WO2020204473A1 - 반도체용 패키징 유리기판, 반도체용 패키징 기판 및 반도체 장치 - Google Patents
반도체용 패키징 유리기판, 반도체용 패키징 기판 및 반도체 장치 Download PDFInfo
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- H—ELECTRICITY
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- H01L23/00—Details of semiconductor or other solid state devices
- H01L23/48—Arrangements for conducting electric current to or from the solid state body in operation, e.g. leads, terminal arrangements ; Selection of materials therefor
- H01L23/488—Arrangements for conducting electric current to or from the solid state body in operation, e.g. leads, terminal arrangements ; Selection of materials therefor consisting of soldered or bonded constructions
- H01L23/498—Leads, i.e. metallisations or lead-frames on insulating substrates, e.g. chip carriers
- H01L23/49827—Via connections through the substrates, e.g. pins going through the substrate, coaxial cables
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/04—Manufacture or treatment of semiconductor devices or of parts thereof the devices having at least one potential-jump barrier or surface barrier, e.g. PN junction, depletion layer or carrier concentration layer
- H01L21/48—Manufacture or treatment of parts, e.g. containers, prior to assembly of the devices, using processes not provided for in a single one of the subgroups H01L21/06 - H01L21/326
- H01L21/4814—Conductive parts
- H01L21/4846—Leads on or in insulating or insulated substrates, e.g. metallisation
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- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/04—Manufacture or treatment of semiconductor devices or of parts thereof the devices having at least one potential-jump barrier or surface barrier, e.g. PN junction, depletion layer or carrier concentration layer
- H01L21/48—Manufacture or treatment of parts, e.g. containers, prior to assembly of the devices, using processes not provided for in a single one of the subgroups H01L21/06 - H01L21/326
- H01L21/4814—Conductive parts
- H01L21/4846—Leads on or in insulating or insulated substrates, e.g. metallisation
- H01L21/486—Via connections through the substrate with or without pins
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L23/00—Details of semiconductor or other solid state devices
- H01L23/12—Mountings, e.g. non-detachable insulating substrates
- H01L23/13—Mountings, e.g. non-detachable insulating substrates characterised by the shape
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L23/00—Details of semiconductor or other solid state devices
- H01L23/12—Mountings, e.g. non-detachable insulating substrates
- H01L23/14—Mountings, e.g. non-detachable insulating substrates characterised by the material or its electrical properties
- H01L23/15—Ceramic or glass substrates
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L23/00—Details of semiconductor or other solid state devices
- H01L23/48—Arrangements for conducting electric current to or from the solid state body in operation, e.g. leads, terminal arrangements ; Selection of materials therefor
- H01L23/488—Arrangements for conducting electric current to or from the solid state body in operation, e.g. leads, terminal arrangements ; Selection of materials therefor consisting of soldered or bonded constructions
- H01L23/498—Leads, i.e. metallisations or lead-frames on insulating substrates, e.g. chip carriers
- H01L23/49833—Leads, i.e. metallisations or lead-frames on insulating substrates, e.g. chip carriers the chip support structure consisting of a plurality of insulating substrates
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- H—ELECTRICITY
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- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L23/00—Details of semiconductor or other solid state devices
- H01L23/48—Arrangements for conducting electric current to or from the solid state body in operation, e.g. leads, terminal arrangements ; Selection of materials therefor
- H01L23/488—Arrangements for conducting electric current to or from the solid state body in operation, e.g. leads, terminal arrangements ; Selection of materials therefor consisting of soldered or bonded constructions
- H01L23/498—Leads, i.e. metallisations or lead-frames on insulating substrates, e.g. chip carriers
- H01L23/49838—Geometry or layout
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- H—ELECTRICITY
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- H01L23/48—Arrangements for conducting electric current to or from the solid state body in operation, e.g. leads, terminal arrangements ; Selection of materials therefor
- H01L23/50—Arrangements for conducting electric current to or from the solid state body in operation, e.g. leads, terminal arrangements ; Selection of materials therefor for integrated circuit devices, e.g. power bus, number of leads
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- H01L2224/00—Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
- H01L2224/01—Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
- H01L2224/10—Bump connectors; Manufacturing methods related thereto
- H01L2224/15—Structure, shape, material or disposition of the bump connectors after the connecting process
- H01L2224/16—Structure, shape, material or disposition of the bump connectors after the connecting process of an individual bump connector
- H01L2224/161—Disposition
- H01L2224/16135—Disposition the bump connector connecting between different semiconductor or solid-state bodies, i.e. chip-to-chip
- H01L2224/16145—Disposition the bump connector connecting between different semiconductor or solid-state bodies, i.e. chip-to-chip the bodies being stacked
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- H—ELECTRICITY
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- H01L2224/00—Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
- H01L2224/01—Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
- H01L2224/10—Bump connectors; Manufacturing methods related thereto
- H01L2224/15—Structure, shape, material or disposition of the bump connectors after the connecting process
- H01L2224/16—Structure, shape, material or disposition of the bump connectors after the connecting process of an individual bump connector
- H01L2224/161—Disposition
- H01L2224/16151—Disposition the bump connector connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive
- H01L2224/16221—Disposition the bump connector connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive the body and the item being stacked
- H01L2224/16225—Disposition the bump connector connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive the body and the item being stacked the item being non-metallic, e.g. insulating substrate with or without metallisation
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- H—ELECTRICITY
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- H01L23/00—Details of semiconductor or other solid state devices
- H01L23/48—Arrangements for conducting electric current to or from the solid state body in operation, e.g. leads, terminal arrangements ; Selection of materials therefor
- H01L23/488—Arrangements for conducting electric current to or from the solid state body in operation, e.g. leads, terminal arrangements ; Selection of materials therefor consisting of soldered or bonded constructions
- H01L23/498—Leads, i.e. metallisations or lead-frames on insulating substrates, e.g. chip carriers
- H01L23/49811—Additional leads joined to the metallisation on the insulating substrate, e.g. pins, bumps, wires, flat leads
- H01L23/49816—Spherical bumps on the substrate for external connection, e.g. ball grid arrays [BGA]
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- H01L25/00—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof
- H01L25/03—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof all the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. assemblies of rectifier diodes
- H01L25/04—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof all the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. assemblies of rectifier diodes the devices not having separate containers
- H01L25/065—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof all the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. assemblies of rectifier diodes the devices not having separate containers the devices being of a type provided for in group H01L27/00
- H01L25/0652—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof all the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. assemblies of rectifier diodes the devices not having separate containers the devices being of a type provided for in group H01L27/00 the devices being arranged next and on each other, i.e. mixed assemblies
Definitions
- the embodiment relates to a packaging glass substrate for a semiconductor, a packaging substrate for a semiconductor, and a semiconductor device.
- FE Front-End
- BE Back-End
- the four core technologies of the semiconductor industry that have enabled the rapid development of recent electronic products are semiconductor technology, semiconductor packaging technology, manufacturing process technology, and software technology.
- Semiconductor technology is developing in various forms, such as a line width of sub-micron nano units, more than 10 million cells, high-speed operation, and dissipation of a lot of heat, but relatively completely packaging technology is not supported. Accordingly, the electrical performance of the semiconductor is sometimes determined by the packaging technology and the electrical connection accordingly rather than the performance of the semiconductor technology itself.
- Ceramic or resin is used as a material for the packaging substrate.
- a ceramic substrate it is difficult to mount a high-performance, high-frequency semiconductor device due to its high resistance value or high dielectric constant.
- a resin substrate it is possible to mount a relatively high-performance, high-frequency semiconductor element, but there is a limit to reducing the pitch of wiring.
- An object of the embodiment is to provide a packaging glass substrate for semiconductors, a packaging substrate for semiconductors, a semiconductor device, etc. that can manufacture a more integrated semiconductor device by applying a stress-controlled glass substrate.
- a glass substrate for semiconductor packaging includes: a glass substrate having first and second surfaces facing each other; And a plurality of core vias penetrating the glass substrate in the thickness direction.
- the plain line is a straight line connecting a portion where the core via is not formed on the first surface of the glass substrate.
- a via line is a straight line connecting a portion where the core via is formed on the first surface of the glass substrate.
- the stress difference value (P) is a value according to Equation (1) below.
- Vp is the difference between the maximum and minimum values of the stress measured at the via line
- Np is the difference between the maximum and minimum values of the stress measured in the plain line.
- the stress difference (P) of the semiconductor packaging glass substrate is 1.5 MPa or less.
- the Vp value may be 2.5 MPa or less.
- the Np value may be 1.0 MPa or less.
- 100 to 3000 core vias may be located based on the unit area (1 cm x 1 cm) of the glass substrate.
- the stress difference ratio (K) is a value according to Equation (2) below.
- K is the stress difference ratio measured on the same surface of the same glass substrate
- the Lp is the difference between the maximum and minimum values of the stress measured for the target line
- La is an average value of the stress measured in the target line.
- the stress difference ratio (K) may be 6 or less.
- the target line is a plain line, and a stress difference ratio (K) of the semiconductor packaging glass substrate may be 2 or less.
- the target line is a via line, and a stress difference ratio (K) of the semiconductor packaging glass substrate may be 6 or less.
- 100 to 3000 core vias may be located based on the unit area (1 cm x 1 cm) of the glass substrate.
- the semiconductor packaging substrate includes the glass substrate for semiconductor capping described above, further includes a core layer positioned on the surface of the core via, and the core layer is electrically And a core seed layer serving as a seed for forming a conductive layer or a core distribution layer serving as an electrically conductive layer.
- a semiconductor device includes a semiconductor device unit including at least one semiconductor device; A packaging substrate electrically connected to the semiconductor device unit; And a motherboard electrically connected to the packaging substrate, transmitting an external electrical signal to the semiconductor device, and connecting to each other, wherein the packaging substrate is the packaging substrate described above.
- the semiconductor packaging glass substrate, the semiconductor packaging substrate, and the semiconductor device of the embodiment can significantly improve electrical characteristics such as signal transmission speed by connecting the semiconductor element and the motherboard closer to each other so that the electrical signal is transmitted at the shortest distance possible.
- the glass substrate applied as the core of the substrate is itself an insulator, there is almost no fear of occurrence of parasitic elements compared to the conventional silicon core, so that the insulating film treatment process can be more simplified and can be applied to high-speed circuits.
- the glass substrate with controlled stress since the glass substrate with controlled stress is applied, excellent mechanical properties may be obtained despite the formation of the core via.
- FIG. 1 is a conceptual diagram illustrating a top view (a) of a glass substrate having a core via applied in an embodiment of the present invention and a cross section of a core via.
- FIG. 2 is a conceptual diagram illustrating a method of measuring stress in the present invention, (a) shows a stress measurement path of a via line, and (b) shows a stress measurement path of a plain line.
- FIG. 3 is a conceptual diagram illustrating a cross section of a semiconductor device according to an embodiment of the present invention.
- FIG. 4 is a conceptual diagram illustrating a cross section of a packaging substrate according to another embodiment of the present invention.
- FIG. 5 and 6 are detailed conceptual diagrams each illustrating a part of a cross-section of the packaging substrate according to an embodiment of the present invention (circles show a state observed from the top or bottom).
- FIG. 7 to 9 are flow charts illustrating a manufacturing process of a packaging substrate according to the embodiment in cross section.
- the term "combination of these" included in the expression of the Makushi form means one or more mixtures or combinations selected from the group consisting of the constituent elements described in the expression of the Makushi form, and the constituent elements It means to include one or more selected from the group consisting of.
- the “ ⁇ ” system may mean including a compound corresponding to “ ⁇ ” or a derivative of “ ⁇ ” in the compound.
- B is located on A means that B is located directly on A or B is located on A while another layer is located between them, and B is located so as to contact the surface of A. It is limited to that and is not interpreted.
- the inventors recognized that in the process of developing a semiconductor device that is more integrated and capable of exhibiting high performance with a thinner thickness, not only the device itself but also the packaging part is an important factor in improving performance.
- the inventors applied two or more layers of the core as a packaging substrate on the motherboard, and applied the glass core as a single layer and formed the shape of the through via therein. It was confirmed that the packaging substrate can be made thinner and conducive to the improvement of the electrical characteristics of the semiconductor device by applying a method of controlling the electrical conductive layer, etc.
- a substrate for packaging to which the glass substrate in which the stress concentration is controlled is applied.
- FIG. 1 is a conceptual diagram illustrating a top view (a) of a glass substrate having a core via applied in an embodiment and a cross section of a core via.
- FIG. 2 is a conceptual diagram illustrating a method of measuring stress, in which (a) is a diagram showing a stress measurement path of a via line, and (b) is a diagram showing a stress measurement path of a plain line.
- 3 is a conceptual diagram illustrating a cross section of a semiconductor device according to an exemplary embodiment.
- 4 is a conceptual diagram illustrating a cross-section of a packaging substrate according to another embodiment
- FIGS. 5 and 6 are detailed conceptual diagrams illustrating a part of the cross-section of the packaging substrate according to an embodiment (circles are observed from the top or bottom surface Represents).
- a semiconductor packaging substrate will be described with reference to FIGS. 1 and 2
- a packaging substrate and a semiconductor device will be described in more detail with reference to FIGS. 3 to 6.
- the semiconductor packaging substrate 215 includes a glass substrate 21, a core via 23, and a core layer 22.
- the glass substrate 21 has a first surface 213 and a second surface 214 facing each other.
- the core via 23 penetrates the glass substrate in the thickness direction, and a plurality of core vias are disposed on the glass substrate.
- a core seed layer 225 or a core distribution pattern 241 is positioned on the core layer 22.
- the core seed layer 225 is positioned on the surface of the core via and serves as a seed for forming an electrically conductive layer.
- the core distribution pattern 241 is an electrically conductive layer positioned on the surface of the core via.
- the glass substrate 21 is preferably a glass substrate applied to a semiconductor.
- a borosilicate glass substrate, an alkali-free glass substrate, etc. may be applied, but the present invention is not limited thereto.
- the glass substrate 21 may have a thickness of 1,000 um or less.
- the glass substrate 21 may have a thickness of 100 to 1,000 um, and may be 100 to 700 um.
- the glass substrate 21 may have a thickness of 100 to 500 um.
- Forming a thinner packaging substrate is advantageous in that the electrical signal transmission can be more efficient.
- the glass substrate should also serve as a support for supporting the semiconductor devices to be disposed, it is preferable to have the above thickness.
- the thickness of the glass substrate refers to the thickness of the glass substrate itself excluding the thickness of the electrically conductive layer on the glass substrate.
- the core via 23 may be formed by removing a predetermined region of the glass substrate 21, and specifically, may be prepared by etching plate-shaped glass by physical and/or chemical methods.
- a method of chemically etching after forming a defect (fault) on the surface of a glass substrate by a method such as a laser, or a laser etching method may be applied, but is not limited thereto.
- the stress of the glass substrate 21 may be measured in the plain line and the via line.
- the plain line is a straight line connecting the portion on the first surface 213 where the core via 23 is not formed.
- the via line is a straight line connecting the portion on the first surface 213 where the core via 23 is formed.
- the stress difference value (P) is represented by the following equation (1).
- the glass substrate 21 may have a stress difference value P of 1.5 MPa or less.
- Equation (1) P Vp-Np
- Vp is the difference between the maximum and minimum values of the stress measured at the via line
- Np is the difference between the maximum and minimum values of the stress measured at the plain line.
- the P value of the glass substrate may be 1.35 MPa or less.
- the P value of the glass substrate may be 1.2 MPa or less and 1.1 MPa or less.
- the P value of the glass substrate may be 0.01 MPa or more.
- the P value of the glass substrate may be 0.1 MPa or more.
- the glass substrate having the stress difference value (P) is applied as a semiconductor packaging substrate, it is possible to manufacture a packaging substrate having more stable mechanical properties.
- the Vp value of the glass substrate may be 2.5 MPa or less.
- the Vp value of the glass substrate may be 2.3 MPa or less, and the Vp value may be 2.0 MPa or less.
- the Vp value of the glass substrate may be 1.8 MPa or less.
- the Vp value of the glass substrate may be 0.2 MPa or more.
- the Vp value of the glass substrate may be 0.4 MPa or more.
- the Np value of the glass substrate may be 1.0 MPa or less.
- the Np value of the glass substrate may be 0.9 MPa or less, and may be 0.8 MPa or less.
- the Np value of the glass substrate may be 0.1 MPa or more.
- the Np value of the glass substrate may be 0.2 MPa or more.
- the stress difference ratio (K) is expressed by the following equation (2).
- the target line may be any one selected from a plain line, which is a straight line connecting a portion where a core via is not formed, or a via line, which is a straight line connecting a portion where a core via is formed.
- the stress difference ratio (K) of the glass substrate may be 6 or less.
- Equation (2) K is the stress difference ratio measured on the same surface of the same glass substrate, Lp is the difference between the maximum value and the minimum value of the stress measured at the target line, and La is It is the average value of the stress.
- the K value of the glass substrate may be 5 or less.
- the K value of the glass substrate may be 4.5 or less, and may be 4 or less.
- the glass substrate having the K value is applied as a semiconductor packaging substrate, it is possible to manufacture a packaging substrate having more stable mechanical properties.
- the stress difference ratio measured in the plain line is expressed as Kn.
- the stress difference ratio (Kn) in the plain line may be 2 or less.
- the stress difference ratio Kn in the plain line may be 1.8 or less.
- the stress difference ratio (Kn) in the plain line may be greater than 0.3.
- the stress difference ratio (Kn) in the plain line may be greater than 0.5.
- the stress difference ratio measured at the via line is expressed as Kv.
- the stress difference ratio (Kv) in the via line may be 6 or less.
- the stress difference ratio (Kv) of the via line may be 5 or less.
- the stress difference ratio (Kv) of the via line may be 4.5 or less, and may be 3 or less.
- the stress difference ratio (Kv) of the via line may be 0.5 or more.
- the stress difference ratio (Kv) in the via line may be 1.0 or higher and 1.5 or higher.
- the stress is analyzed by applying a birefringence two-dimensional evaluation device.
- the apparatus for evaluating a two-dimensional distribution of birefringence may be a WPA-200 apparatus of NPM (Nippon Pulse Korea Co., Ltd.).
- a measurement value such as a birefringence index value is input to the device, and the stress in the measurement path is measured in a pressure unit (eg , MPa).
- a pressure unit eg , MPa
- 100 to 3000 core vias 23 may be located, 100 to 2500 may be located, and 225 to 1024 Dogs can be located.
- this pitch condition is satisfied, it is more advantageous to form an electrically conductive layer, and the performance of the packaging substrate can be improved.
- the core via 23 may be positioned on the glass substrate 21 at a pitch of 1.2 mm or less, may be positioned at a pitch of 0.12 mm to 1.2 mm, and may be positioned at a pitch of 0.3 mm to 0.9 mm. . In this case, it is advantageous to form an electrically conductive layer or the like while maintaining the mechanical properties of the glass substrate above a certain level.
- the core via 23 includes a first opening 233 in contact with the first surface; A second opening 234 in contact with the second surface; And a minimum inner diameter portion 235, which is a region having the narrowest inner diameter of the entire core via connecting the first opening and the second opening.
- the diameter of the first opening (CV1) and the diameter of the second opening (CV2) may be substantially different.
- the first opening portion CV1 and the second opening portion CV2 may have substantially the same diameter.
- One of the inner diameter surfaces connecting the first surface opening and the second surface opening of the core via 22 may have an inner diameter smaller than that of the other, and this is referred to as a minimum inner diameter.
- the minimum inner diameter portion may be located in the first opening or the second opening, and in this case, the core via may be a cylindrical or (cropped) triangular pyramid shaped core via.
- the diameter CV3 of the minimum inner diameter corresponds to a diameter of the smaller one of the first opening and the second opening.
- the minimum inner diameter portion is located between the first opening and the second opening, and in this case, the core via may be a barrel-shaped core via.
- the diameter of the minimum inner diameter (CV3) may be smaller than a larger one of the diameter of the first opening and the diameter of the second opening.
- the first surface opening diameter and the second surface opening diameter may be relatively constant throughout the glass substrate 21, respectively.
- the core via may have a relatively constant inner diameter (minimum inner diameter) in the narrowest portion of the glass substrate 21 as a whole.
- the minimum inner diameter may have an average diameter of 50 ⁇ m to 95 ⁇ m.
- the minimum inner diameter may satisfy the condition of Equation (3) below.
- Equation (3) 0.83 ⁇ D 90 ⁇ D 50 ⁇ 1.25 ⁇ D 10
- D 50 is a value corresponding to 50% of the diameter distribution of the minimum inner diameter
- D 90 is a value corresponding to 90% of the diameter distribution of the minimum inner diameter
- D 10 is a value corresponding to the diameter distribution of the minimum inner diameter. It is a value corresponding to 10%.
- the minimum inner diameter may have an average diameter of 55 ⁇ m to 85 ⁇ m, and may be 60 ⁇ m to 70 ⁇ m.
- the minimum inner diameter may be one that satisfies the condition of Equation (3-1) below.
- Equation (3-1) 0.88 ⁇ D 90 ⁇ D 50 ⁇ 1.18 ⁇ D 10
- D 50 is a value corresponding to 50% of the diameter distribution of the minimum inner diameter
- D 90 is a value corresponding to 90% of the diameter distribution of the minimum inner diameter
- D 10 is the diameter of the minimum inner diameter. It is a value corresponding to 10% of the distribution.
- the target opening which is the larger of the first surface opening diameter and the second surface opening diameter, may have an average diameter of 70 ⁇ m to 120 ⁇ m.
- the target opening which is the larger of the first surface opening diameter and the second surface opening diameter, may satisfy the condition of Equation (4) below.
- Equation (4) 0.9 ⁇ D 90 ⁇ D 50 ⁇ 1.1 ⁇ D 10
- D 50 is a value corresponding to 50% of the diameter distribution of the target opening
- D 90 is a value corresponding to 90% of the diameter distribution of the target opening
- D 10 is the diameter distribution of the target opening. It is a value corresponding to 10%.
- the target opening which is the larger of the first surface opening diameter and the second surface opening diameter, may have an average diameter of 80 ⁇ m to 105 ⁇ m.
- the target opening which is the larger of the first surface opening diameter and the second surface opening diameter, may satisfy the condition of Equation (4-1) below.
- Equation (4-1) 0.92 ⁇ D 90 ⁇ D 50 ⁇ 1.08 ⁇ D 10
- D 50 is a value corresponding to 50% of the diameter distribution of the target opening
- D 90 is a value corresponding to 90% of the diameter distribution of the target opening
- D 10 is the diameter of the target opening. It is a value corresponding to 10% of the distribution.
- the core via is the larger of the first surface opening diameter, which is a diameter at the opening in contact with the first surface, and the second surface opening diameter, which is the diameter at the opening in contact with the second surface, and the average diameter of the target opening is the target opening. It can have a value greater than D 50, a value corresponding to 50% of the diameter distribution of.
- the diameter distribution described above was measured by dividing the prepared sample into 9 compartments (3 X 3), taking samples of 5 areas: upper left, lower left, center, upper right, and lower right, and cut them and observed with a microscope in a cross section. It evaluated based on the diameter.
- the point where the minimum inner diameter is located is viewed as 100% of the entire length of the core via (G21), it may be located at 40% to 60% point (G23) based on the first opening, and 45% to 55% Can be located on the branch. In this way, when the minimum inner diameter portion is present in the position described above based on the entire length of the core via, the process of designing the electroconductive layer of the packaging substrate and forming the electroconductive layer may be easier.
- the angle (Ca1) of the inner diameter surface connecting the inner diameter of the minimum inner diameter portion and the first opening and the angle (Ca2) of the inner diameter surface connecting the inner diameter of the minimum inner diameter portion and the second opening are in a ratio of 1: 0.7 to 1.3. Can have. In this case, the difference between the angle of the inner diameter surface of the core via starting from the first opening and the inner diameter surface of the core via starting from the second opening may be insignificant, so that the subsequent plating process may proceed more smoothly.
- the angle is evaluated as an angle with an imaginary reference line perpendicular to the first surface or the second surface, and is evaluated as an absolute value regardless of the direction (the same applies hereinafter).
- the larger of the angle Ca1 of the inner diameter surface connecting the inner diameter of the minimum inner diameter portion and the first opening and the angle Ca2 of the inner diameter surface connecting the inner diameter of the minimum inner diameter portion and the second opening may be 8 degrees or less. And, it may be 0.1 to 8 degrees, and may be 0.5 to 6.5 degrees. In the case of having such an angle, the efficiency of subsequent processes such as plating can be further improved.
- the thickness of the electroconductive layer measured at the larger of the first surface opening diameter (CV1) and the second surface opening diameter (CV2) is the thickness of the electroconductive layer formed on the portion (CV3) having the minimum inner diameter of the core via. It can be the same or thick.
- the semiconductor device 100 and the packaging substrate 20 will be described in more detail.
- the semiconductor device 100 includes a semiconductor device portion 30 in which one or more semiconductor devices 32, 34, and 36 are positioned; A packaging substrate 20 electrically connected to the semiconductor device; And a motherboard 10 that is electrically connected to the packaging substrate, transmits an external electrical signal to the semiconductor device, and connects to each other.
- the packaging substrate 20 includes a core layer 22; And an upper layer 26;
- the core layer 22 includes the semiconductor packaging substrate 215 described above.
- the semiconductor device part 30 refers to devices mounted on a semiconductor device, and is mounted on the packaging substrate 20 by connection electrodes or the like.
- the semiconductor device unit 30 includes, for example, an arithmetic device such as a CPU and a GPU (first device: 32, a second device: 34), and a memory device such as a memory chip (third device, 36).
- an arithmetic device such as a CPU and a GPU
- a memory device such as a memory chip
- any semiconductor device mounted on a semiconductor device can be applied without limitation.
- the motherboard 10 may be a motherboard such as a printed circuit board or a printed wiring board.
- the packaging substrate 20 includes a core layer 22; And an upper layer 26 positioned on one surface of the core layer.
- the packaging substrate 20 may further include a lower layer 29 selectively positioned under the core layer.
- the core layer 22 includes a glass substrate 21; A plurality of core vias 23 penetrating the glass substrate in the thickness direction; And a core distribution layer ( 24); includes.
- the glass substrate 21 has a first surface 213 and a second surface 214 facing each other, and the two surfaces are substantially parallel to each other, so that the entire glass substrate has a constant thickness.
- a core via 23 penetrating the first and second surfaces is disposed on the glass substrate 21.
- a silicon substrate and an organic substrate are laminated.
- silicon substrates due to the nature of semiconductors, parasitic elements may occur when applied to high-speed circuits, and power losses are relatively large.
- organic substrates a larger area is required to form a more complex distribution pattern, but this does not correspond to the flow of manufacturing microelectronic devices.
- it is necessary to substantially refine the pattern but there is a practical limit to pattern refinement due to the characteristics of materials such as polymers applied to organic substrates.
- the glass substrate 21 is applied as a support for the core layer 22 as a method of solving these problems.
- the core via 23 formed while penetrating the glass substrate together with the glass substrate the length of the electrical flow is shorter, smaller, faster response, and a packaging substrate 20 having less loss characteristics. to provide.
- the core distribution layer 24 includes a core distribution pattern 241 and a core insulating layer 223.
- the core distribution pattern 241 is an electrically conductive layer electrically connecting the first surface and the second surface of the glass substrate through a through via.
- the core insulating layer 223 surrounds the core distribution pattern 241.
- the core layer 22 has an electrically conductive layer formed therein through a core via to serve as an electrical path across the glass substrate 21, and connects the upper and lower portions of the glass substrate over a relatively short distance to provide faster electrical It can have the characteristics of signal transmission and low loss.
- the core distribution pattern 241 is a pattern that electrically connects the first surface 213 and the second surface 214 of the glass substrate through the core via 23.
- the core distribution pattern 241 includes a first surface distribution pattern 241a, a second surface distribution pattern 241c, and a core via distribution pattern 241b.
- the first surface distribution pattern 241a is an electrically conductive layer positioned on at least a portion of the first surface 213.
- the second surface distribution pattern 241c is an electrically conductive layer positioned on at least a portion of the second surface 214.
- the core via distribution pattern 241b is an electrically conductive layer electrically connecting the first surface distribution pattern and the second surface distribution pattern to each other through the core via 23.
- the electrically conductive layers may be, for example, applied with a copper plating layer, but are not limited thereto.
- the glass substrate 21 serves as an intermediate and/or intermediary for connecting the semiconductor device 30 and the motherboard 10 to the upper and lower portions, respectively.
- the core via 23 serves as a path through which electrical signals are transmitted, and thus smoothly transmits signals.
- the thickness of the electrically conductive layer measured from the larger of the first surface opening diameter and the second surface opening diameter may be equal to or thicker than the thickness of the electrically conductive layer formed on a portion of the core via having a minimum inner diameter.
- the core distribution layer 24 is an electrically conductive layer formed on a glass substrate, and may have a cross cut adhesion test value of 4B or more according to ASTM D3359.
- the core distribution layer 24 may have an adhesion test value of 5 B or more.
- the electroconductive layer, which is the core distribution layer 24 may have an adhesive force of 3 N/cm or more with the glass substrate, and may have a bonding force of 4.5 N/cm or more. When this degree of adhesion is satisfied, it has sufficient adhesion between the substrate and the electroconductive layer to be applied as a packaging substrate.
- An upper layer 26 is positioned on the first surface 213.
- the upper layer 26 includes an upper distribution layer 25 and a top connection layer 27 positioned on the upper distribution layer.
- the uppermost surface of the upper layer 26 may be protected by a cover layer 60 having an opening through which the connection electrode of the semiconductor device may directly contact.
- the upper distribution layer 25 includes an upper insulating layer 253 positioned on the first surface;
- the core distribution layer 24 and at least a portion thereof are electrically conductive layers having a predetermined pattern and include an upper distribution pattern 251 embedded in the upper insulating layer.
- the upper insulating layer 253 may be applied as long as it is applied as an insulator layer to a semiconductor device or a packaging substrate, and for example, an epoxy resin including a filler may be applied, but is not limited thereto.
- the insulator layer may be formed by forming and curing a coating layer, or may be formed by laminating and curing an insulator film filmed in an uncured or semi-cured state on the core layer. In this case, if a pressure-sensitive lamination method or the like is applied, the insulator is inserted into the space inside the core via, so that an efficient process can be performed. In addition, even if a plurality of insulator layers are stacked and applied, it may be difficult to distinguish between the insulator layers, and a plurality of insulator layers are collectively referred to as an upper insulating layer. In addition, the same insulating material may be applied to the core insulating layer 223 and the upper insulating layer 253, and in this case, the boundary may not be substantially separated.
- the upper distribution pattern 251 refers to an electrically conductive layer positioned within the upper insulating layer 253 in a predetermined shape.
- the upper distribution pattern 251 may be formed in a build-up layer method. Specifically, an insulator layer is formed, an unnecessary portion of the insulator layer is removed, an electrical conductive layer is formed by copper plating, etc., and an unnecessary portion of the electrical conductive layer is selectively removed. After forming a layer, removing unnecessary parts again, repeating the method of forming an electroconductive layer by plating, etc., to form the upper distribution pattern 251 in which the battery conductive layer is formed in the vertical or horizontal direction in the intended pattern. I can.
- the upper distribution pattern 251 is located between the core layer 22 and the semiconductor device part 30, the transfer of the electrical signal to the semiconductor device part 30 is smoothly performed, and the intended complex pattern is sufficient.
- the fine pattern is formed to include a fine pattern in at least a part thereof.
- the fine pattern may have a width and an interval of less than about 4 ⁇ m, less than about 3.5 ⁇ m, less than about 3 ⁇ m, less than about 2.5 ⁇ m, and about 1 to about It may be 2.3 ⁇ m.
- the interval may be an interval between fine patterns adjacent to each other (hereinafter, the description of fine patterns is the same).
- the upper distribution pattern 251 to include a fine pattern, at least two or more methods are applied in the embodiment.
- the glass substrate 21 may have a fairly flat surface characteristic with a surface roughness Ra of 10 angstroms or less, and thus the influence of the surface morphology of the support substrate on the formation of a fine pattern can be minimized.
- the other is in the characteristics of the insulator.
- a filler component is often applied together with a resin, and inorganic particles such as silica particles may be applied as the filler.
- inorganic particles such as silica particles
- the size of the inorganic particles may affect whether or not a fine pattern is formed.
- a particulate filler having an average diameter of about 150 nm or less is applied. , Specifically, it includes a particulate filler having an average diameter of about 1 to about 100 nm.
- the top connection layer 27 includes a top connection pattern 272 and a top connection electrode 271.
- the top connection pattern 272 is electrically connected to the upper distribution pattern 251 and at least a portion thereof, and is positioned on the upper insulating layer 253.
- the top connection electrode 271 electrically connects the semiconductor device part 30 and the top connection pattern 272.
- the top connection pattern 272 may be positioned on one surface of the upper insulating layer 253, or at least a portion thereof may be exposed and embedded on the upper insulating layer.
- the upper insulating layer may be formed by plating or the like.
- a copper plating layer, etc. is formed, and then a portion of the insulating layer or the electrically conductive layer is removed by a method such as surface polishing or surface etching. Can be.
- the top connection pattern 272 may include at least a portion thereof. In this way, the top connection pattern 272 including a fine pattern allows a plurality of devices to be electrically connected even under a narrow area, making electrical signal connection between devices more smooth and more integrated packaging possible. Do.
- the top connection electrode 271 may be directly connected to the semiconductor device part 30 through a terminal or the like, or may be connected through a device connection part 51 such as a solder ball.
- the packaging substrate 20 is also connected to the motherboard 10.
- a second surface distribution pattern 241c which is a core distribution layer positioned on at least a portion of the second surface 214 of the core layer 22, may be directly connected to a terminal of the motherboard. In addition, it may be electrically connected through a board connection such as a solder ball.
- the second surface distribution pattern 241c may be connected to the motherboard 10 via a lower layer 29 positioned under the core layer 22.
- the lower layer 29 includes a lower partial double layer 291 and a lower surface connection layer 292.
- the lower insulating layer 291b is an insulating layer in which the second surface 214 and at least a portion thereof contact each other.
- the lower partial distribution pattern 291a is embedded (buried) in the lower insulating layer to have a predetermined pattern, and the core distribution layer and at least a portion thereof are electrically connected.
- the lower surface connection layer 292 may further include a lower surface connection electrode 292a and/or a lower surface connection pattern 292b.
- the lower surface connection electrode 292a is electrically connected to the lower surface connection pattern.
- the lower portion of the belly pattern and at least a portion thereof are electrically connected, and at least a portion thereof is exposed on one surface of the lower insulating layer.
- the lower surface connection pattern 292b may be formed as a non-fine pattern having a width wider than that of the fine pattern. In this case, a more efficient electrical signal can be transmitted to a portion connected to the motherboard 10.
- One of the characteristics of the present invention is that substantially no other substrates other than the glass substrate 21 are applied to the packaging substrate 20 positioned between the semiconductor device unit 30 and the motherboard 10.
- an interposer and an organic substrate were stacked together to apply an interposer and an organic substrate between the device and the motherboard. It is believed that this was applied in a multi-stage form for at least two reasons. One of them is that there is a problem with scale in directly bonding the fine pattern of the device to the motherboard. The other is that a problem of wiring damage due to a difference in thermal expansion coefficient may occur during a bonding process or during a driving process of a semiconductor device.
- a glass substrate having a coefficient of thermal expansion similar to that of a semiconductor device is applied, and a fine pattern having a fine scale sufficient for device mounting is formed on the first surface and the upper layer of the glass substrate, thereby solving this problem.
- the semiconductor device 100 has a packaging substrate 20 having a considerably thin thickness, so that the overall thickness of the semiconductor device can be reduced, and by applying a fine pattern, an intended electrical connection pattern can be arranged even in a narrower area.
- the packaging substrate may have a thickness of about 2000 ⁇ m or less, about 1500 ⁇ m or less, and about 900 ⁇ m.
- the packaging substrate may have a thickness of about 120 ⁇ m or more and about 150 ⁇ m or more.
- the packaging substrate as described above, electrically and structurally stably connects the device and the motherboard even with a relatively thin thickness, and may contribute to a smaller and thinner semiconductor device.
- a method of manufacturing a packaging substrate according to another embodiment will be described.
- the manufacturing method of the packaging substrate of the embodiment includes: a preparation step of forming defects at predetermined positions on a first surface and a second surface of the glass substrate; An etching step of preparing a glass substrate on which a core via is formed by applying an etching solution to the glass substrate on which the defects are formed; A core layer manufacturing step of forming a core layer by plating the surface of the glass substrate on which the core via is formed to form a core distribution layer, which is an electrically conductive layer; In addition, an upper layer manufacturing step of forming an upper distribution layer, which is an electrically conductive layer wrapped in an insulating layer, on one surface of the core layer, to manufacture the packaging substrate described above.
- the shape of the defect is formed in consideration of the shape of the via to be formed. Due to these defects, a core via is formed in the etching step, and compared to a separate operation with a drill to form a via in an organic substrate, it can have superior workability.
- the core layer manufacturing step includes a pretreatment process of forming a pretreated glass substrate by forming an organic-inorganic composite primer layer including nanoparticles having an amine group on the surface of the glass substrate on which the core via is formed; And a plating process of plating a metal layer on the pre-treated glass substrate.
- the core layer manufacturing step includes a pretreatment process of forming a pretreated glass substrate by forming a metal-containing primer layer through sputtering on the surface of the glass substrate on which the core via is formed; And a plating process of plating a metal layer on the pre-treated glass substrate.
- dissimilar metals such as titanium, chromium, and nickel may be sputtered alone or together with copper, and in this case, glass-metal adhesion is improved by an anchor effect in which the surface morphology of the glass and metal particles interact. Then, it can serve as a seed in the plating process.
- An insulating layer forming step may be further included between the core layer manufacturing step and the upper layer manufacturing step.
- the insulating layer forming step may be a step of forming a core insulating layer by placing an insulating film on the core layer and then performing pressure-sensitive lamination.
- the manufacturing method of the packaging substrate will be described in more detail.
- a glass substrate applied to a substrate of an electronic device may be applied.
- an alkali-free glass substrate may be applied, but is not limited thereto.
- products manufactured by manufacturers such as Corning, Short, and AGC can be applied.
- Methods such as mechanical etching and laser irradiation may be applied to the formation of the defects (grooves).
- Etching step core via formation step: The glass substrate 21a on which the defects (grooves, 21b) are formed, forms the core vias 23 through a physical or chemical etching process. During the etching process, the glass substrate forms a via in the defective portion, and at the same time, the surface of the glass substrate 21a may be etched at the same time. In order to prevent the etching of the glass surface, a masking film or the like may be applied, but the defective glass substrate itself can be etched in consideration of the hassle of applying and removing the masking film. The thickness of the glass substrate with the core via may be somewhat thinner than the thickness.
- the chemical etching may be performed by placing a grooved glass substrate in a bath containing hydrofluoric acid and/or nitric acid, and applying an ultrasonic treatment or the like.
- the concentration of hydrofluoric acid may be 0.5 M or more and 1.1 M or more.
- the hydrofluoric acid concentration may be 3 M or less and 2 M or less.
- the nitric acid concentration may be 0.5 M or more and 1 M or more.
- the nitric acid concentration may be 2 M or less.
- the ultrasonic treatment may be performed at a frequency of 40 Hz to 120 Hz, and may be performed at a frequency of 60 Hz to 100 Hz.
- Core layer manufacturing step An electrically conductive layer 21d is formed on a glass substrate.
- the electroconductive layer may be a metal layer including a copper metal, but is not limited thereto.
- the surface of the glass (including the surface of the glass substrate and the surface of the core via) and the surface of the copper metal have different properties, so the adhesion is poor.
- the adhesion between the glass surface and the metal was improved by two methods, a dry method and a wet method.
- the dry method is a method of applying sputtering, that is, a method of forming the seed layer 21c on the glass surface and the inner diameter of the core via by metal sputtering.
- sputtering that is, a method of forming the seed layer 21c on the glass surface and the inner diameter of the core via by metal sputtering.
- dissimilar metals such as titanium, chromium, and nickel may be sputtered together with copper, and in this case, it is believed that glass-metal adhesion is improved by an anchor effect in which the surface morphology of the glass and the metal particles interact. do.
- the wet method is a method of performing a primer treatment, and is a method of forming the primer layer 21c by pretreating with a compound having a functional group such as amine.
- a primer treatment may be performed with a compound or particle having an amine functional group after pretreatment with a silane coupling agent.
- the support substrate of the embodiment needs to be of high performance enough to form a fine pattern, and this must be maintained even after the primer treatment. Therefore, when such a primer contains nanoparticles, nanoparticles having an average diameter of 150 nm or less are preferably applied. For example, nanoparticles are preferably applied to particles having an amine group.
- the primer layer may be formed by applying an adhesion improving agent manufactured by MEC's CZ series, for example.
- the electroconductive layer may selectively form a metal layer with or without removing portions that do not require formation of the electroconductive layer.
- a portion requiring or unnecessary formation of an electroconductive layer may be selectively processed in a state activated or deactivated for metal plating, thereby performing a subsequent process.
- the activation or deactivation treatment may be applied to a light irradiation treatment such as a laser having a certain wavelength, or a chemical treatment.
- the metal layer may be formed using a copper plating method applied to semiconductor device manufacturing, but is not limited thereto.
- the thickness of the formed electrically conductive layer may be controlled by adjusting various variables such as the concentration of the plating solution, the plating time, and the type of additive to be applied.
- a part of the core distribution layer is unnecessary, it may be removed, and after the seed layer is partially removed or deactivated, metal plating is performed to form an electrically conductive layer in a predetermined pattern, and the etching layer 21e of the core distribution layer May be formed
- the core via may undergo an insulating layer forming step in which an empty space is filled with an insulating layer after forming the core distribution layer, which is the electrically conductive layer.
- the applied insulating layer may be manufactured in the form of a film, and may be applied, for example, by a method of laminating the insulating layer in the form of a film under pressure. When the pressure-sensitive lamination is performed in this way, the insulating layer is sufficiently penetrated into the empty space inside the core via, thereby forming a core insulating layer without void formation.
- Upper layer manufacturing step This is a step of forming an upper distribution layer including an upper insulating layer and an upper distribution pattern on the core layer.
- the upper insulating layer may be performed by coating a resin composition forming the insulating layer 23a or stacking an insulating film, and simply stacking an insulating film is preferably applied. Lamination of the insulating film may be performed by laminating and curing the insulating film. In this case, if the pressure-sensitive lamination method is applied, the insulating resin may be sufficiently contained even in a layer in which an electrically conductive layer is not formed in the core via.
- the upper insulating layer is also in direct contact with the glass substrate in at least a portion thereof, and thus, a material having sufficient adhesion is applied. Specifically, it is preferable that the glass substrate and the upper insulating layer have a property that satisfies an adhesion test value of 4B or more according to ASTM D3359.
- the upper distribution pattern may be formed by repeating the process of forming the insulating layer 23a, forming the electrically conductive layer 23c in a predetermined pattern, and etching unnecessary portions to form the etching layer 23d of the electrically conductive layer.
- the blind via 23b may be formed in the insulating layer and then a plating process may be performed.
- the blind via may be formed by a dry etching method such as laser etching or plasma etching, and a wet etching method using a masking layer and an etching solution.
- the top connection pattern and the top connection electrode may be formed in a process similar to that of the formation of the top distribution layer. Specifically, formed by forming an etching layer 23f of an insulating layer on the insulating layer 23e, forming an electrically conductive layer 23g thereon again, and then forming an etching layer 23h of the electrically conductive layer. However, it may be applied as a method of selectively forming only an electrically conductive layer without applying an etching method.
- the cover layer may be formed such that an opening (not shown) is formed at a position corresponding to the top connection electrode to expose the top connection electrode, and can be directly connected to the device connection part or the terminal of the device.
- a lower surface connection layer and a cover layer In a manner similar to the above-described step of forming the upper connection layer and the cover layer, the lower partial rear layer and/or the lower surface connection layer, and optionally a cover layer (not shown) may be formed.
- Step 1 Glass Defect Formation Process: Prepare a glass substrate 21a having a flat first side and a second side, and form a defect (groove, 21b) on the glass surface at a predetermined position for forming a core via. I did. At this time, the number of defects was 225 or 1024 per 1 cm 2 . As the glass, borosilicate glass was applied. Mechanical etching and laser irradiation methods were applied to the formation of the defects (grooves).
- Etching step core via formation step: The glass substrate 21a on which the defects (grooves, 21b) are formed was formed with the core via 23 through a physical or chemical etching process. The etching was performed by placing the glass substrate in an etching bath filled with 2 M hydrofluoric acid (HF), 1.1 M nitric acid (HNO 3 ) and deionized water, and applying ultrasonic waves at 80 Hz and 100% output.
- HF hydrofluoric acid
- HNO 3 1.1 M nitric acid
- the core via may include a first opening in contact with the first surface; A second opening in contact with the second surface;
- the inner diameter is formed to have a minimum inner diameter portion, which is the narrowest area.
- a substrate was manufactured in the same manner as in Example 1, except that the condition was changed to 80% of ultrasonic power.
- Etching was performed in Example 1, except that the glass substrate was placed in an etching bath filled with 1.1 M hydrofluoric acid (HF), 1.1 M nitric acid (HNO 3 ) and deionized water, and etched at 80 Hz and 100% output.
- HF hydrofluoric acid
- HNO 3 1.1 M nitric acid
- a substrate was prepared in the same manner as described above.
- a substrate was manufactured in the same manner as in Example 3, except that the condition was changed to 80% of ultrasonic output during etching.
- the stress was analyzed by applying a birefringence two-dimensional evaluation device.
- a birefringence two-dimensional distribution evaluation apparatus the WPA-200 apparatus of NPM (Nippon Pulse Korea Co., Ltd.) was applied.
- a measurement value such as a birefringence value is input to the device, and the stress in the measurement path is measured in a pressure unit (e.g., MPa) through a predetermined calculation process. ).
- a pressure unit e.g., MPa
- a photoelastic coefficient of 2.4 was applied and a thickness of 300 um was applied.
- Core layer manufacturing step An electrically conductive layer 21d was formed on a glass substrate. A metal layer containing a copper metal was applied as the electroconductive layer. A sputter layer containing titanium was formed and copper plating was performed.
- Insulation layer forming step After forming the core distribution layer, which is the electrically conductive layer, an insulating layer forming step was performed to fill an empty space with an insulating layer. At this time, the applied insulating layer was applied in the form of a film, and applied by a method of vacuum lamination of the film-shaped insulating layer.
- Upper layer manufacturing step A step of forming an upper distribution layer including an upper insulating layer and an upper distribution pattern on the core layer was performed.
- the upper insulating layer was performed by laminating an insulating film, and was performed by laminating and curing the insulating film.
- the upper insulating layer was also in direct contact with the glass substrate in at least a portion thereof, and thus had sufficient adhesion.
- the glass substrate and the upper insulating layer were applied having a property that satisfies an adhesion test value of 4B or more according to ASTM D3359.
- the upper distribution pattern was formed by repeating the process of forming the insulating layer 23a, forming the electrically conductive layer 23c in a predetermined pattern, and etching unnecessary portions to form the etching layer 23d of the electrically conductive layer.
- a blind via 23b is formed in the insulating layer and then a plating process is performed.
- a dry etching method such as laser etching and plasma etching, and a wet etching method using a masking layer and an etching solution were applied to prepare a packaging substrate.
- semiconductor device part 32 first semiconductor device
- packaging substrate 22 core layer
- top connection layer 271 top connection electrode
- connection part 51 element connection part
- insulating layer 23b etching layer of the insulating layer
- electroconductive layer 23d etching layer of electroconductive layer
Abstract
Description
비아라인(가로) | - | 비아라인(세로) | - | |||
(MPa) | Min | Max | - | Min | Max | - |
샘플1 | 0.03175 | 1.8855 | - | 0.10275 | 1.60825 | - |
샘플2 | 0.0315 | 1.062 | - | 0.1975 | 0.782 | - |
샘플3 | 0.04225 | 1.844 | - | 0.05375 | 1.56525 | - |
샘플4 | 0.04275 | 1.97675 | - | 0.14975 | 1.7165 | - |
무지라인(가로) | - | 무지라인(세로) | - | |||
(MPa) | Min | Max | - | Min | Max | - |
샘플1 | 0.169 | 0.89475 | - | 0.2055 | 0.77325 | - |
샘플2 | 0.0845 | 0.90175 | - | 0.263 | 0.71125 | - |
샘플3 | 0.047 | 0.51625 | - | 0.07025 | 0.4895 | - |
샘플4 | 0.0875 | 0.69275 | - | 0.19925 | 0.69875 | - |
(MPa) | Vp(가로) | Vp(세로) | Np(가로) | Np(세로) | P (가로) | P (세로) |
샘플1 | 1.85 | 1.51 | 0.73 | 0.57 | 1.13 | 0.94 |
샘플2 | 1.03 | 0.58 | 0.82 | 0.45 | 0.21 | 0.14 |
샘플3 | 1.80 | 1.51 | 0.47 | 0.42 | 1.33 | 1.09 |
샘플4 | 1.93 | 1.57 | 0.61 | 0.50 | 1.33 | 1.07 |
비아라인(가로) | |||||
MPa | Min | Max | Max-Min | Avg | K |
샘플1 | 0.03175 | 1.88550 | 1.85375 | 0.44575 | 4.15872 |
샘플2 | 0.03150 | 1.06200 | 1.03050 | 0.45625 | 2.25863 |
샘플3 | 0.04225 | 1.84400 | 1.80175 | 0.30200 | 5.96606 |
샘플4 | 0.04275 | 1.97675 | 1.93400 | 0.41325 | 4.67998 |
비아라인(세로) | |||||
MPa | Min | Max | Max-Min | Avg | K |
샘플1 | 0.10275 | 1.60825 | 1.50550 | 0.52800 | 2.85133 |
샘플2 | 0.19750 | 0.78200 | 0.58450 | 0.46375 | 1.26038 |
샘플3 | 0.05375 | 1.56525 | 1.51150 | 0.29475 | 5.12807 |
샘플4 | 0.14975 | 1.71650 | 1.56675 | 0.42725 | 3.66706 |
무지라인(가로) | |||||
MPa | Min | Max | Max-Min | Avg | K |
샘플1 | 0.16900 | 0.89475 | 0.72575 | 0.44200 | 1.64197 |
샘플2 | 0.08450 | 0.90175 | 0.81725 | 0.44850 | 1.82219 |
샘플3 | 0.04700 | 0.51625 | 0.46925 | 0.24625 | 1.90558 |
샘플4 | 0.08750 | 0.69275 | 0.60525 | 0.37050 | 1.63360 |
무지라인(세로) | |||||
MPa | Min | Max | Max-Min | Avg | K |
샘플1 | 0.20550 | 0.77325 | 0.56775 | 0.45725 | 1.24166 |
샘플2 | 0.26300 | 0.71125 | 0.44825 | 0.48500 | 0.92423 |
샘플3 | 0.07025 | 0.48950 | 0.41925 | 0.23250 | 1.80323 |
샘플4 | 0.19925 | 0.69875 | 0.49950 | 0.39525 | 1.26376 |
Claims (10)
- 서로 마주보는 제1면과 제2면을 갖는 유리기판; 및상기 유리기판을 두께 방향으로 관통하는 다수의 코어비아;를 포함하고,무지라인은 상기 유리기판의 제1면 상에서 상기 코어비아가 형성되지 않은 곳을 잇는 직선이고,비아라인은 상기 유리기판의 제1면 상에서 상기 코어비아가 형성된 곳을 잇는 직선이고,응력차이값(P)은 아래 식 (1)에 따른 값이고상기 응력차이값(P)이 1.5 MPa 이하인, 반도체용 패키징 유리기판;식 (1): P = Vp - Np식 (1)에서,P는 동일한 유리기판에서 측정한 응력차이값이고,Vp는 비아라인에서 측정한 응력의 최대값과 최소값의 차이이고,Np는 무지라인에서 측정한 응력의 최대값과 최소값의 차이이다.
- 제1항에 있어서,상기 Vp 값은 2.5 MPa 이하인, 반도체용 패키징 유리기판.
- 제1항에 있어서,상기 Np 값은 1.0 MPa 이하인, 반도체용 패키징 유리기판.
- 제1항에 있어서,상기 코어비아는 상기 유리기판의 단위면적(1 cm x 1 cm)을 기준으로 100 개 내지 3000 개가 위치하는, 반도체용 패키징 유리기판.
- 서로 마주보는 제1면과 제2면을 갖는 유리기판; 및상기 유리기판을 두께 방향으로 관통하는 다수의 코어비아;를 포함하고,무지라인은 상기 유리기판의 제1면 상에서 상기 코어비아가 형성되지 않은 곳을 잇는 직선이고,비아라인은 상기 유리기판의 제1면 상에서 상기 코어비아가 형성된 곳을 잇는 직선이고,대상라인은 무지라인 또는 비아라인이고,응력차이비율(K)은 아래 식 (2)에 따른 값이고상기 응력차이비율(K)이 6 이하인, 반도체용 패키징 유리기판;식 (2): K = Lp / La식 (2)에서,상기 K는 동일한 유리기판의 동일한 면에서 측정한 응력차이비율이고,상기 Lp는 대상라인에 대해 측정한 응력의 최대값과 최소값의 차이이고,상기 La는 상기 대상라인에서 측정한 응력의 평균값이다.
- 제5항에 있어서,상기 대상라인은 무지라인이고,상기 응력차이비율(K)는 2 이하인, 반도체용 패키징 유리기판.
- 제5항에 있어서,상기 대상라인은 비아라인이고,상기 응력차이비율(K)는 6 이하인, 반도체용 패키징 유리기판.
- 제5항에 있어서,상기 코어비아는 상기 유리기판의 단위면적(1 cm x 1 cm)을 기준으로 100 개 내지 3000 개가 위치하는, 반도체용 패키징 유리기판.
- 제1항 또는 제5항에 따른 반도체 캐피징용 유리기판을 포함하고,상기 코어비아의 표면 상에 위치하는 코어층을 더 포함하고,상기 코어층은 전기전도성층 형성의 시드가 되는 코어시드층 또는 전기전도성층인 코어분배층을 포함하는, 반도체 패키징 기판.
- 1 이상의 반도체소자를 포함하는 반도체소자부;상기 반도체소자부와 전기적으로 연결되는 패키징 기판; 및상기 패키징 기판과 전기적으로 연결되며 상기 반도체소자와 외부의 전기적 신호를 전달하고 서로 연결하는 마더보드;를 포함하고, 상기 패키징 기판은 제9항에 따른 패키징 기판인, 반도체 장치.
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KR1020217015658A KR102314986B1 (ko) | 2019-03-29 | 2020-03-27 | 반도체용 패키징 유리기판, 반도체용 패키징 기판 및 반도체 장치 |
KR1020217033082A KR102515304B1 (ko) | 2019-03-29 | 2020-03-27 | 반도체용 패키징 유리기판, 반도체용 패키징 기판 및 반도체 장치 |
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CN113383413B (zh) | 2022-04-08 |
KR102314986B1 (ko) | 2021-10-19 |
US20210398891A1 (en) | 2021-12-23 |
KR20210071074A (ko) | 2021-06-15 |
JP2022123003A (ja) | 2022-08-23 |
JP7087205B2 (ja) | 2022-06-20 |
EP3910667A4 (en) | 2022-10-26 |
KR102515304B1 (ko) | 2023-03-29 |
US11437308B2 (en) | 2022-09-06 |
EP3910667A1 (en) | 2021-11-17 |
CN114678344A (zh) | 2022-06-28 |
CN113383413A (zh) | 2021-09-10 |
KR20210130241A (ko) | 2021-10-29 |
JP2022517062A (ja) | 2022-03-04 |
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