WO2022194356A1 - Procédé pour la production d'un capot moulé et capot moulé - Google Patents

Procédé pour la production d'un capot moulé et capot moulé Download PDF

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Publication number
WO2022194356A1
WO2022194356A1 PCT/EP2021/056689 EP2021056689W WO2022194356A1 WO 2022194356 A1 WO2022194356 A1 WO 2022194356A1 EP 2021056689 W EP2021056689 W EP 2021056689W WO 2022194356 A1 WO2022194356 A1 WO 2022194356A1
Authority
WO
WIPO (PCT)
Prior art keywords
transparent element
mold
edge portion
transparent
surrounding edge
Prior art date
Application number
PCT/EP2021/056689
Other languages
English (en)
Inventor
Mohd Razmi OMAR
Mohd Fauzi ZAINORDIN
Ismail ITHNAIN
Rosdi ALANG
Original Assignee
Ams-Osram International Gmbh
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Ams-Osram International Gmbh filed Critical Ams-Osram International Gmbh
Priority to PCT/EP2021/056689 priority Critical patent/WO2022194356A1/fr
Publication of WO2022194356A1 publication Critical patent/WO2022194356A1/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
    • B29C43/02—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles
    • B29C43/18—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles incorporating preformed parts or layers, e.g. compression moulding around inserts or for coating articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C33/00—Moulds or cores; Details thereof or accessories therefor
    • B29C33/0038—Moulds or cores; Details thereof or accessories therefor with sealing means or the like
    • B29C33/0044—Moulds or cores; Details thereof or accessories therefor with sealing means or the like for sealing off parts of inserts projecting into the mould cavity
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
    • B29C45/14336—Coating a portion of the article, e.g. the edge of the article
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
    • B29C45/14336—Coating a portion of the article, e.g. the edge of the article
    • B29C45/14418—Sealing means between mould and article
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D11/00—Producing optical elements, e.g. lenses or prisms
    • B29D11/00009—Production of simple or compound lenses
    • B29D11/00432—Auxiliary operations, e.g. machines for filling the moulds
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D11/00—Producing optical elements, e.g. lenses or prisms
    • B29D11/0074—Production of other optical elements not provided for in B29D11/00009- B29D11/0073
    • B29D11/00807—Producing lenses combined with electronics, e.g. chips
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
    • B29C45/14065—Positioning or centering articles in the mould
    • B29C2045/14155—Positioning or centering articles in the mould using vacuum or suction
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
    • B29C2045/1486—Details, accessories and auxiliary operations
    • B29C2045/14934—Preventing penetration of injected material between insert and adjacent mould wall
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C33/00—Moulds or cores; Details thereof or accessories therefor
    • B29C33/12—Moulds or cores; Details thereof or accessories therefor with incorporated means for positioning inserts, e.g. labels
    • B29C33/14—Moulds or cores; Details thereof or accessories therefor with incorporated means for positioning inserts, e.g. labels against the mould wall
    • B29C33/18—Moulds or cores; Details thereof or accessories therefor with incorporated means for positioning inserts, e.g. labels against the mould wall using vacuum
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2011/00—Optical elements, e.g. lenses, prisms
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2011/00—Optical elements, e.g. lenses, prisms
    • B29L2011/0016—Lenses
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2011/00—Optical elements, e.g. lenses, prisms
    • B29L2011/0066—Optical filters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/34—Electrical apparatus, e.g. sparking plugs or parts thereof
    • B29L2031/3481—Housings or casings incorporating or embedding electric or electronic elements
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B19/00—Condensers, e.g. light collectors or similar non-imaging optics
    • G02B19/0033—Condensers, e.g. light collectors or similar non-imaging optics characterised by the use
    • G02B19/0047—Condensers, e.g. light collectors or similar non-imaging optics characterised by the use for use with a light source
    • G02B19/0052—Condensers, e.g. light collectors or similar non-imaging optics characterised by the use for use with a light source the light source comprising a laser diode

Definitions

  • the present invention refers to a method for producing a molded cap and to a molded cap.
  • Molded caps and particular molded caps with a transparent window are often used as receptacles for optoelectronic components.
  • such transparent windows are not only used for light forming, but also for security purposes, namely to prevent in juries in case a user looks directly into the laser light.
  • such transparent window, or generally the transparent element or more particular the transparent lens must not only be placed securely within the cap. It has also to be ensured that not damage occurs during manufacturing and later use.
  • the lens should be rigidly fixed and not drop or crack during manufacture or later use. To detect such occurrences, usually electronic measures are taken. However, the usual man ufacturing processes either lead to issues with the transparent window being polluted or still include the above-mentioned risks.
  • the inventors realized that one main issues lies in the handling of glue, as it not only may pollute portion of the transparent window to be kept clean, the glue may also lose its adhesion resulting in either cracks or partial drop of the transparent window. This issue may increase due to temperature differences, resulting in different stress on the respective elements.
  • the inventors therefore propose a different manufacturing method, in which a transparent element is embedded within the mold material, thus keeping the transparent element in proper position, while at the same time reducing the likelihood of damages or cracks in the transparent element or preventing it from becoming lose.
  • a method of manufacturing a molded cap comprising a transparent element and a receptacle for an optoelectronic component.
  • a mold bottom base having a protruding pillar with a depositing area is provided.
  • a transparent element is arranged onto the depositing area of the protruding pillar, such that a surrounding edge portion of the transparent element extends beyond the depositing area.
  • a mold top base having a protruding circumferential strip with a sealing surface is then provided. The sealing surface is placed onto the transparent element such the surrounding edge portion of the transparent element remains uncovered by the sealing surface.
  • a mold component is filled into a space between the surrounding edge portion and the protruding pillar and between the surrounding edge portion and the protruding circumferential strip.
  • the filling of the mold material will encapsulate the surrounding edge portion from both sides and hold them rigidly tight, thereby forming the molded cap.
  • the proposed method encapsulates the cap completely from both sides.
  • the present dis closure proposes to process the transparent element when forming the cap. This enables a direct connection between the molded material and the transparent element without additional use of a glue.
  • the transparent element is produced and provided for further processing.
  • the production of the element is done independent from the further processing of the transparent element.
  • the transparent element is gripped and positioned over the protruding pillar.
  • the transparent element is gripped on the edge portion.
  • the transparent element can be sucked on a surface portion, which is subsequently facing the top mold base. After orienting the gripped element properly, it can be released onto the protruding pillar.
  • Such approach also enables re-positioning the transparent element in case it has wrongly or not properly positioned.
  • the transparent element is sucked onto a surface of the protruding pillar.
  • the protruding pillar may include one or more suction holes to suck the transparent ele- ment onto the surface. This will place the transparent element firmly onto the pillar, which is suitable when mold material is later filling the space.
  • more than one pillar can be arranged on which subsequently a plurality of lenses or other transparent elements can be placed upon.
  • the mold material will encapsulate the edge portions of the transparent element.
  • a size of a surface facing the mold top base of the surrounding edge portion encapsulated in mold component is substantially equal to a size of a surface facing the mold bottom base of the surrounding edge portion encapsulated in mold component.
  • the size of the respective are different. Encapsulating the transparent element with different sizes can be beneficial depending on the application.
  • the circumferential side surfaces of the pro truding pillar is inclined towards a virtual center of the pillar.
  • side surfaces of the circumferential protrud- ing strip facing outwards can be inclined towards a virtual center of the circumferential protruding strip.
  • the inclination enables the mold tool to be easier separated and reduce the risk that mold material gets stuck or is ripped apart thereby reduc ing the grip on the transparent element.
  • the transparent element is a transparent window.
  • the trans- parent element may also comprise a light forming element like a lens or a filter.
  • the transparent element can include one or more light-forming, light-directing or light filtering functionality.
  • the transparent ele ment can form a dome shape or include a grooved lense and the like
  • the transparent element may comprise a rectangle or a square, also ellipsoid and other forms may also be possible.
  • the sur rounding portion may follow with its shape the area, which is used for the light, although it may vary therefrom.
  • portions of the transparent element that are intended for light to feed through may comprise a shape that is different from the surrounding edge. This will enable encapsulating the surround ing edge portion in the desired manner improving stability and reducing the risk for cracks or unintended drops.
  • the width of the protruding circumferential strip 2b is ad- justed such that the pressure exerted by the sealing surface onto the transparent element is large enough to prevent leakage.
  • the pressure exerted by the sealing surface onto the transparent element is at least equal to the pressure exerted by the mold material or to the pressure of the mold when filling the space inside the mold tool
  • the mold cap comprises a cavity adapted to receive an optoelectronic component.
  • the cavity also comprises a top surface including an opening therein. In a fully assembled stage, the top surface will cover the optoelectronic component placed inside the cavity.
  • the top surface comprises a non-transparent mold material.
  • a transpar ent element is arranged inside the opening.
  • the transparent element comprises a surrounding edge portion that is encapsu lated within the non-transparent mold material, thus securing the transparent element tightly with the mold material and the molded cap.
  • a top surface of the transparent ele ment is recessed with regard to an edge of the opening.
  • the transparent element may include a light forming element, a lens, a filter or any other light directing element. Further examples for such transparent element are provided in this dis closure.
  • the surrounding edge portions may include different forms to ensure proper grip and encapsulation.
  • the surrounding edge portion of the transparent element comprise the shape of a rectangle and in particular a square.
  • the side edged of the opening, in which the transparent element is embedded is inclined. The edges are in clined in direction to the transparent element towards a center of the opening when viewed in a cut view.
  • Figure 1 shows a perspective view of a molded cap in accordance with some aspects of the present disclosure
  • Figure 2 illustrates a side view of a preparatory step in a molding tool to illustrate some relevant aspects of the present disclosure
  • Figure 3 shows a top view on a portion of a molded cap to further illustrate some aspects of the present disclosure
  • Figure 4 shows various method steps of a method for producing a molded cap in accordance with some aspects of the present invention.
  • Figure 1 illustrates an embodiment of the molded cap 1 in ac cordance with several aspects of the present disclosure.
  • the molded cap 1 includes a cavity 12, which is formed as a recep tacle for an optoelectronic component to be placed within cavity 12.
  • An opening 11 is arranged on the cover of cavity 12 (which in view of figure 1 is the top of cavity 12), in which a transparent element 2 in form of a lens is embedded into.
  • the transparent element 2 may be referred to herein as lens 2.
  • transparent element 2 can form any kind of light-directing, light-forming and light-filtering element.
  • lens 2 as the transparent element is therefore considered as a non limiting example.
  • Lens 2 comprises a rectangular shape and is arranged substantial centrally over opening 11. Opening 11 and lens 2 together form a recess with side surfaces 13, the side surfaces 13 being part of the cover of molded cap 1. In this example side surface 13 is inclined towards the center of open ing 11, when looked from the top view onto cap 1.
  • lens 2 is embedded within the mold material of cap 1. Hence, certain areas of lens 2, further referred to as edge portion of lens 2 or edge portions of transparent element 2, are encapsulated by the mold material from both sides. As a result, lens 2 is tightly fixated within the mold material and thus forms an integrated part of the molded cap 1.
  • Figure 2 shows a cut view of the molding tool, including the transparent element or lens 2 ready to be embedded within mold material during manufacture of the molded cap.
  • Figure 2 shows a step within the method for producing a molded cap in accord ance with some aspects of the present disclosure.
  • the molding tool comprises a mold bottom base 20 and a mold top base 21.
  • the mold bottom base 20 includes a flat portion as well as a protruding pillar 24.
  • a depositing flat area 23 is arranged on its top surface. Throughout the depositing flat area 23, a plurality of suction holes 22 are included within pillar 24.
  • the suction holes create a pressure difference towards the transparent element 2 being placed on the depositing carrier, thus sucking the transparent element towards the depositing area and holding it tight.
  • the protruding pillar 24 further comprises an inclined side edge 25, wherein the inclination is directed towards the center of the pillar when viewed in a cut view from the bottom part towards the depositing area 23.
  • the inclined side edge 25 of pillar 22 will enable an easier separation of the mold bottom base 20 after the mold material is filled in within the space 31 and 30 and subsequently cooled down.
  • Mold top base 21 includes a circumferential strip 26 encompass ing an empty space 27 in between.
  • the circumferential strip 26 generally follows the shape of the transparent element and sur rounds a transmission portion 2c on the top lens surface 2b.
  • the circumferential strip 26 includes, -similar to pillar struc ture 24 of mold bottom base 20-, an inclined outer edge surface 29.
  • the inclined outer edge surface 29 is facing the space 30 between the lens surface 2b and the mold top base 21. Similar to the inclined surface 25, the inclination of inclined edge surface 29 is directed towards the virtual center of the cir cumferential strip 26. After the molding is complete, the mold bottom base as well as the mold top base can be easily separated due to the respective inclined surfaces.
  • Circumferential strip 26 comprises a sealing surface 26a facing the top lens surface 2b.
  • Said sealing surface 26a comprises a clamping boundary 32, said clamping boundary formed by the edge of the inclined surface 29 being in contact with top lens sur face 2b.
  • the transparent element or lens 2 comprises a surrounding edge portion 40 extending beyond the pillar structure 24 or the circumferential strip 26.
  • a portion of the top lens surface 2b and the bottom lens surface 2a extends beyond the sealing surface 26a and the depositing area 23, respectively.
  • a space 31 is formed between the mold bottom base 20 and the surrounding edge portion 40 extending beyond the protruding pillar 24.
  • a small space 30 is formed between the surrounding edge portion 40 and the mold top base structure 21.
  • the mold bottom base portion 20 is provided.
  • the trans parent element 2 is positioned over and then placed on the depositing area 23.
  • the suction holes 22 are sucked out. This will create a negative pressure holding transparent element to place.
  • mold top base 22 is positioned above the trans parent element 2 and lowered onto element 2 until sealing sur- face 26a of the circumferential strip 26 touches of the top lens surface 2b.
  • mold top base 21 exerts the pressure onto the transparent element.
  • mold top base 21 exerts the pressure onto the transparent element.
  • Transparent element 2 comprises an outer edge portion 40 of a rectangular shape and surrounding the transmis sion portion 2c. Between transmission portion 2c and outer edge portion 40, circumferential area 2d including portion 28 and 2e is arranged. Areas 28 and 2e are covered by the sealing surface 26a of the mold top base 21. The clamping boundary 33 indicates the outer edge of the sealing surface 26a.
  • portions of the mold material can be pressed between the sealing surface 26a and the top surface of lens. Therefore, the lateral dimensions of the sealing surface 26a and the pressure exerted during the mold process is chosen to ensure a tight seal between the outer space 30 and the inner space 27.it is noted that a larger pressure can result in a smaller sealing surface and vice versa. However, the pressure shall not be too high to avoid cracking or damaging the transparent element. Hence, it may be suitable to increase the sealing surface 26a, covering a larger area on the top lens surface.
  • a sacrificial area 28 referred to as flash area 28 is provided on the sealing surface 26, in which portions of the mold material can flow or be pressed into. Mold material will form residuals on this area of the top lens surface.
  • the lateral dimension of the sealing surface 26a is large enough that no further mold material is pushed onto area 2e adjacent to the transmission portion 2c.
  • area 2e is supposed to be clean and free of any mold material.
  • the covered lens surface 2d shall be selected such that mold material cannot be pressed inside space 27 and onto transmission portion 2c.
  • Figure 4 illustrates the 5 main steps of the proposed method for producing a molded cap.
  • a molded cap comprises a transparent element and a receptacle or cavity for an optoelectronic com- ponent.
  • a mold bottom base having a protruding pillar with depositing area is provided in step SI.
  • the protruding pillar may include a plurality of suction holes to create a negative pressure, holding a transparent element to be arranged upon the protruding pillar in place.
  • a transparent element 2 is positioned and arranged on the depositing area 23 of the protruding pillar 24.
  • the position is adjusted such that surrounding edge portion 40 of the transparent element 2 extends beyond the depositing area 23 of the protruding pillar 24.
  • the transparent element 2 is larger than the depositing area 23 of the protrud ing pillar.
  • the transparent element 2 is cen tered such that it virtual center lies directly above the vir tual center of the protruding pillar 24.
  • the transparent element 2 is previously manufactured in one or several steps. It may be gripped, particularly along its edge portion or on its surface subsequently facing the top mold base. In the latter case, the transparent element may be sucked onto a gripper for a subse quent transfer. The so gripped or clamped transparent element is oriented over the protruding pillar and then released on the depositing area of the protruding pillar. In a next step, the transparent element may be sucked onto the depositing area hold- ing the transparent element in place.
  • a mold top base 21 having a protruding circumferential strip 26 with the sealing surface 26a.
  • the circumferential strip 26 circumferences an area, which corresponds to or at least later encloses the transmission por tion of the transparent element.
  • the sealing surface 26a is placed onto the trans parent element such that surrounding edge portion of the trans parent element remains uncovered by the sealing surface. As a result, the surrounding edge portion of the transparent element protrude from the mold top base and mold bottom base into the empty space provided by the arrangement of the mold top base 21 and the mold bottom base facing each other.
  • the mold top base After correct positioning of the mold top base, the mold top base will exert a certain pressure on to the sealing surface thereby tightly sealing the surface of the transparent element and separating the space within the circumferential strip from the outer space. This will ensure that the mold material being filled in a subsequent step within the space formed by the mold top base and the mold bottom base does not flow into the space created by the circumferential strip and onto the transmission portion of the transparent element.
  • a mold component is filled into the space between the surrounding edge portion and the protruding pillar and between the surrounding edge portion and the protruding circumferential strip.
  • the mold material encapsulates the sur rounding edge portion of the transparent element, embedding the transparent element partially within the mold material.
  • the mold top base can be separated from the newly molded cap the mold top base is lifted away from the mold bottom base.
  • the present method disclosed herein is focused on the manufac- turing of a single molded cap.
  • the method is not re stricted or limited to such individual mold process. Rather, the proposed method can be multiplied such that a mass transfer of transparent elements onto a plurality of pillars can be performed.
  • a mold top base having a plurality of circumferential strips each with a sealing surface as disclosed herein can then be placed over the plurality of lenses resting on the respective depositing areas.
  • the method will therefore allow for a mass production, wherein the transparent elements in form of lenses or other light directing, light-forming or light-filtering elements are embed ded in the mold material of the molded cap.
  • these caps can be separated by mechanical means if nec- essary.
  • the transparent element being embedded within the mold material of the molded cap ensures a tight and safe arrangement with improved tolerances in comparison to conventional lens attach process.
  • the risk for lens dropping is virtually avoided since the lens is now embedded within the mold material.
  • the previ ously necessary attachment process, including gluing the lens onto the material is avoided, thereby eliminating potential issues with lens cracking during the gluing process. As a re- suit, safety for a user is improved and the subsequent pro cessing simplified.
  • lens 2a bottom lens surface 2b top lens surface 2c transmission portion 2d covered lens surface 2e area 11 cap opening 12 cap cavity 13 side edges 20 mold bottom base 21 mold top base 22 suction holes

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Health & Medical Sciences (AREA)
  • Ophthalmology & Optometry (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)

Abstract

L'invention concerne un procédé de production d'un capot moulé comprenant un élément transparent et un réceptacle pour un composant optoélectronique, le procédé comprenant l'étape consistant à se procurer une base inférieure de moule ayant un pilier en saillie avec une zone de dépôt. Un élément transparent est disposé sur la zone de dépôt dudit pilier, de telle sorte qu'une partie de bord environnante de l'élément transparent s'étende au-delà de la zone de dépôt. Ensuite, une base supérieure de moule est fournie ayant une bande périphérique en saillie avec une surface d'étanchéité qui est placée sur l'élément transparent de telle sorte que la partie de bord environnante reste découverte. Enfin, un composant à mouler est introduit dans un espace entre la partie de bord périphérique et le pilier en saillie et entre la partie de bord environnante et la bande périphérique en saillie, ce qui permet d'encapsuler la partie de bord environnante avec le composant à mouler et de former le capot moulé.
PCT/EP2021/056689 2021-03-16 2021-03-16 Procédé pour la production d'un capot moulé et capot moulé WO2022194356A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/EP2021/056689 WO2022194356A1 (fr) 2021-03-16 2021-03-16 Procédé pour la production d'un capot moulé et capot moulé

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP2021/056689 WO2022194356A1 (fr) 2021-03-16 2021-03-16 Procédé pour la production d'un capot moulé et capot moulé

Publications (1)

Publication Number Publication Date
WO2022194356A1 true WO2022194356A1 (fr) 2022-09-22

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3247550A (en) * 1962-04-18 1966-04-26 Jr Raymond Haines Apparatus for molding composite plastic products
EP1070575A1 (fr) * 1999-07-23 2001-01-24 Gemtron Corporation Procédé de fabrication d'une couverture scellée d'un instrument comprenant de doubles lentilles encapsulées
JPWO2013047682A1 (ja) * 2011-09-30 2015-03-26 コニカミノルタ株式会社 撮像レンズユニットの製造方法及び撮像レンズユニット
US20160219203A1 (en) * 2015-01-26 2016-07-28 Omnivision Technologies, Inc. Wafer-Level Methods For Packing Camera Modules, And Associated Camera Modules

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3247550A (en) * 1962-04-18 1966-04-26 Jr Raymond Haines Apparatus for molding composite plastic products
EP1070575A1 (fr) * 1999-07-23 2001-01-24 Gemtron Corporation Procédé de fabrication d'une couverture scellée d'un instrument comprenant de doubles lentilles encapsulées
JPWO2013047682A1 (ja) * 2011-09-30 2015-03-26 コニカミノルタ株式会社 撮像レンズユニットの製造方法及び撮像レンズユニット
US20160219203A1 (en) * 2015-01-26 2016-07-28 Omnivision Technologies, Inc. Wafer-Level Methods For Packing Camera Modules, And Associated Camera Modules

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