KR101103604B1 - Planar transformer - Google Patents
Planar transformer Download PDFInfo
- Publication number
- KR101103604B1 KR101103604B1 KR1020100077133A KR20100077133A KR101103604B1 KR 101103604 B1 KR101103604 B1 KR 101103604B1 KR 1020100077133 A KR1020100077133 A KR 1020100077133A KR 20100077133 A KR20100077133 A KR 20100077133A KR 101103604 B1 KR101103604 B1 KR 101103604B1
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- South Korea
- Prior art keywords
- power signal
- thin film
- winding
- film pattern
- metal thin
- Prior art date
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- 238000004804 winding Methods 0.000 claims abstract description 294
- 239000002184 metal Substances 0.000 claims abstract description 115
- 239000010409 thin film Substances 0.000 claims abstract description 110
- 238000009413 insulation Methods 0.000 claims abstract description 48
- 230000015572 biosynthetic process Effects 0.000 claims abstract description 9
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 120
- 229910052710 silicon Inorganic materials 0.000 claims description 120
- 239000010703 silicon Substances 0.000 claims description 120
- 238000000034 method Methods 0.000 claims description 99
- 238000003825 pressing Methods 0.000 claims description 30
- 239000012212 insulator Substances 0.000 claims description 18
- 238000005507 spraying Methods 0.000 claims description 12
- 230000001131 transforming effect Effects 0.000 claims description 2
- 230000008878 coupling Effects 0.000 claims 1
- 238000010168 coupling process Methods 0.000 claims 1
- 238000005859 coupling reaction Methods 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 13
- 239000007769 metal material Substances 0.000 description 28
- 230000006835 compression Effects 0.000 description 16
- 238000007906 compression Methods 0.000 description 16
- 238000005530 etching Methods 0.000 description 16
- 238000002347 injection Methods 0.000 description 16
- 239000007924 injection Substances 0.000 description 16
- 238000000206 photolithography Methods 0.000 description 16
- 239000000243 solution Substances 0.000 description 16
- 230000000694 effects Effects 0.000 description 2
- 230000005669 field effect Effects 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F17/00—Fixed inductances of the signal type
- H01F17/0006—Printed inductances
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/2804—Printed windings
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F5/00—Coils
- H01F5/003—Printed circuit coils
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F5/00—Coils
- H01F5/04—Arrangements of electric connections to coils, e.g. leads
- H01F2005/046—Details of formers and pin terminals related to mounting on printed circuits
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/2804—Printed windings
- H01F2027/2814—Printed windings with only part of the coil or of the winding in the printed circuit board, e.g. the remaining coil or winding sections can be made of wires or sheets
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/2804—Printed windings
- H01F2027/2819—Planar transformers with printed windings, e.g. surrounded by two cores and to be mounted on printed circuit
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Coils Or Transformers For Communication (AREA)
- Dc-Dc Converters (AREA)
- Coils Of Transformers For General Uses (AREA)
Abstract
Description
Embodiments relate to planar transformers.
Recently, a power supply employing a Switching Mode Power Supply (SMPS) has attracted attention, and such a Switching Mode Power Supply is a metal oxide semiconductor field effect transistor (MOS FET) or a bipolar junction transistor (MOS FET). Switching devices such as BJTs (bipolar junction transistors) and transformers are used to provide stable power.
On the other hand, as home appliances are developed in the trend of light and short, the switching mode power supply is also required to be slimmer, while reducing the volume of a transformer that occupies a large volume among the circuit components constituting the switching mode power supply and manufacturing cost. Research has been conducted to reduce power consumption and provide a stable power supply and power output.
Since the planar transformer according to the embodiment may make the plane transformer slim, it is possible to make the power supply device including the plane transformer slim.
In addition, the planar transformer according to the embodiment can stably provide power supply and power output while reducing the manufacturing cost of the planar transformer.
The planar transformer according to the embodiment comprises a core provided to induce magnetic field formation; A bobbin fastened between the cores; At least one primary winding portion provided between the core and the bobbin to supply a power signal; A first insulator provided on at least one primary side winding to insulate the at least one primary side winding; At least one secondary winding portion provided on the first insulation portion and insulated by the first insulation portion, and for transforming a power signal; A second insulator provided on the at least one secondary side winding to insulate the at least one secondary side winding; A first power signal supply unit fastened to one side of the bobbin and fixed while pressing an end portion of the at least one primary winding unit, and electrically connected to the at least one primary winding unit to supply a power signal to the at least one primary winding unit; ; And fastened to the other side of the bobbin and fixed while pressing an end portion of the at least one secondary winding, and electrically connected to the at least one secondary winding to output a power signal transformed by the at least one secondary winding. It includes a first power signal output unit.
In addition, the planar transformer according to the embodiment includes a core provided to induce magnetic field formation; A bobbin fastened between the cores; At least one primary side winding portion provided between the core and the bobbin and including a first silicon layer to insulate and supply a power signal; At least one secondary side winding portion provided in at least one primary side winding portion, insulated by the first silicon layer, and including a second silicon layer to insulate the power signal; A first power signal supply unit fastened to one side of the bobbin and fixed while pressing an end portion of the at least one primary winding unit, and electrically connected to the at least one primary winding unit to supply a power signal to the at least one primary winding unit; ; And fastened to the other side of the bobbin and fixed while pressing an end portion of the at least one secondary winding, and electrically connected to the at least one secondary winding to output a power signal transformed by the at least one secondary winding. It includes a first power signal output unit.
Since the planar transformer according to the embodiment may make the plane transformer slim, there is an effect of making the power supply manufactured by including the plane transformer slim.
In addition, the planar transformer according to the embodiment has another effect of stably providing a power supply and a power output while reducing the manufacturing cost of the planar transformer.
1 is an exploded perspective view showing a planar transformer according to a first embodiment of the present invention.
2 is a cross-sectional view illustrating a state in which a primary side winding part and the other primary side winding part of the planar transformer according to the first embodiment of the present invention are fixed to the first power signal supply part and the second power signal supply part;
3 is a cross-sectional view illustrating a state in which a secondary winding unit and another secondary winding unit of the planar transformer according to the first embodiment of the present invention are fixed to the first power signal output unit and the second power signal output unit.
Figure 4 is an exploded perspective view showing a planar transformer according to a second embodiment of the present invention.
5 is a cross-sectional view illustrating a state in which a primary winding unit and another primary winding unit of the planar transformer according to the second embodiment of the present invention are fixed to the first power signal supply unit and the second power signal supply unit.
6 is a cross-sectional view illustrating a state in which a secondary winding unit and another secondary winding unit of the planar transformer according to the second embodiment of the present invention are fixed to the first power signal output unit and the second power signal output unit.
7 is an exploded perspective view showing a planar transformer according to a third embodiment of the present invention.
8 is a cross-sectional view illustrating a state in which a primary side winding part and the other primary side winding part of the planar transformer according to the third embodiment of the present invention are fixed to the first power signal supply part and the third power signal supply part;
9 is a cross-sectional view illustrating a state in which a secondary winding unit and another secondary winding unit of the planar transformer according to the third embodiment of the present invention are fixed to the first power signal output unit and the third power signal output unit.
10 is an exploded perspective view showing a planar transformer according to a fourth embodiment of the present invention.
FIG. 11 is a cross-sectional view illustrating a state in which a primary side winding part and the other primary side winding part of a planar transformer according to a fourth embodiment of the present invention are fixed to the first power signal supply part and the third power signal supply part; FIG.
12 is a cross-sectional view illustrating a state in which the secondary winding portion and the other secondary winding portion of the planar transformer according to the fourth exemplary embodiment of the present invention are fixed to the first power signal output portion and the third power signal output portion.
Hereinafter, with reference to the accompanying drawings will be described in detail preferred embodiments of the present invention.
<First Embodiment>
1 is an exploded perspective view showing a planar transformer according to a first embodiment of the present invention.
2 is a cross-sectional view illustrating a state in which a primary side winding part and the other primary side winding part of the planar transformer according to the first embodiment of the present invention are fixed to the first power signal supply part and the second power signal supply part.
3 is a cross-sectional view illustrating a state in which the secondary winding portion and the other secondary winding portion of the planar transformer according to the first embodiment of the present invention are fixed to the first power signal output portion and the second power signal output portion.
1 to 3, the
The
Here, the
At this time, the first fastening part 102a 1 , 102a 2 ) may include a first fastening protrusion 102a 1 and a first fastening groove 102a 2 .
In addition, the
In this case, the
At least one
Here, the at least one primary
In addition, the metal thin film pattern layer LP 1 having an inductance component may be provided of a metal material having a high conductivity so as to efficiently and smoothly supply a power signal supplied through the first
In this case, the metal thin film pattern layer LP 1 having an inductance component may be formed by at least one of a photolithography method using a photo mask and an etching solution or an injection method using a compression press. There is a number.
The at least one
The first
In this case, the
At least one
Here, the at least one secondary
In addition, the metal thin film pattern layer LP 2 having an inductance component may be provided of a metal material having high conductivity, and may be provided to efficiently and smoothly output the transformed power signal through the at least one
In this case, the metal thin film pattern layer LP 2 having an inductance component may be formed by at least one of a photolithography method using a photo mask and an etching solution or an injection method using a compression press. There is a number.
The at least one
The
In this case, the second
In addition, the at least one
Here, the at least one second
In addition, the metal thin film pattern layer LP 3 having an inductance component may be provided of a metal material having high conductivity so as to efficiently and efficiently output the power signal transformed through at least one
In this case, the metal thin film pattern layer LP 3 having an inductance component may be formed by at least one of a photolithography method using a photo mask and an etching solution or an injection method using a compression press. There is a number.
The at least one other
The third
In this case, the
At least one other primary
Here, at least one other primary
In addition, the metal thin film pattern layer LP 4 having an inductance component may be provided of a metal material having high conductivity so as to efficiently and smoothly supply a power signal supplied through the second
In this case, the metal thin film pattern layer LP 4 having an inductance component may be formed by at least one of a photolithography method using a photo mask and an etching solution or an injection method using a compression press. There is a number.
The at least one primary winding
The fourth
In this case, the
The first power
Here, the first power
In this case, the first power
The first power
Here, the first power
In this case, the first power
In addition, the second power
Here, the second power
In this case, the second power
In addition, the second power
Here, the second power
In this case, the second power
As such, the
In addition, the
Therefore, the
In addition, the
≪
4 is an exploded perspective view of a planar transformer according to a second exemplary embodiment of the present invention.
FIG. 5 is a cross-sectional view illustrating a state in which a primary winding unit and another primary winding unit of the planar transformer according to the second embodiment of the present invention are fixed to the first power signal supply unit and the second power signal supply unit.
FIG. 6 is a cross-sectional view illustrating a state in which the secondary winding and the other secondary winding of the planar transformer according to the second embodiment of the present invention are fixed to the first power signal output unit and the second power signal output unit.
4 to 6, the
The
Here, the
At this time, the first fastening part 402a 1 , 402a 2 may include a first fastening protrusion 402a 1 and a first fastening groove 402a 2 .
In addition, the
In this case, the
At least one primary winding 406 is provided between the core 402 and the
In this case, the at least one primary
In addition, the metal thin film pattern layers LP 5 and LP 6 having at least two inductance components may be made of a high conductive metal material to efficiently supply power signals supplied through the first
In this case, the metal thin film pattern layers LP 5 and LP 6 having at least two inductance components may include at least one of a photo lithography method using a photo mask and an etching solution or an injection method using a compression press. It can be formed by one method.
The at least one primary side winding 406 may be provided in at least one of a circle, an ellipse, and a polygon.
The first insulating
In this case, the
At least one secondary
In this case, the at least one secondary
In addition, the metal thin film pattern layers LP 7 and LP 8 having at least two inductance components may be made of a metal having high conductivity to efficiently and smoothly transform the power signal transformed through the at least one secondary winding 410. Can be provided to output.
In this case, the metal thin film pattern layers LP 7 and LP 8 having at least two inductance components may include at least one of a photo lithography method using a photo mask and an etching solution or an injection method using a compression press. It can be formed by one method.
The at least one secondary
The second
In this case, the
At least one other secondary winding 413 may be provided between the core 402 and the
In this case, the at least one second secondary winding 413 may include the metal thin film pattern layers LP 9 and LP 10 having at least two inductance components, and the metal thin film pattern layers LP 9 and LP having at least two inductance components. 10 ) and at least one secondary side insulating layer IP 3 provided between the metal thin film pattern layers LP 9 and LP 10 having at least two inductance components.
In addition, the metal thin film pattern layers LP 9 and LP 10 having at least two inductance components may be formed of a metal material having high conductivity. The at least one secondary winding
In this case, the metal thin film pattern layers LP 9 and LP 10 having at least two inductance components may include at least one of a photo lithography method using a photo mask and an etching solution or an injection method using a compression press. It can be formed by one method.
The at least one other secondary winding 413 may be provided in at least one of a circle, an ellipse, and a polygon.
The
In this case, the
At least one other primary
In this case, the at least one primary winding
In addition, the metal thin film pattern layers LP 11 and LP 12 having at least two inductance components may be made of a high conductive metal material to efficiently supply a power signal supplied through the second
In this case, the metal thin film pattern layers LP 11 and LP 12 having at least two inductance components may include at least one of a photo lithography method using a photo mask and an etching solution or an injection method using a compression press. It can be formed by one method.
The at least one primary winding
The fourth
In this case, the
The first power
Here, the first power
In this case, the first power
The first power
Here, the first power
In this case, the first power
In addition, the second power
Here, the second power
In this case, the second power
In addition, the second power
Here, the second power
In this case, the second power
As such, the
In addition, the
Therefore, the
In addition, the
Third Embodiment
7 is an exploded perspective view showing a planar transformer according to a third embodiment of the present invention.
8 is a cross-sectional view illustrating a state in which a primary winding unit and another primary winding unit of the planar transformer according to the third exemplary embodiment of the present invention are fixed to the first power signal supply unit and the third power signal supply unit.
9 is a cross-sectional view illustrating a state in which a secondary side winding portion and the other secondary side winding portion of the planar transformer according to the third embodiment of the present invention are fixed to the first power signal output portion and the third power signal output portion.
7 to 9, a
The
Here, the
In this case, the first fastening parts 702a 1 and 702a 2 may include a first fastening protrusion 702a 1 and a first fastening groove 702a 2 .
In addition, the
In this case, the
At least one primary winding 706 is provided between the core 702 and the
Here, the at least one primary
In addition, the metal thin film pattern layer LP 13 having an inductance component may be provided of a metal material having high conductivity so as to efficiently and smoothly supply a power signal supplied through the first power
In this case, the metal thin film pattern layer LP 13 having an inductance component may be formed by at least one of a photolithography method using a photo mask and an etching solution or an injection method using a compression press. There is a number.
The at least one primary winding 706 may be provided in at least one of a circle, an ellipse, and a polygon.
The
In this case, the
At least one secondary winding 710 is provided on top of the
Here, the at least one secondary
In addition, the metal thin film pattern layer LP 14 having an inductance component may be provided of a metal material having high conductivity, and may be provided to efficiently and efficiently output the power signal transformed through the at least one secondary winding 710. .
In this case, the metal thin film pattern layer LP 14 having an inductance component may be formed by at least one of a photolithography method using a photo mask and an etching solution or an injection method using a compression press. There is a number.
The at least one secondary winding 710 may be provided in at least one of a circle, an ellipse, and a polygon.
The
In this case, the
At least one other secondary winding 713 may be provided between the core 702 and the
Here, the at least one second secondary winding 713 may include a metal thin film pattern layer LP 15 having an inductance component.
In addition, the metal thin film pattern layer LP 15 having an inductance component may be provided of a metal having a high conductivity, so that the metal thin film pattern layer LP 15 may be provided to efficiently and efficiently output the power signal transformed through at least one secondary winding 713. have.
In this case, the metal thin film pattern layer LP 15 having an inductance component may be formed by at least one of a photolithography method using a photo mask and an etching solution or an injection method using a compression press. There is a number.
The at least one other secondary winding 713 may be provided in at least one of a circle, an ellipse, and a polygon.
The
In this case, the
At least one other primary
Here, at least one other primary
In addition, the metal thin film pattern layer LP 16 having an inductance component may be provided of a metal material having high conductivity, so as to efficiently and smoothly supply a power signal supplied through the third power
In this case, the metal thin film pattern layer LP 16 having an inductance component may be formed by at least one of a photolithography method using a photo mask and an etching solution or an injection method using a compression press. There is a number.
The at least one other primary winding 717 may be provided in at least one of a circle, an ellipse, and a polygon.
The
In this case, the
The first power
Here, the first power
In this case, the first power
The first power
Here, the first power
In this case, the first power
In addition, the third power
Here, the third power
In this case, the third power
In addition, the third power
Here, the third power
In this case, the third power
As described above, the
In addition, the
Therefore, the
In addition, the
<Fourth Embodiment>
10 is an exploded perspective view showing a planar transformer according to a fourth embodiment of the present invention.
FIG. 11 is a cross-sectional view illustrating a state in which a primary side winding part and the other primary side winding part of the planar transformer according to the fourth exemplary embodiment are fixed to the first power signal supply part and the third power signal supply part.
12 is a cross-sectional view illustrating a state in which a secondary side winding part and the other secondary side winding part of the planar transformer according to the fourth exemplary embodiment are fixed to the first power signal output part and the third power signal output part.
10 to 12, a
The core 1002 has a first fastening portion 1002a 1 , 1002a 2 ) and provided to induce magnetic field formation, the
Here, the core 1002 may include a lower core 1002b and an upper core 1002c.
At this time, the first fastening portion 1002a 1 , 1002a 2 ) may include a first fastening protrusion 1002a 1 and a first fastening groove 1002a 2 .
In addition, the
In this case, the second fastening part 1004a may be provided as the second fastening hole 1004a, and the third fastening part 1002d may be provided to the lower core 1002b and the upper core 1002c to provide a second fastening hole ( It may be provided as a third fastening protrusion 1002d to be engaged with 1004a).
At least one primary side winding portion 1006 is provided between the core 1002 and the
Here, the at least one primary side winding portion 1006 may include the metal thin film pattern layers LP 17 and LP 18 having at least two inductance components, and the metal thin film pattern layers LP 17 and LP 18 having at least two inductance components. ) May include at least one primary side silicon layer (IP 5 ) provided between the insulator to insulate the metal thin film pattern layers (LP 17 , LP 18 ) having at least two inductance components.
In this case, at least one primary side silicon layer IP 5 may be provided including a heat resistant silicon layer.
In addition, the metal thin film pattern layers LP 17 and LP 18 having at least two inductance components may be made of a high conductive metal material to efficiently supply a power signal supplied through the first
In this case, the metal thin film pattern layers LP 17 and LP 18 having at least two inductance components may include at least one of a photo lithography method using a photo mask and an etching solution or an injection method using a compression press. It can be formed by one method.
The at least one primary side winding portion 1006 may be provided in at least one of a circle, an ellipse, and a polygon.
The
In this case, the
At least one secondary side winding portion 1010 is provided on an upper portion of the
The at least one secondary side winding part 1010 may include at least one metal thin film pattern layer LP 19 and LP 20 having at least two inductance components, and at least two metal thin film pattern layers LP 19 and LP 20 having at least two inductance components. ) May include at least one secondary silicon (IP 6 ) that is provided between and insulates the metal thin film pattern layers (LP 19 , LP 20 ) having at least two inductance components.
In this case, at least one secondary side silicon IP 6 may be provided including a heat resistant silicon layer.
In addition, the metal thin film pattern layers LP 19 and LP 20 having at least two inductance components may be made of a metal having high conductivity to efficiently and smoothly transform the power signal transformed through the at least one secondary winding 1010. Can be provided to output.
In this case, the metal thin film pattern layers LP 19 and LP 20 having at least two inductance components may include at least one of a photo lithography method using a photo mask and an etching solution or an injection method using a compression press. It can be formed by one method.
The at least one secondary winding 1010 may be provided in at least one of a circle, an ellipse, and a polygon.
The
In this case, the
At least one other secondary winding 1013 may be provided between the core 1002 and the
Here, the at least one other secondary winding part 1013 may include the metal thin film pattern layers LP 21 and LP 22 having at least two inductance components, and the metal thin film pattern layers LP 21 and LP having at least two inductance components. 22 ) may include at least one secondary side silicon layer IP 7 provided between the layers to insulate the metal thin film pattern layers LP 21 and LP 22 having at least two inductance components.
In this case, at least one secondary side silicon layer IP 7 may be provided including a heat resistant silicon layer.
In addition, the metal thin film pattern layers LP 21 and LP 22 having at least two inductance components may be made of a metal having high conductivity. It may be provided to efficiently and smoothly output the power signal transformed through the at least one secondary winding portion 1013.
In this case, the metal thin film pattern layers LP 21 and LP 22 having at least two inductance components may include at least one of a photo lithography method using a photo mask and an etching solution or an injection method using a compression press. It can be formed by one method.
The at least one other secondary winding 1013 may be provided in at least one of a circle, an ellipse, and a polygon.
The third silicon layer 1013a may be provided under the metal thin film pattern layer LP 22 having at least two inductance components, and the first fastening portion 1002a 1 ,. 1002a 2 ) is provided to insulate the metal thin film pattern layer LP 22 having at least two inductance components.
In this case, the third silicon layer 1013a may be formed by spraying with insulating silicon, and the third silicon layer 1013a may be provided in at least one of a circle, an ellipse, and a polygon, and the third silicon layer 1013a. ) May be provided including a heat resistant silicon layer.
At least one other primary side winding portion 1017 may be provided under the third silicon layer 1013a, and the first fastening portion 1002a 1 ,. 1002a 2 ), may be insulated by the third silicon layer 1013a, and may be provided to supply a power signal while insulated including the fourth silicon layer 1017a.
Here, the at least one other primary winding part 1017 may include the metal thin film pattern layers LP 23 and LP 24 having at least two inductance components, and the metal thin film pattern layers LP 23 and LP having at least two inductance components. 24 may include at least one other primary side silicon layer IP 8 provided between the layers to insulate the metal thin film pattern layers LP 23 and LP 24 having at least two inductance components.
In this case, at least one other primary side silicon layer IP 8 may be provided including a heat resistant silicon layer.
In addition, the metal thin film pattern layers LP 23 and LP 24 having at least two inductance components may be made of a high conductive metal material to efficiently supply a power signal supplied through the third power
In this case, the metal thin film pattern layers LP 23 and LP 24 having at least two inductance components may include at least one of a photo lithography method using a photo mask and an etching solution or an injection method using a compression press. It can be formed by one method.
The at least one other primary winding 1017 may be provided in at least one of a circle, an ellipse, and a polygon.
The fourth silicon layer 1017a may be provided under the metal thin film pattern layer LP 24 having at least two inductance components, and the first fastening portion 1002a 1 ,. 1002a 2 ) may be provided to insulate the metal thin film pattern layer LP 24 having at least two inductance components.
In this case, the fourth silicon layer 1017a may be formed by spraying with insulating silicon, and the fourth silicon layer 1017a may be provided in at least one of a circle, an ellipse, and a polygon, and the fourth silicon layer 1017a. ) May be provided including a heat resistant silicon layer.
The first power
Here, the first power
In this case, the first power
The first power
Here, the first power
In this case, the first power
In addition, the third power
Here, the third power
In this case, the third power
In addition, the third power
Here, the third power
In this case, the third power
As described above, the
In addition, the
Therefore, the
In addition, the
It will be understood by those skilled in the art that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. Therefore, the above-described embodiments are to be understood as illustrative and not restrictive in all respects, and the scope of the present invention is indicated by the appended claims rather than the foregoing description, and the meaning and scope of the claims and All changes or modifications derived from the equivalent concept should be interpreted as being included in the scope of the present invention.
100, 400, 700, 1000:
102a 1 , 102a 2 , 402a 1 , 402a 2 : first fastening portion
702a 1 , 702a 2 , 1002a 1 , 1002a 2 : first fastening portion
102b, 402b, 702b, 1002b: lower core
102c, 402c, 702c, 1002c: upper core
102d, 402d, 702d, 1002d:
104a, 404a, 704a, 1004a: second fastening portion
106, 406, 706, 1006: one primary winding
108, 408, 708, 1008: first insulation
110, 410, 710, 1010: one secondary winding
112, 412, 712, 1012: second insulation
113, 413, 713, 1013: the other secondary winding
115, 415, 715, 1015: third insulation
117, 417, 717, 1017: the other primary winding
119, 419, 719, 1019: fourth insulation
121, 421, 721, and 1021: first power signal supply unit
123, 423, 723, 1023: first power signal output unit
125, 425: second power signal output section
127 and 427: second power
710a, 1010a:
717a and 1017a: fourth silicon layer
726 and 1026: third power signal output unit
728 and 1028: third power signal supply unit
Claims (81)
A bobbin fastened between the cores;
At least one primary winding unit provided between the core and the bobbin to supply a power signal;
A first insulator provided on the at least one primary side winding to insulate the at least one primary side winding;
At least one secondary winding unit provided on the first insulation unit and insulated by the first insulation unit, and configured to transform the power signal;
A second insulator provided on said at least one secondary side winding to insulate said at least one secondary side winding;
It is fastened to one side of the bobbin and fixed while pressing at least two of the end portion of the at least one primary side winding portion, is electrically connected to the at least one primary side winding portion to transmit the power signal to the at least one primary side A first power signal supply unit supplying the winding unit; And
It is fastened to the other side of the bobbin and fixed while pressing at least two of the end portion of the at least one secondary side winding portion, is electrically connected to the at least one secondary side winding portion by the at least one secondary side winding portion And a first power signal output unit configured to output the transformed power signal.
A bobbin fastened between the cores;
At least one primary side winding portion provided between the core and the bobbin and including a first silicon layer to insulate and supply a power signal;
At least one secondary side winding portion provided in the at least one primary side winding portion to be insulated by the first silicon layer and to transform the power signal while insulated including a second silicon layer;
It is fastened to one side of the bobbin and fixed while pressing at least two of the end portion of the at least one primary side winding portion, is electrically connected to the at least one primary side winding portion to transmit the power signal to the at least one primary side A first power signal supply unit supplying the winding unit; And
It is fastened to the other side of the bobbin and fixed while pressing at least two of the end portion of the at least one secondary side winding portion, is electrically connected to the at least one secondary side winding portion by the at least one secondary side winding portion And a first power signal output unit configured to output the transformed power signal.
And the first power signal supply unit is a terminal terminal.
And the first power signal output unit is a terminal terminal.
At least one other portion provided between the core and the bobbin, spaced apart from the at least one primary winding portion and the at least one secondary winding portion, and fastened to the first fastening portion to transform the power signal. A secondary winding;
And a third insulator provided on the at least one second secondary winding, the third insulator coupled to the first fastening to insulate the at least another secondary winding.
Fastened to the other side of the bobbin and fixed while pressing an end portion of the at least one secondary winding part, and electrically connected to the at least another secondary winding part, by the at least one secondary winding part And a second power signal output unit configured to output the transformed power signal.
The second power signal output unit,
And at least two of the end portions of the at least one secondary winding of the second winding portion are fixed by pressing.
And the second power signal output unit is a terminal terminal.
At least one other portion provided between the core and the bobbin, spaced apart from the at least one primary winding portion and the at least one secondary winding portion, and fastened to the first fastening portion to supply the power signal. A primary winding;
And a fourth insulator provided on the at least one other primary winding, and insulated with the first coupling to insulate the at least one primary winding.
Fastened to the other side of the bobbin and fixed while pressing an end portion of the at least one primary winding part, and electrically connected to the at least one primary winding part to transmit the power signal to the at least another primary side Planar transformer comprising a second power signal supply for supplying the winding portion.
The second power signal supply unit,
And at least two of end portions of the at least one primary winding unit to press and fix the at least two portions.
And the second power signal supply unit is a terminal terminal.
The at least one primary side winding portion is provided between the metal thin film pattern layer having at least two or more inductance components and the metal thin film pattern layer having the at least two or more inductance components to provide the metal thin film pattern layer having the at least two or more inductance components. Planar transformer including at least one primary side insulating layer for insulating.
The at least one secondary side winding part is provided between the metal thin film pattern layer having at least two or more inductance components and the metal thin film pattern layer having the at least two or more inductance components, and the metal thin film pattern layer having the at least two or more inductance components. Planar transformer comprising at least one secondary side insulating layer for insulating.
The at least one second secondary winding part is provided between the metal thin film pattern layer having at least two inductance components and the metal thin film pattern layer having the at least two inductance components, and the metal thin film pattern having the at least two inductance components. A planar transformer comprising at least one secondary side insulating layer that insulates the layer.
The at least one other primary side winding part is provided between the metal thin film pattern layer having at least two or more inductance components and the metal thin film pattern layer having the at least two or more inductance components, and the metal thin film pattern having the at least two or more inductance components. A planar transformer comprising at least one other primary side insulating layer to insulate the layer.
And the first insulator is provided in at least one of a circle, an ellipse, and a polygon.
And the first insulating portion is an insulating sheet.
And the second insulator is provided in at least one shape of a circle, an oval, and a polygon.
And the second insulating portion is an insulating sheet.
And the third insulator is provided in at least one of a circle, an oval, and a polygon.
And the third insulating portion is an insulating sheet.
And the fourth insulator is provided in at least one of a circle, an ellipse, and a polygon.
And said fourth insulating portion is an insulating sheet.
It is provided between the core and the bobbin, spaced apart from the at least one primary side winding portion and the at least one secondary winding portion and fastened to the first fastening portion, and insulated including a third silicon layer. And at least one other secondary winding for transforming the power signal.
Fastened to the other side of the bobbin and fixed while pressing an end portion of the at least one secondary winding part, and electrically connected to the at least another secondary winding part, by the at least one secondary winding part And a third power signal output unit configured to output the transformed power signal.
The third power signal output unit,
And at least two of the end portions of the at least one secondary winding of the second winding portion are fixed by pressing.
And the third power signal output unit is a terminal terminal.
A space between the core and the bobbin, spaced apart from the at least one primary winding and the at least one secondary winding, and fastened to the first fastening, and including a fourth silicon layer to insulate it. And at least one other primary winding that supplies the power signal.
Fastened to the other side of the bobbin and fixed while pressing an end portion of the at least one primary winding part, and electrically connected to the at least one primary winding part to transmit the power signal to the at least another primary side Planar transformer comprising a third power signal supply for supplying the winding portion.
The third power signal supply unit,
And at least two of end portions of the at least one primary winding unit to press and fix the at least two portions.
And the third power signal supply unit is a terminal terminal.
The at least one primary side winding portion is provided between the metal thin film pattern layer having at least two or more inductance components and the metal thin film pattern layer having the at least two or more inductance components to provide the metal thin film pattern layer having the at least two or more inductance components. Planar transformer comprising at least one primary side silicon layer for insulating the.
The at least one secondary side winding part is provided between the metal thin film pattern layer having at least two or more inductance components and the metal thin film pattern layer having the at least two or more inductance components, and the metal thin film pattern layer having the at least two or more inductance components. Planar transformer comprising at least one secondary side silicon layer for insulating the.
The at least one second secondary winding part is provided between the metal thin film pattern layer having at least two inductance components and the metal thin film pattern layer having the at least two inductance components, and the metal thin film pattern having the at least two inductance components. A planar transformer comprising at least one other secondary side silicon layer to insulate the layer.
The at least one other primary side winding part is provided between the metal thin film pattern layer having at least two or more inductance components and the metal thin film pattern layer having the at least two or more inductance components, and the metal thin film pattern having the at least two or more inductance components. A planar transformer comprising at least one other primary side silicon layer to insulate the layer.
And the first silicon layer is provided in at least one of a circle, an ellipse, and a polygon.
The first silicon layer is a plane transformer formed by spraying with insulating silicon.
And said first silicon layer comprises a heat resistant silicon layer.
And said second silicon layer is provided in the shape of at least one of a circle, an oval, and a polygon.
And the second silicon layer is formed by spraying with insulating silicon.
And said second silicon layer comprises a heat resistant silicon layer.
And said third silicon layer is provided in at least one of a circle, an ellipse, and a polygon.
The third silicon layer is a plane transformer formed by spraying with insulating silicon.
And said third silicon layer comprises a heat resistant silicon layer.
And the fourth silicon layer is provided in the shape of at least one of a circle, an oval, and a polygon.
And the fourth silicon layer is formed by spraying with insulating silicon.
And said fourth silicon layer comprises a heat resistant silicon layer.
And said at least one primary side silicon layer comprises a heat resistant silicon layer.
And the at least one secondary side silicon layer comprises a heat resistant silicon layer.
And said at least one other secondary side silicon layer comprises a heat resistant silicon layer.
And said at least one other primary side silicon layer comprises a heat resistant silicon layer.
And the at least one primary winding part comprises a metal thin film pattern layer having an inductance component.
And said at least one primary winding is provided in the shape of at least one of a circle, an oval, and a polygon.
And the at least one secondary side winding part includes a metal thin film pattern layer having an inductance component.
And said at least one secondary winding is provided in the shape of at least one of a circle, an oval, and a polygon.
And the at least one other secondary winding part includes a metal thin film pattern layer having an inductance component.
And said at least another secondary winding is provided in the shape of at least one of a circle, an oval, and a polygon.
And the at least one other primary winding part includes a metal thin film pattern layer having an inductance component.
And the at least one other primary winding unit is provided in at least one of a circular, elliptical, and polygonal shape.
The core comprises a lower core and an upper core.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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KR1020100077133A KR101103604B1 (en) | 2010-08-11 | 2010-08-11 | Planar transformer |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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KR1020100077133A KR101103604B1 (en) | 2010-08-11 | 2010-08-11 | Planar transformer |
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KR101103604B1 true KR101103604B1 (en) | 2012-01-09 |
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KR1020100077133A KR101103604B1 (en) | 2010-08-11 | 2010-08-11 | Planar transformer |
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Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH07263232A (en) * | 1994-03-18 | 1995-10-13 | Murata Mfg Co Ltd | Multilayer coil and its manufacture |
JPH09270343A (en) * | 1996-03-29 | 1997-10-14 | Toko Inc | Sheet coil stacked type transformer and structure of its terminal |
JP2004039878A (en) * | 2002-07-03 | 2004-02-05 | Fdk Corp | Coil component |
KR20040042088A (en) * | 2002-11-13 | 2004-05-20 | 이수세라믹 주식회사 | Planar inductor |
-
2010
- 2010-08-11 KR KR1020100077133A patent/KR101103604B1/en active IP Right Grant
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH07263232A (en) * | 1994-03-18 | 1995-10-13 | Murata Mfg Co Ltd | Multilayer coil and its manufacture |
JPH09270343A (en) * | 1996-03-29 | 1997-10-14 | Toko Inc | Sheet coil stacked type transformer and structure of its terminal |
JP2004039878A (en) * | 2002-07-03 | 2004-02-05 | Fdk Corp | Coil component |
KR20040042088A (en) * | 2002-11-13 | 2004-05-20 | 이수세라믹 주식회사 | Planar inductor |
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