first embodiment, includes a first magnetic layer 102, a first intermediate magnetic layer 151, a second magnetic layer 114, a third magnetic layer The body layer 130, the fourth magnetic layer 150, the fifth magnetic layer 152 and the corresponding via conductors and linear conductors therein are different from the first embodiment in that the antenna structure of this embodiment does not include a sixth magnetic body layer, the second intermediate magnetic layer and the seventh magnetic layer.
[0068] Figure 5 It is a flow chart of the method for forming the antenna structu...
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