Smart Card Carrier Aperture Flush-Mount Retention
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Solution Overview
Problem
Existing smart card packaging methods for ID-000 format cards within ID-1 format cards are inconvenient due to the protrusion of ID-000 cards, which complicates manufacturing and distribution, as they are inserted into recesses that cause the cards to exceed standard credit card dimensions.
Innovation Solution
A carrier with an aperture that is slightly larger than the payload, allowing for flush-mounting and reversible retention of the card, using mechanisms such as breakable extensions, adhesive labels, and connectors to maintain the card within the carrier without protrusion.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If ID-000 format smart card is inserted into a recess in ID-1 format card, then the card is retained within the carrier, but the card protrudes from the carrier and exceeds standard credit card dimensions
Solution Approach 1:
The ID-000 format smart card is nested within an ID-1 format carrier card, with the smaller card being fully contained within the larger card's boundaries. The carrier card acts as a container that fully encloses the SIM card, preventing any protrusion while maintaining secure retention through adhesive bonding and mechanical constraints.
2Reliability
If ID-000 format smart card is inserted into a recess in ID-1 format card, then the card is retained within the carrier, but manufacturing and distribution become complicated
Solution Approach 1:
The carrier card is pre-manufactured with adhesive layers and structural features integrated into its design before the SIM card insertion process. This preliminary preparation of the carrier card allows for simplified assembly operations and standardizes the manufacturing process, making it easier to produce and distribute the packaged smart cards.
3Reliability
If adhesive mechanism is used to retain card in carrier, then card is securely held, but card cannot be easily extracted for user use
Solution Approach 1:
The retention mechanism is divided into two functional segments: a permanent adhesive component that provides secure long-term retention, and a breakable mechanical component (such as a tab or latch) that allows for easy user extraction. This segmentation enables the system to simultaneously achieve strong retention during storage and simple removal during use.
4Reliability
If mechanical pressure is used to fix card in dent, then card is retained securely, but card protrudes from carrier dimensions
Solution Approach 1:
The carrier card incorporates localized structural features such as recesses or indentations at specific positions where the SIM card will be placed. These local modifications provide targeted mechanical retention and pressure application points that secure the card without requiring the entire card to protrude, maintaining the overall credit card dimensions while achieving secure local retention.
Data Source
AI summary
A device includes a carrier having a form factor of a smart card and a mechanism for reversibly retaining a card within an aperture of the carrier. The card is configured according to a standard, such as an ID-000 format, with an electronic circuitry. The mechanism can be by means of cuts, adhesive label, breakable extensions, solidifying adhesive material, connectors, etc.