EP2483595A1 - Leuchtvorrichtung und verfahren zum kontaktieren einer leuchtvorrichtung - Google Patents
Leuchtvorrichtung und verfahren zum kontaktieren einer leuchtvorrichtungInfo
- Publication number
- EP2483595A1 EP2483595A1 EP10785381A EP10785381A EP2483595A1 EP 2483595 A1 EP2483595 A1 EP 2483595A1 EP 10785381 A EP10785381 A EP 10785381A EP 10785381 A EP10785381 A EP 10785381A EP 2483595 A1 EP2483595 A1 EP 2483595A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- punching
- lighting device
- wiring
- circuit board
- bushing
- 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.)
- Withdrawn
Links
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/30—Assembling printed circuits with electric components, e.g. with resistors
- H05K3/32—Assembling printed circuits with electric components, e.g. with resistors electrically connecting electric components or wires to printed circuits
- H05K3/325—Assembling printed circuits with electric components, e.g. with resistors electrically connecting electric components or wires to printed circuits by abutting or pinching; Mechanical auxiliary parts therefor
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/18—Printed circuits structurally associated with non-printed electric components
- H05K1/189—Printed circuits structurally associated with non-printed electric components characterised by the use of flexible or folded printed circuits
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
- H05K2201/10—Details of components or other objects attached to or integrated in a printed circuit board
- H05K2201/10007—Types of components
- H05K2201/10106—Light emitting diode [LED]
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
- H05K2201/10—Details of components or other objects attached to or integrated in a printed circuit board
- H05K2201/10227—Other objects, e.g. metallic pieces
- H05K2201/10401—Eyelets, i.e. rings inserted into a hole through a circuit board
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K2203/00—Indexing scheme relating to apparatus or processes for manufacturing printed circuits covered by H05K3/00
- H05K2203/11—Treatments characterised by their effect, e.g. heating, cooling, roughening
- H05K2203/1189—Pressing leads, bumps or a die through an insulating layer
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/22—Secondary treatment of printed circuits
- H05K3/28—Applying non-metallic protective coatings
- H05K3/284—Applying non-metallic protective coatings for encapsulating mounted components
Definitions
- the invention relates to a lighting device, comprising ei ⁇ ne circuit board, wherein the circuit board has at its front and / or on its back a wiring and the respective wiring is covered by a potting layer.
- the invention further relates to a method for contacting such a lighting device.
- LED luminous bands are known from the LINEARLight series from the company Os- ram, which have a band-shaped printed circuit board, wherein the printed circuit board is equipped on one side with light-emitting diodes. Accordingly, associated wiring, including electrical contacts, is on the side populated with the light emitting diodes, which is typically referred to as the front side.
- the back is designed for mounting the LED light strip and is equipped with a double-sided adhesive tape.
- LED lighting strips cast into a potting compound have been offered for upgrading to an IP protection class.
- These encapsulated LED light strips are available as prefabricated and pre-assembled LED light strips with fixed lengths, in which an electrical contact is provided via likewise cast-in plugs or cables.
- Plug-in kits are offered for customer-side installation, in which the customer manually removes the potting, soldering the cables or the plug on their own and with an enclosed portion of silicone or similar. the tightness of the product must be restored. The warranty claim of the customer against the manufacturer is lost and the IP classification is no longer guaranteed by the manufacturer or supplier. It is the object of the present invention to provide a simple way of contacting potted contacts of a lighting device, in which an IP protection class can be maintained.
- Preferred embodiments are insbesonde ⁇ re the dependent claims.
- the object is achieved by a lighting device, aufwei ⁇ send a circuit board, wherein the circuit board on its front ⁇ side and / or on its back has a wiring, wherein the respective wiring is covered by at least one potting layer.
- the wiring can to ⁇ special contact pads or contact pads in particular comprise electrical contacts.
- the lighting device further comprises at least one electrically conductive punching bush, wherein the punching bushing extends through the potting layer at least to the wiring and thus electrically contacts the wiring.
- the stamped bush can be a cutting bush which cuts into the potting.
- the cutting bush can have a cutting edge.
- the punching bushing is generally tubular and can be pressed into the potting layer with one end, which is referred to below as the front En ⁇ de, wherein the end of the potting layer severed until its impact on the circuit board.
- the severing is done without exposing the board, so that the at least teilvergossene circuit board in a simple manner, precisely and without Ver ⁇ violation of the protective function of the potting layer is contacted.
- To the punching sleeve can be easily connected electrical lines for an external electrical connection of the lighting device. It is possible, the electrical (s) Lead the cable (s) upwards away from the lighting device.
- the pierce nut can be introduced to be ⁇ schiger point in the cast layer and not, for example, is limited to longitudinal ends. This can also improve a design flexibility in the wiring of the printed circuit board. This also allows a simple customer-side assembly of separable light strips without the split light strips losing their IP protection class. In addition, a dense arrangement of several punched sockets and thus a dense contacting of the circuit board is possible. The fact that can be dispensed with in the production of a mounting of the circuit board with electrical connection elements, also the manufacturing process is easier and cheaper.
- the circuit board is flexible, insbesonde ⁇ re flexible and band-shaped, a simple production and a potted circuit board is possible, since this can be processed virtually endless, for example by means of a reel-to-reel production.
- a flexible molded circuit board does not lose much of its flexibility by inserting the punching bushing.
- the contacting by means of at least one punching bush with other types of electrical connection can be combined.
- the punching bushing can reach up to the wiring or through the wiring and in particular up to a rear side of the lighting device. If the punching bush extends to the rear of the lighting device, it can also be contacted there and also has a higher stability against mechanical stress.
- the punching bush extends to the rear side of the lighting device, it can also be riveted like a punched rivet, so that the front end and the rear end have a lateral edge which prevents the punched bushing or the punched rivet from loosening and thus a mechanically particularly stable one Contacting possible.
- the pierce nut can be generally seen as a hoh ⁇ ler rivet and inscribed.
- the front end of the punching bushing may be configured to sever the potting layer as a sharp edge or cutting contact.
- the pierce nut is located in the cylindrically shaped piece of sealing compound may be separated from the circuit board and are expressge ⁇ taken.
- the then exposed interior can be used for electrical contacting as a contactable by a plug beech and / or, in a running through the light emitting punching bush, as a line feedthrough.
- the circuit board only at its front side (that is, one-sided) has a wiring, wel ⁇ che is covered by the potting layer.
- the printed circuit board can furthermore also have a wiring on its rear side, which, however, is not covered by a potting layer.
- the lighting device further comprises at least one punching sleeve counterpart, hereinafter simply referred to as a punch pin, which extends from the respect of the punching bushing on the other side of the lighting device through the circuit board (including the wiring) through and is in engagement with the punching bushing.
- the punching pin makes contacting more reliable, since detachment of the punched bushing is prevented, in particular under transverse load and tensile stress. Also, by the punch pin wiring, in particular the contact field to be bent upwards, which thus more ge ⁇ gene expresses the pierce nut and / or the punch pin and subs ⁇ Lich allows a firmer bonding.
- the punching bushing and the punching pin are frictionally engaged.
- a particularly firm connection between the punching bush and the punching pin is achieved.
- a positive engagement can be achieved, for example, by the punching pin is wider than an inner diameter of the punching bush and tapers at its engaging in the punching sleeve tip, for example, is configured conical.
- the punch pin can be pressed into the punching bush and held there by a frictional engagement.
- the punch pin is tubular.
- a passage can be achieved by the lighting device, which is suitable for example for a cable ⁇ implementation or contacting by means of a plug.
- the at least one punch bushing taktiert one contact field wiring con ⁇ Through the (area) contact field a suffi ⁇ accordingly large and well-defined contact point of the circuit board can be provided.
- the lighting device has at least on its front side at least one light source, in particular light-emitting diode.
- the remindsei ⁇ te of the board may be provided for their attachment, for example by means of a double-sided adhesive tape.
- the punching bushing and / or the punching pin has a laterally encircling edge at its rear end. By the respective edge a stop is formed for the punching bushing and / or the punching pin, which prevents a volli ⁇ ges immersion in the lighting device.
- the circuit board is designed band-shaped.
- the lighting device can then represent insbesonde ⁇ re an LED light strip.
- an outer side of the punching bush is equipped with at least one barb, which has a tip directed backwards.
- the potting layer may comprise one or more potting materials or potting compounds, in particular a plurality of layers of different adjacent potting compounds, for example an opaque potting compound and a light-permeable potting compound.
- the cast layer can have, in particular silicone as their Grundma ⁇ TERIAL.
- the object is also achieved by a method for contacting a lighting device with a printed circuit board, wherein the printed circuit board on its front side and / or on its back ⁇ side has a wiring and the respective wiring is covered by a potting layer, the method at least the following step Having impressed an electrically conductive punching bushing through the potting layer to a wiring so that the punching bushing contacted the Ver ⁇ wiring, in particular electrically contacted.
- the method min- least additionally comprising the step of: applying a punch ⁇ pin on the back of the circuit board opposite the punch ⁇ socket and the following driving the punching cutter by the conductor ⁇ plate and the wiring until the punch pin with the punching ⁇ bush is engaged.
- the steps of pressing the electrically conductive pierce nut and the driving of the punch pin may ⁇ one after the other or simultaneously.
- the impressing or punching can be carried out by means of a suitable tool, for example a punching tool, riveting tool or setting tool.
- the tool can be a simple pliers.
- Fig.l shows a sectional view in side view of a section of a lighting device according to the invention 1.
- Fig.2 shows the lighting device 1 as a sectional view in front view.
- the lighting device 1 a band-shaped, flexible circuit board 2, the upper ⁇ side or front 3 with arranged in series Leuchtdio ⁇ the 4 is equipped.
- a rear side 5 of the printed circuit board 2 is fastened on a bottom of an elongate, U-shaped profile 6 (see FIG. 2).
- the profile 6 may include silicone as its base material in order to at least partially maintain a flexibility of the lighting device 1 can.
- the profile 6 may in particular consist of an opaque material.
- the LEDs 4 radiate upward from the open side of the profile 6 addition, wherein the profile 6, the printed circuit board 2, 4 projects beyond.
- the electrical Kunststoff ⁇ te 7 may, for example, both sides of a separation point are T at which the light-emitting device 1 and the encapsulated circuit board 2, 4, 8 can be separated and thus nostinkonfek- tionierbar.
- the printed circuit board 2, 4 is cast with a sealing compound layer 8 within the profile 6, which consists of two identical ⁇ other lying Vergusslagen 9, 10th
- the upper side 11 is not covered by the first potting layer 9 and has the light exit region of the light-emitting diode 4.
- the profile 6 and the first Vergusslage 9 protect the circuit board 2, 4 except for the respective upper side 11 of the light emitting diode (s) 4, for example to fulfill an IP class.
- the first Vergusslage 9 is opaque and designed for a uniform color appearance in the same color forms as the profile 6. This can be achieved to an otherwise not ⁇ colored base material, for example, by a set Farbzu ⁇ (colored filler particles, etc.). Thus ded to be ⁇ circuit board 2, 4 4 remains withdrawn from a view from the outside up to the respective upper side 11 of the light emitting diode (s).
- the ERS te Vergusslage 9 may comprise silicone as the base material to provide a good processability with high protection, good aging ⁇ resistance and a flexibility. Also occurs against the material of the profile 6 no mismatch, and it is achieved a very good connection with it.
- a second, now transparent or highly translucent potting compound 10 applied with a high transmissivity, for example made of silicone without Farbzu ⁇ rate.
- the second potting layer 10 advantageously has the same base material as the first potting layer 9.
- a pierce nut 12 For electrical contacting of the circuit board 2, and in particular ⁇ sondere after separation along the separation point T, a pierce nut 12 is used here.
- the punch bushing 12 be ⁇ is made of an electrically conductive material such as metal.
- the punch bushing 12 has a tube-like or sleeve fa ⁇ term basic shape which at its front edge 13 is a cutting edge. At its rear edge 14, the punching bush 12 has a laterally encircling collar 15. The punching bush 12 has been lowered from above with the front edge 13 ahead perpendicular to one of the electrical contacts 7 and has thereby severed the potting layer 8.
- the front edge 13 is now in mechanical and electrical contact with the associated contact 7 and thus has a zy ⁇ linderförmiges piece S separated from the potting layer 8, which is still here in the punch bushing 12.
- the punching bushing 12 locally compresses the potting layer 8 slightly and thus presses it lightly against the punched bushing 12. This avoids a gap between the potting layer 8 and the punched bushing 12, through which moisture or dust could otherwise penetrate.
- An outer side 16 of the punched bushing 12 may be provided with barbs (not shown) in order to prevent the punching bushing 12 from being released from the potting layer 8.
- the punching bush 12 can be connected to the electrical connection of the circuit board 2 and thus to operate the lighting device 1 with an electrical line. This can be done by any suitable method, eg by soldering. Alternatively, after a removal of the cylindrical piece S, a plug can be frictionally inserted into the punching bushing 12 are introduced. Generally, the (cylindrical or otherwise shaped) piece S may remain in the punch bush 12 or the like, whereby a protective function surely remains. Upon removal of the piece S the protective function, and thus an IP can possibly be influenced adversely ⁇ . On the other hand, the hole (blind hole or passage) created by the removal of the piece S can be quickly and cleanly shed by the customer, eg by means of a silicone adhesive.
- a contacting of a contact 7 by the punching bushing 12 can take place alone.
- 4 is from a bottom of the Leuchtvor- direction 1 at one of the punching bush 12 opposite point a punch bushing counter element here in the form of a punch pin 17 in the lighting device. 1 pressed or driven.
- the punching pin 17 may be set to particular gleichzei ⁇ tig reasonable with or after insertion of the punch bushing 12 and are driven.
- the punch pin 17 penetrates the profile 6, the circuit board 2 and the contact 7 and moves at the front end 13 in the punch bushing 12 a. There he ⁇ he finds himself in frictional engagement with the punching bushing 12.
- the punching pin 17 pushes the cylindrical piece S upwards so that it can be easily removed.
- the punching pin 17 can be designed as shown as a full element.
- the punching pin 17 may be formed as a ring-shaped or sleeve-shaped hollow part, so that a continuous through ⁇ leadership results from the top of the lighting device to the underside of the lighting device through the punch bushing 12 and the punching pin 17.
- This implementation can be used, for example, for a cable feedthrough or as a continuous socket for receiving a plug.
- the bushing can be potted again after inserting the plug or at least one cable (so that, for example, the at least one ne cable is mitvergossen), in order to be able to maintain a protective function safely. This also reinforces a fastening ⁇ tion in the implementation.
- the punching pin can be bevelled, for example, conical, for a secure insertion and force- locking connection at least at its tip.
- the punching bushing 12 and the punching pin 17 can be mounted by means of a common tool.
Landscapes
- Engineering & Computer Science (AREA)
- Metallurgy (AREA)
- Manufacturing & Machinery (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Fastening Of Light Sources Or Lamp Holders (AREA)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102009047438A DE102009047438A1 (de) | 2009-12-03 | 2009-12-03 | Leuchtvorrichtung und Verfahren zum Kontaktieren einer Leuchtvorrichtung |
| PCT/EP2010/067626 WO2011067114A1 (de) | 2009-12-03 | 2010-11-17 | Leuchtvorrichtung und verfahren zum kontaktieren einer leuchtvorrichtung |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP2483595A1 true EP2483595A1 (de) | 2012-08-08 |
Family
ID=43588953
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP10785381A Withdrawn EP2483595A1 (de) | 2009-12-03 | 2010-11-17 | Leuchtvorrichtung und verfahren zum kontaktieren einer leuchtvorrichtung |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US20120235206A1 (de) |
| EP (1) | EP2483595A1 (de) |
| CN (1) | CN102713418B (de) |
| DE (1) | DE102009047438A1 (de) |
| WO (1) | WO2011067114A1 (de) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102012202342B4 (de) * | 2012-02-16 | 2017-10-12 | Osram Gmbh | Leuchtvorrichtung mit Leiterplatte und Strukturbauteil |
| WO2017216016A1 (de) * | 2016-06-15 | 2017-12-21 | Aspöck Systems GmbH | Leuchte für fahrzeuge |
| DE102018110752A1 (de) * | 2018-05-04 | 2019-11-07 | Knorr-Bremse Systeme für Nutzfahrzeuge GmbH | Verfahren zum Herstellen eines Anschlusskontaktes |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4833775A (en) * | 1981-10-26 | 1989-05-30 | Burndy Corporation | Electrical connection apparatus for flat conductor cables and similar articles |
| DE10217456A1 (de) * | 2002-04-19 | 2003-11-13 | Audi Ag | Befestigungsmittel |
Family Cites Families (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE975642C (de) * | 1953-03-06 | 1962-03-22 | Blaupunkt Werke Gmbh | Verfahren zur Kontaktierung zweidimensionaler Schaltungen oder Schaltelemente, die auf Traegerplatten oder Traegerfolien aus vorzugsweise thermoplastischen Kunststoffen gedruckt oder kopiert und mit einer elektrisch isolierenden Schicht abgedeckt sind |
| FR2601486B1 (fr) * | 1986-07-11 | 1989-04-14 | Signal Vision Sa | Procede de fabrication d'une plaque eclairante a diodes electroluminescentes et feu de signalisation obtenu par ce procede |
| US5559681A (en) * | 1994-05-13 | 1996-09-24 | Cnc Automation, Inc. | Flexible, self-adhesive, modular lighting system |
| DE10031204A1 (de) * | 2000-06-27 | 2002-01-17 | Infineon Technologies Ag | Systemträger für Halbleiterchips und elektronische Bauteile sowie Herstellungsverfahren für einen Systemträger und für elektronische Bauteile |
| DE10111594A1 (de) * | 2001-03-10 | 2002-09-19 | Karl Jautz Elektro Tech Spezia | Anzeigeleuchtensäule |
| US7181977B2 (en) * | 2002-01-22 | 2007-02-27 | Measurement Specialties, Inc. | Sensor assembly with lead attachment |
| US6914194B2 (en) * | 2003-10-29 | 2005-07-05 | Ben Fan | Flexible LED cable light |
| DE10353849B4 (de) * | 2003-11-18 | 2009-05-07 | Infineon Technologies Ag | Anpresselement zum Anpressen eines zu kühlenden elektrischen Beuteils an ein Kühlelement, System zum Kühlen eines elektrischen Bauteils, und Bauteilanordnung mit einem zu kühlenden elektrischen Bauteil |
| TWI235506B (en) * | 2003-12-02 | 2005-07-01 | Yuan Lin | Light reflection device and its manufacturing method |
| EP1910737A1 (de) * | 2005-07-14 | 2008-04-16 | Tir Systems Ltd. | Stromtafel und einschub-beleuchtungsmodul |
| EP1908339B1 (de) * | 2005-07-28 | 2010-10-06 | Velcro Industries B.V. | Elektrische komponentenmontage |
| JP2007311445A (ja) * | 2006-05-17 | 2007-11-29 | Stanley Electric Co Ltd | 半導体発光装置及びその製造方法 |
| JP2008077902A (ja) * | 2006-09-20 | 2008-04-03 | Toshiba Lighting & Technology Corp | 照明装置 |
| DE102007006882A1 (de) * | 2007-02-07 | 2008-08-21 | Sidler Gmbh & Co. Kg | LED-Lampe für eine Wedgebase-Sockelfassung |
| DE102007043401A1 (de) * | 2007-09-12 | 2009-03-19 | Osram Gesellschaft mit beschränkter Haftung | Leuchtvorrichtung und Verfahren zur Herstellung derselben |
| JP4645635B2 (ja) * | 2007-11-02 | 2011-03-09 | セイコーエプソン株式会社 | 電子部品 |
-
2009
- 2009-12-03 DE DE102009047438A patent/DE102009047438A1/de not_active Ceased
-
2010
- 2010-11-17 EP EP10785381A patent/EP2483595A1/de not_active Withdrawn
- 2010-11-17 CN CN201080054952.1A patent/CN102713418B/zh not_active Expired - Fee Related
- 2010-11-17 US US13/512,888 patent/US20120235206A1/en not_active Abandoned
- 2010-11-17 WO PCT/EP2010/067626 patent/WO2011067114A1/de not_active Ceased
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4833775A (en) * | 1981-10-26 | 1989-05-30 | Burndy Corporation | Electrical connection apparatus for flat conductor cables and similar articles |
| DE10217456A1 (de) * | 2002-04-19 | 2003-11-13 | Audi Ag | Befestigungsmittel |
Non-Patent Citations (1)
| Title |
|---|
| See also references of WO2011067114A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102713418B (zh) | 2015-04-01 |
| US20120235206A1 (en) | 2012-09-20 |
| DE102009047438A1 (de) | 2011-06-09 |
| WO2011067114A1 (de) | 2011-06-09 |
| CN102713418A (zh) | 2012-10-03 |
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Legal Events
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| PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
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| RAP1 | Party data changed (applicant data changed or rights of an application transferred) |
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