WO2024005451A1 - 안테나 패턴 제조 방법 - Google Patents
안테나 패턴 제조 방법 Download PDFInfo
- Publication number
- WO2024005451A1 WO2024005451A1 PCT/KR2023/008690 KR2023008690W WO2024005451A1 WO 2024005451 A1 WO2024005451 A1 WO 2024005451A1 KR 2023008690 W KR2023008690 W KR 2023008690W WO 2024005451 A1 WO2024005451 A1 WO 2024005451A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- metal sheet
- antenna pattern
- half groove
- sheet
- manufacturing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
Links
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
- H01Q1/38—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith formed by a conductive layer on an insulating support
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
- H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
- H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
- H01Q1/2208—Supports; Mounting means by structural association with other equipment or articles associated with components used in interrogation type services, i.e. in systems for information exchange between an interrogator/reader and a tag/transponder, e.g. in Radio Frequency Identification [RFID] systems
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q7/00—Loop antennas with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop
Definitions
- the present invention relates to a method of manufacturing an antenna pattern, and more specifically, to a method of manufacturing a loop-shaped antenna pattern that is mounted on a portable terminal and used for wireless power transmission and reception or communication.
- high-output wireless charging applies a higher voltage to the antenna and substrate for wireless power transmission/reception, which can reduce charging efficiency or, in extreme cases, cause a fire.
- Coil winding method, pattern printing method, and hybrid method are mainly used to manufacture antennas for wireless power transmission/reception.
- the conventional manufacturing method cannot precisely form the line spacing (or line width) of the pattern when the thickness of the antenna becomes thick. Accordingly, antennas manufactured using conventional manufacturing methods can suppress heat generation, but have the problem of reduced charging efficiency.
- the present invention was proposed to solve the above problems, and provides a method of manufacturing an antenna pattern that precisely forms the line spacing (or line width) of the antenna pattern by forming a through hole in a metal sheet through a punching process and an etching process.
- the purpose is to
- the method of manufacturing an antenna pattern includes the steps of laminating a carrier sheet to the first side of a metal sheet, punching the second side of the metal sheet opposite the first side, and forming the metal sheet. forming a first half groove in the inner direction of the metal sheet on the second side of the metal sheet, laminating a coverlay sheet to the second side of the metal sheet on which the first half groove is formed, and forming a first half groove on the first side of the metal sheet. Removing the laminated carrier sheets, exposing the first side of the metal sheet from which the carrier sheet was removed, and half-etching the first side of the metal sheet to create a groove from the first side of the metal sheet toward the inside of the metal sheet. and forming a second half groove.
- the second half groove is formed so that at least a portion overlaps the first half groove, and the first half groove and the second half groove penetrate the first and second sides of the metal sheet.
- a through hole can be formed.
- the through hole forms the line spacing of the antenna pattern, and the line spacing of the antenna pattern may be the same as the thickness of the metal sheet, or the width of the through hole may be 80% or more and 120% or less of the thickness of the metal sheet.
- the first half groove has a first central axis vertically penetrating the first and second sides of the metal sheet
- the second half groove has a second central axis vertically penetrating the first and second sides of the metal sheet.
- the first central axis and the second central axis may be spaced apart or arranged on the same line.
- the metal sheet is a plate-shaped substrate with a set thickness, and the set thickness may be 70 um or more.
- the antenna pattern manufacturing method further includes the step of surface treating the first side of the metal sheet on which the second half groove is formed, and in the surface treatment step, a rust prevention film is formed on the first side of the metal sheet. You can.
- the antenna pattern manufacturing method may further include forming an outline of the antenna pattern by stamping a metal sheet on which the second half groove is formed.
- the antenna pattern manufacturing method is divided into a punching process and an etching process to form a through hole in the metal sheet, thereby reducing the line spacing and/or line width by about 50% compared to the antenna pattern formed by the conventional antenna pattern manufacturing method. There is an effect that can reduce it.
- the antenna pattern manufacturing method reduces the width of the through hole (i.e., the line spacing or line width of the antenna pattern) by about 50% compared to the conventional method, so that even in a metal sheet with a thickness of 3oz (105um) or more, the line spacing (pitch) is less than 100um. There is an effect of producing an antenna pattern with .
- the antenna pattern manufacturing method allows the production of an antenna pattern with a line spacing of about 80% to 120% of the metal thickness, which increases design freedom and enables performance-optimized design.
- FIG. 1 is a diagram for explaining a method of manufacturing an antenna pattern according to an embodiment of the present invention.
- Figure 2 is a diagram for explaining an antenna pattern manufactured by an antenna pattern manufacturing method according to an embodiment of the present invention.
- FIGS. 3 and 4 are views for explaining the through hole shown in FIG. 2.
- FIG. 5 is a diagram for explaining a modified example of the through hole shown in FIG. 2.
- Figure 6 is a flowchart illustrating a method of manufacturing an antenna pattern according to an embodiment of the present invention.
- FIG. 7 is a diagram for explaining each step of the antenna pattern manufacturing method according to an embodiment of the present invention.
- FIGS. 8 and 9 are diagrams for comparing and explaining the conventional antenna pattern manufacturing method and the antenna pattern manufacturing method of the present invention.
- each layer (film), region, pattern or structure is said to be formed “on” or “under” the substrate, each layer (film), region, pad or pattern.
- “on” and “under” include both being formed “directly” or “indirectly” through another layer.
- the standards for the top or bottom of each floor are based on the drawing.
- the antenna pattern manufacturing method manufactures a loop-shaped antenna pattern 100 using a metal sheet 110.
- the antenna pattern 100 manufactured through the antenna pattern manufacturing method is an antenna pattern for wireless power transmission/reception (WPC; Wireless Power Consortium), an antenna pattern for near field communication (NFC; Near Field Communication), and an antenna pattern for electronic payment (MST; Magnetic Secure). It can be used as an antenna pattern for transmission, etc.
- WPC Wireless Power Consortium
- NFC Near Field Communication
- MST Magnetic Secure
- the antenna pattern manufacturing method may be used to manufacture a combo antenna pattern including two or more of WPC, NFC, and MST.
- one or more antenna patterns 100 manufactured by the antenna pattern manufacturing method according to an embodiment of the present invention may be assembled on a circuit board (FPCB) to form a single antenna or a combo antenna.
- the antenna pattern 100 may be assembled on the circuit board through a soldering process, ultrasonic welding process, etc.
- the WPC antenna pattern 100 manufactured by the following antenna pattern manufacturing method may be assembled into a circuit board through a soldering process, an ultrasonic welding process, etc., and a combo antenna may be formed by assembling a shielding sheet, a heat dissipation sheet, etc.
- the vertical cut surface of the antenna pattern 100 manufactured by the antenna pattern manufacturing method according to an embodiment of the present invention has a plurality of metal patterns 111a to 111j and a plurality of through holes 112a to 112i. are placed alternately.
- the description will be made based on the vertical cut surface of the antenna pattern 100.
- the metal pattern 111 has a groove (G) formed at an end adjacent to the through hole 112. At this time, the groove G may be formed only at the end of one of the two metal patterns 111 adjacent to both sides of the through hole 112.
- a first groove G1 may be formed at the first end of the first metal pattern 111a so as to be biased toward the top of the first metal pattern 111a based on the drawing.
- a second groove G2 may be formed at the first end of the second metal pattern 111b to be biased toward the upper surface of the second metal pattern 111b.
- the first groove (G1) and the second groove (G2) are arranged to face each other.
- grooves (G) are formed in both the first metal pattern 111a and the second metal pattern 111b, but this is not limited to the first metal pattern 111a and the second metal pattern 111b.
- the groove (G) may be formed only on one of the cross sections.
- the through hole 112 is interposed between two adjacent metal patterns 111 to form a space, and the space formed by the through hole 112 forms a line spacing of the antenna pattern 100.
- the first through hole 112a is interposed between the first metal pattern 111a and the second metal pattern 111b, thereby separating the first metal pattern 111a and the second metal pattern 111b.
- the second through hole 112b is interposed between the second metal pattern 111b and the third metal pattern 111c, thereby separating the second metal pattern 111b and the third metal pattern 111c.
- the third through holes 112b to 9th through holes 112i are also interposed between two adjacent metal patterns 111 to space the two metal patterns 111 apart.
- the through hole 112 includes a first half hole (H1) and a second half hole (H2).
- the first half hole H1 and the second half hole H2 are configured to overlap at least a portion to form a through hole 112 that vertically penetrates the upper and lower surfaces of the antenna pattern 100.
- the first half hole H1 and the second half hole H2 respectively correspond to the first half groove 113 and the second half groove 114, which will be described later.
- the first half hole H1 is formed through a punching process and thus has a rectangular shape
- the second half hole H2 is formed through an etching process, so it is formed into a circular shape with the top and bottom cut off in the drawing.
- the first half hole H1 may be formed in various shapes depending on the shape of the punching blade of the punching device, the entry angle of the punching blade, the strength of the metal sheet 110, etc.
- the first half hole H1 has a parallelogram shape (see modified structure 1 in FIG. 3), a trapezoidal shape (see modified structure 2 in FIG. 3), and a rectangular shape with a taper (see modified structure 2 in FIG. 3). (see modified structure 3), etc.
- the central axis (A) of the first half hole (H1) and the central axis (B) of the second half hole (H2) are perpendicular to the upper and lower surfaces of the antenna pattern 100, and the central axis ( A) and the central axis (B) can be arranged on the same line.
- the through hole 112 is formed through a punching process and an etching process, but in the actual process, it is very difficult to etch the second half hole (H2) to be accurately aligned with the first half hole (H1). . Accordingly, referring to FIG. 5, the first half hole H1 and the second half hole H2 may be formed to be offset.
- the method of manufacturing an antenna pattern includes a carrier sheet laminating step (S110), a first half groove forming step (S120), a coverlay sheet laminating step (S130), and a carrier sheet laminating step (S130). It includes a removal step (S140), an exposure step (S150), and a second half groove forming step (S160).
- the carrier sheet 120 is laminated to the first side of the metal sheet 110.
- the carrier sheet 120 is laminated to the first surface (that is, the upper surface of the metal sheet 110) of the metal sheet 110 having a thickness equal to or greater than the set thickness.
- a metal sheet 110 having a thickness of approximately 2oz (i.e., approximately 70um) or more is prepared.
- a metal sheet 110 made of copper (Cu) used for the general antenna pattern 100 is prepared.
- an amorphous solid or semi-solid resin made of polymers such as polyimide (PI), polyethylene terephthalate (PET), or organic compounds and their derivatives is prepared as the carrier sheet 120.
- the carrier sheet 120 is laminated to the first side of the metal sheet 110 through a roll to roll process.
- the first half groove 113 is formed on the second side of the metal sheet 110 by half punching the second side of the metal sheet 110.
- a plurality of first half grooves 113 are formed on the second surface of the metal sheet 110 by controlling the punching pressure.
- coverlay sheet lamination step (S130) the coverlay sheet 130 is laminated to the second side of the metal sheet 110 on which the first half groove 113 is formed.
- coverlay sheet lamination step (S130) the coverlay sheet 130 is laminated to the second side of the metal sheet 110 on which the first half groove 113 is formed.
- the coverlay sheet 130 is an example of a sheet formed of a material such as PI, PET, or thermosetting resin.
- the carrier sheet 120 is removed from the metal sheet 110 on which the coverlay sheet 130 is laminated to the first side.
- the carrier sheet removal step (S140) the carrier sheet 120 laminated to the second side of the metal sheet 110 is removed.
- the first side of the metal sheet 110 is exposed.
- an exposure film is laminated to the metal sheet 110 on which the carrier sheet 120 is laminated to form an exposure layer 140 on the first side of the metal sheet 110.
- the exposure layer 140 may be formed on the first side of the metal sheet 110 by applying a photoresist to the first side of the metal sheet 110.
- the antenna pattern 100 mask is stacked (or placed) on the first side of the metal sheet 110 on which the exposure layer 140 is formed, and the first surface of the metal sheet 110 is exposed through an exposure device. Shine UV light on the cotton. Accordingly, the exposed layer 140 formed on the first surface of the metal sheet 110 is hardened into the same shape as the antenna pattern 100 of the antenna pattern 100 mask.
- the first side of the metal sheet 110 is etched to form a second half groove 114 in the metal sheet 110.
- the first side of the exposed metal sheet 110 is etched to form a second half groove 114 in the metal sheet 110.
- the first side of the metal sheet 110 on which the exposure layer 140 is laminated is etched.
- the first side of the metal sheet 110 on which the exposure layer 140 is laminated is etched through an etching process such as wet etching or dry etching. Accordingly, a second half groove 114 is formed in the metal sheet 110 from the first surface of the metal sheet 110 toward the inside of the metal sheet 110.
- the second half groove 114 is formed so that at least part of the first half groove 113 formed in the first half groove forming step (S120) overlaps. Accordingly, the first half groove 113 and the second half groove 114 form a through hole 112 penetrating the metal sheet 110, and the through hole 112 is formed by the metal sheet 110.
- the line spacing of the antenna pattern 100 is formed.
- the cured exposure layer 140 is removed after the second half groove 114 is formed.
- the conventional antenna pattern manufacturing method forms through holes 11 that form the line spacing of the antenna pattern 100 in the metal sheet 10 through one-time etching.
- the width W1 of the through hole 11 increases in proportion to the thickness T of the metal sheet 10, and the width W1 of the through hole 11 formed through the conventional etching process is That is, the line spacing of the antenna pattern) is formed to be about twice (200%) the thickness (T) of the metal sheet 10.
- the thickness (T) of the metal sheet (10, antenna pattern) is about 2oz (approximately 70um)
- the width (W1, that is, the line of the antenna pattern) of the through hole 11 formed by the conventional antenna pattern manufacturing method is The spacing or line width) is approximately 140um.
- the thickness (T) of the metal sheet (10, antenna pattern 100) is about 3 oz (approximately 105 um)
- the width (W1, that is, of the antenna pattern) of the through hole 11 formed by the conventional antenna pattern manufacturing method is The line spacing or line width) is approximately 210um.
- the antenna pattern manufacturing method according to an embodiment of the present invention is divided into a punching process and an etching process to form the through hole 112, thereby reducing the width of the through hole 112 formed in the metal sheet 110 (i.e. , the line spacing or line width of the antenna pattern 100 may be formed to be less than or equal to the thickness of the metal sheet 110.
- the width of the through hole 112 (i.e., the line spacing or line width of the antenna pattern 100) may be formed to be about 80% to 120% of the thickness of the metal sheet 110, including errors during the manufacturing process. .
- the thickness T of the metal sheet 110 i.e., the antenna pattern 100
- the width (W2, that is, the line spacing or line width of the antenna pattern 100) of the through hole 112 is formed to be approximately 70 um.
- the thickness (T) of the metal sheet 110 i.e., the antenna pattern 100
- the width (W2, i.e., the antenna) of the through hole 112 formed by the conventional antenna pattern manufacturing method is about 100 um.
- the method of manufacturing an antenna pattern according to an embodiment of the present invention forms a second half groove 114 through a punching process and an etching process, thereby forming a line between 80% and 120% of the thickness of the metal sheet 110 in a simple process.
- Antenna patterns 100 with gaps can be manufactured. That is, the antenna pattern manufacturing method according to an embodiment of the present invention is similar to the conventional antenna pattern manufacturing method by forming the first half groove 113 through a punching process and forming the second half groove 114 through an etching process. Compared to this, the width of the through hole 112 formed in the metal sheet 110 (i.e., the line spacing or line width of the antenna pattern 100) can be reduced by about 50%.
- the antenna pattern manufacturing method reduces the width of the through hole 112 (i.e., the line spacing or line width of the antenna pattern 100) by about 50% compared to the prior art, thereby reducing the thickness to 3 oz ( There is an effect in that the antenna pattern 100 having a line spacing (pitch) of 100 um or less can be manufactured even from the metal sheet 110 that is 105 um or more.
- the method of manufacturing an antenna pattern according to an embodiment of the present invention enables the production of an antenna pattern 100 with a line spacing of about 80% to 120% of the metal thickness, which increases design freedom and enables performance-optimized design. There is.
- the antenna pattern manufacturing method according to an embodiment of the present invention may further include a surface treatment step and a stamping step that are performed step by step after the second half groove forming step (S160).
- the first side of the metal sheet 110 is surface treated.
- an organic material is applied through an Organic Solderability Preservative (OSP) process to form a rust prevention film 118 on the first side of the metal sheet 110.
- OSP Organic Solderability Preservative
- the first surface of the metal sheet 110 is flattened and air is blocked from contact with the metal sheet 110 to prevent oxidation of the metal sheet 110 (that is, the antenna pattern 100).
- a plating layer may be formed by plating tin (Sn) or nickel (Ni) on the first surface of the metal sheet 110.
- an outline of the antenna pattern 100 is formed on the metal sheet 110 through a stamping process.
- the metal sheet 110 is stamped using a stamping device to form an outline of the antenna pattern 100.
- the antenna pattern manufacturing method can manufacture the antenna pattern 100 having a line spacing of 80% or more and 120% or less of the thickness of the metal sheet 110.
- the antenna pattern 100 manufactured through the above-described process is used as an antenna for wireless power transmission/reception (WPC; Wireless Power Consortium), near field communication (NFC; Near Field Communication), electronic payment (MST; Magnetic Secure Transmission), etc. It can work.
- WPC Wireless Power Consortium
- NFC Near Field Communication
- MST Magnetic Secure Transmission
Landscapes
- Details Of Aerials (AREA)
Abstract
Description
Claims (9)
- 금속 시트의 제1 면에 캐리어 시트를 합지하는 단계;상기 제1 면과 대향되는 상기 금속 시트의 제2 면을 펀칭하여 상기 금속 시트의 제2 면에서 상기 금속 시트의 내부 방향으로 파여진 제1 하프 홈을 형성하는 단계;상기 제1 하프 홈이 형성된 상기 금속 시트의 제2 면에 커버레이 시트를 합지하는 단계;상기 금속 시트의 제1 면에 합지된 캐리어 시트를 제거하는 단계;상기 캐리어 시트가 제거된 상기 금속 시트의 제1 면을 노광하는 단계; 및상기 금속 시트의 제1 면을 하프 에칭하여 상기 금속 시트의 제1 면에서 상기 금속 시트의 내부 방향으로 파여진 제2 하프 홈을 형성하는 단계를 포함하는 안테나 패턴 제조 방법.
- 제1항에 있어서,상기 제2 하프 홈을 형성하는 단계에서는 상기 제1 하프 홈과 적어도 일부가 중첩되도록 상기 제2 하프 홈을 형성하고,상기 제1 하프 홈 및 상기 제2 하프 홈은 상기 금속 시트의 제1 면 및 제2 면을 관통하는 관통 홀을 형성하는 안테나 패턴 제조 방법.
- 제2항에 있어서,상기 관통 홀은 상기 안테나 패턴의 선 간격을 형성하고, 상기 안테나 패턴의 선 간격은 상기 금속 시트의 두께와 동일한 안테나 패턴 제조 방법.
- 제2항에 있어서,상기 관통 홀의 폭은 상기 금속 시트의 두께의 80% 이상 120% 이하인 안테나 패턴 제조 방법.
- 제1항에 있어서,상기 제1 하프 홈은 상기 금속 시트의 제1 면 및 제2 면을 수직으로 관통하는 제1 중심 축을 갖고, 상기 제2 하프 홈은 상기 금속 시트의 제1 면 및 제2 면을 수직으로 관통하는 제2 중심 축을 갖고,상기 제1 중심 축과 상기 제2 중심 축은 이격된 안테나 패턴 제조 방법.
- 제1항에 있어서,상기 제1 하프 홈은 상기 금속 시트의 제1 면 및 제2 면을 수직으로 관통하는 제1 중심 축을 갖고, 상기 제2 하프 홈은 상기 금속 시트의 제1 면 및 제2 면을 수직으로 관통하는 제2 중심 축을 갖고,상기 제1 중심 축과 상기 제2 중심 축은 동일 선상에 배치된 안테나 패턴 제조 방법.
- 제1항에 있어서,상기 금속 시트는 설정 두께를 갖는 판상 기재이고,상기 설정 두께는 70um 이상인 안테나 패턴 제조 방법.
- 제1항에 있어서,상기 제2 하프 홈이 형성된 상기 금속 시트의 제1 면을 표면 처리하는 단계를 더 포함하고,상기 표면 처리하는 단계에서는 상기 금속 시트의 제1 면에 방청막을 형성하는 안테나 패턴 제조 방법.
- 제1항에 있어서,상기 제2 하프 홈이 형성된 상기 금속 시트를 스탬핑하여 상기 안테나 패턴의 아웃 라인을 형성하는 단계를 더 포함하는 안테나 패턴 제조 방법.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US18/880,241 US20260011920A1 (en) | 2022-06-28 | 2023-06-22 | Antenna pattern manufacturing method |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020220078586A KR102744243B1 (ko) | 2022-06-28 | 2022-06-28 | 안테나 패턴 제조 방법 |
| KR10-2022-0078586 | 2022-06-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2024005451A1 true WO2024005451A1 (ko) | 2024-01-04 |
Family
ID=89380758
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/KR2023/008690 Ceased WO2024005451A1 (ko) | 2022-06-28 | 2023-06-22 | 안테나 패턴 제조 방법 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US20260011920A1 (ko) |
| KR (1) | KR102744243B1 (ko) |
| WO (1) | WO2024005451A1 (ko) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20130021933A (ko) * | 2011-08-24 | 2013-03-06 | 삼성전자주식회사 | 반사시트 제조방법 및 광원 모듈 제조방법 |
| KR20140132229A (ko) * | 2013-05-07 | 2014-11-17 | 해성디에스 주식회사 | 기판 홀 형성 방법 및 기판 홀 형성 장치 |
| KR20150077843A (ko) * | 2013-12-30 | 2015-07-08 | (재)한국나노기술원 | 비아 홀 콘택 형성을 위한 비아 홀 제조방법 및 이에 의해 제조된 비아 홀이 형성된 반도체 소자 |
| KR20190042840A (ko) * | 2017-10-17 | 2019-04-25 | 주식회사 심텍 | 메탈 코어 인쇄회로기판 및 그 제조 방법 |
| KR102276977B1 (ko) * | 2020-06-01 | 2021-07-13 | 해성디에스 주식회사 | 무선 충전 코일의 제조 방법 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101218755B1 (ko) | 2012-11-05 | 2013-01-09 | 주식회사 다이나트론 | 안테나용 금속패턴 제조방법 |
-
2022
- 2022-06-28 KR KR1020220078586A patent/KR102744243B1/ko active Active
-
2023
- 2023-06-22 WO PCT/KR2023/008690 patent/WO2024005451A1/ko not_active Ceased
- 2023-06-22 US US18/880,241 patent/US20260011920A1/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20130021933A (ko) * | 2011-08-24 | 2013-03-06 | 삼성전자주식회사 | 반사시트 제조방법 및 광원 모듈 제조방법 |
| KR20140132229A (ko) * | 2013-05-07 | 2014-11-17 | 해성디에스 주식회사 | 기판 홀 형성 방법 및 기판 홀 형성 장치 |
| KR20150077843A (ko) * | 2013-12-30 | 2015-07-08 | (재)한국나노기술원 | 비아 홀 콘택 형성을 위한 비아 홀 제조방법 및 이에 의해 제조된 비아 홀이 형성된 반도체 소자 |
| KR20190042840A (ko) * | 2017-10-17 | 2019-04-25 | 주식회사 심텍 | 메탈 코어 인쇄회로기판 및 그 제조 방법 |
| KR102276977B1 (ko) * | 2020-06-01 | 2021-07-13 | 해성디에스 주식회사 | 무선 충전 코일의 제조 방법 |
Also Published As
| Publication number | Publication date |
|---|---|
| KR102744243B1 (ko) | 2024-12-18 |
| KR20240001823A (ko) | 2024-01-04 |
| US20260011920A1 (en) | 2026-01-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2012005524A2 (en) | The printed circuit board and the method for manufacturing the same | |
| WO2012091373A2 (en) | Method for manufacturing printed circuit board | |
| CA2073211C (en) | Method of manufacturing a rigid-flex printed wiring board | |
| WO2014069734A1 (en) | Printed circuit board | |
| WO2019182283A1 (ko) | 콤보 안테나 모듈 | |
| JP2009253233A (ja) | コモンモードチョークコイル用内層基板およびその製造方法並びにコモンモードチョークコイル | |
| WO2014088357A1 (ko) | 인쇄회로기판 및 그 제조방법 | |
| WO2013032277A2 (en) | Method of manufacturing substrate for chip packages and method of manufacturing chip package | |
| WO2024005451A1 (ko) | 안테나 패턴 제조 방법 | |
| WO2023211008A1 (ko) | 안테나 패턴 제조 방법 | |
| WO2014092386A1 (ko) | 인쇄회로기판 및 그 제조방법 | |
| WO2024005449A1 (ko) | 안테나 패턴 제조 방법 및 이에 의해 제조된 안테나 패턴 | |
| WO2016039518A1 (ko) | 파워 인덕터 및 그 제조 방법 | |
| WO2023210994A1 (ko) | 안테나 패턴 | |
| WO2021158041A1 (ko) | 케이블 모듈 및 이를 제조하기 위한 방법 | |
| WO2018097518A1 (ko) | 평판 케이블 제조 방법 | |
| KR102744238B1 (ko) | 안테나 패턴 및 이의 제조 방법 | |
| CN118215224A (zh) | 具有厚铜线路层的电路板的制备方法 | |
| WO2019177357A1 (ko) | 무선전력 수신모듈 및 이를 포함하는 휴대용 전자기기 | |
| CN214800039U (zh) | 一种局部厚铜电路板及电子设备 | |
| WO2023085580A1 (ko) | 연성인쇄회로기판 제조방법 | |
| WO2023085581A1 (ko) | 양면 노출형 연성인쇄회로기판 제조방법 | |
| WO2024005450A1 (ko) | 안테나 패턴 및 이의 제조 방법 | |
| KR102812753B1 (ko) | 안테나 패턴 및 이의 제조 방법 | |
| WO2019132509A1 (ko) | 안테나 모듈 및 이를 포함하는 휴대용 단말기 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 23831811 Country of ref document: EP Kind code of ref document: A1 |
|
| WWE | Wipo information: entry into national phase |
Ref document number: 18880241 Country of ref document: US |
|
| NENP | Non-entry into the national phase |
Ref country code: DE |
|
| 122 | Ep: pct application non-entry in european phase |
Ref document number: 23831811 Country of ref document: EP Kind code of ref document: A1 |
|
| WWP | Wipo information: published in national office |
Ref document number: 18880241 Country of ref document: US |