US3855034A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for bonding in miniaturized electrical circuits
Assignee: CHARLES FREDRICK MILLER TRUST
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Filing: 1973-12-10
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Granted: 1974-12-17
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Expires: 1993-12-10
Abstract
Abstract An improved method and apparatus for using adhesives to bond one element to another in miniature electronic circuitry is provided by rotating a tool head to bring first an adhesive dispensing opening into line with the work place and then a suction opening into that line. The head is moved to move the openings in that line toward and away from the work place. A dot of adhesive is deposited while the adhesive dispensing opening is adjacent the work place and the element to be added is released to the adhesive by releasing suction while the suction opening is adjacent the dot of adhesive. Rotational movement of the heads avoids the position errors that characterize earlier apparatus. While rotation of the tool head on an axis substantially parallel to the line of movement is within the invention, rotation on an axis more nearly perpendicular than parallel to that line is preferred.
Inventors
- 👤 C Miller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 17:44
CPC Classifications
H; H10; H10P; H10P72/00; H10P72/04; H10P72/0448; H10W; H10W72/00; H10W72/071; H10W72/0711; H10W72/07168; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1089; Y10T156/17; Y10T156/1702; Y10T156/1744; Y10T156/1798; Y10T29/00; Y10T29/53; Y10T29/5313; Y10T29/53174
Claims Analysis
Total Claims: 14
Claim 1
Independent Claim
176 words
The method of bonding one element to another element using a tool holder apparatus which includes a suction pick-up opening and an adhesive dispensing opening, said openings being separated by a distance and opening in like direction, the holder apparatus being rotatable to place both of said openings, one at a time, in a line extending in said direction and to move the opening so placed in the direction of said line, which method comprises the steps of: rotating said apparatus to place the adhesive dispensing opening in said line and moving said apparatus to move said adhesive dispensing opening along said line; causing a quantity of adhesive to be dispensed from said adhesive dispensing opening; and while applying suction at said suction pick-up opening, rotating said apparatus to place said suction pick-up opening in said line and moving said apparatus such that said suction pick-up opening is moved in the direction of that line toward the point at which said quantity of adhesive was dispensed; and ending application of suction to said suction pick-up opening.
Claim 2
Independent Claim
176 words
The method of bonding one element to another element using a tool holder apparatus which includes a suction pick-up opening and an adhesive dispensing opening, said openings being separated by a distance and opening in like direction, the holder apparatus being rotatable to place both of said openings, one at a time, in a line extending in said direction and to move the opening so placed in the direction of said line, which method comprises the steps of: rotating said apparatus to place the adhesive dispensing opening in said line and moving said apparatus to move said adhesive dispensing opening along said line; causing a quantity of adhesive to be dispensed from said adhesive dispensing opening; and while applying suction at said suction pick-up opening, rotating said apparatus to place said suction pick-up opening in said line and moving said apparatus such that said suction pick-up opening is moved in the direction of that line toward the point at which said quantity of adhesive was dispensed; and ending application of suction to said suction pick-up opening.
Claim 3
Independent Claim
142 words
The method of bonding electronic elements to a mounting element using a tool holder apparatus which includes a suction pick-up tube and an adhesive dispensing tube, the end openings of which tubes lie in a common plane and on different radial lines which intersect at an axial line extending substantially perpendicular to said common plane, which method comprises the steps of: rotating said apparatus about said axial line to place said end opening of the adhesive dispensing tube in a verticle plane which lies parallel to said axial line; causing a quantity of adhesive to be dispensed from said end opening of the adhesive dispensing tube; while applying suction to said suction tube, rotating said apparatus about said axial line to place said end opening of the suction tube in said verticle plane; and ending application of suction to said suction tube.
Claim 4
Independent Claim
142 words
The method of bonding electronic elements to a mounting element using a tool holder apparatus which includes a suction pick-up tube and an adhesive dispensing tube, the end openings of which tubes lie in a common plane and on different radial lines which intersect at an axial line extending substantially perpendicular to said common plane, which method comprises the steps of: rotating said apparatus about said axial line to place said end opening of the adhesive dispensing tube in a verticle plane which lies parallel to said axial line; causing a quantity of adhesive to be dispensed from said end opening of the adhesive dispensing tube; while applying suction to said suction tube, rotating said apparatus about said axial line to place said end opening of the suction tube in said verticle plane; and ending application of suction to said suction tube.
Claim 5
Dependent Claim
88 words
The method set forth in Claim 2 which comprises the further steps: placing a mounting element at a point lying in said common plane and in said vertical plane; and raising said tool holder apparatus to elevate the ends of said tubes above said mounting element before rotating said tool holder apparatus and lowering said apparatus to place said ends of the tubes at a point adjacent to said mounting element when causing said adhesive to be dispensed and when ending application of suction to said suction tube.
Claim 6
Dependent Claim
37 words
The invention defined in claim 3 which comprises the further step of: picking up an electronic element by placing said opening of said suction tube over said electronic element and applying the suction to said suction tube.
Claim 7
Dependent Claim
102 words
In an apparatus for bonding electronic elements to a mounting element; means for holding a mounting element such that a portion thereof is positioned at a work place; a tool holder rotatable about an axis; an adhesive dispensing tube and a suction tube, both extending from said holder and each ending in an opening lying in a plane which is substantially perpendicular to said axIs, said openings lying on different radial lines which intersect on said axis; and means for rotating and raising and lowering said tool holder selectively to place said openings of said tubes in proximity to said work place.
Claim 8
Dependent Claim
102 words
In an apparatus for bonding electronic elements to a mounting element; means for holding a mounting element such that a portion thereof is positioned at a work place; a tool holder rotatable about an axis; an adhesive dispensing tube and a suction tube, both extending from said holder and each ending in an opening lying in a plane which is substantially perpendicular to said axIs, said openings lying on different radial lines which intersect on said axis; and means for rotating and raising and lowering said tool holder selectively to place said openings of said tubes in proximity to said work place.
Claim 9
Dependent Claim
64 words
The invention defined in claim 5 which further comprises means for forcing a quantity of adhesive from said adhesive dispensing tube when said end thereof is positioned in close proximity to said work place; and means for applying suction to said suction tube, and for releasing said suction when said end of said suction tube is positioned in close proximity to said work place.
Claim 10
Dependent Claim
56 words
The invention defined in claim 5 in which said tool holder comprises: a head formed with two bores of which axes intersect at a point; an arm; and means for rotating said arm; means for rotating said arm such that first one, and then other of said bores has its axis lying in a verticle plane.
Claim 11
Dependent Claim
55 words
The invention defined in claim 5 which further comprises a frame member and a tool holder carrier pivotally mounted on the frame member such that upon being pivoted relative to the frame member, said tool holder, and said tubes, are moved in the direction toward and away from said means for holding a mounting element.
Claim 12
Dependent Claim
53 words
The invention defined in claim 8 which further comprises limiting means for limiting the degree of movement of said adhesive dispensing tube toward said work place; and means responsive to movement of said adhesive dispensing tube to the limit of movement toward said work place for applying pressure to said adhesive dispensing tube.
Claim 13
Dependent Claim
108 words
In an apparatus for bonding a first element to a second element at a work place: a tool holder; means in the form of an opening movable with said holder for lifting and depositing the first element; means in the form of an opening movable with said holder for dispensing a dot of adhesive; means for rotating said holder about an axis to place both of said openings, one at a time, in a line extending through said work place; and means for moving said holder relatively to said work place to move the opening in said line, along the line toward and away from said work place.
Claim 14
Dependent Claim
108 words
In an apparatus for bonding a first element to a second element at a work place: a tool holder; means in the form of an opening movable with said holder for lifting and depositing the first element; means in the form of an opening movable with said holder for dispensing a dot of adhesive; means for rotating said holder about an axis to place both of said openings, one at a time, in a line extending through said work place; and means for moving said holder relatively to said work place to move the opening in said line, along the line toward and away from said work place.
References Cited (Backward Citations)
US3715258A
Cited
US3785903A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-12-16 | 1978-06-17 | 1978-12-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-12-16 | 1982-06-17 | 1982-12-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-12-16 | 1986-06-17 | 1986-12-17 | $7700.00 | Window Closed / Lapsed |