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US 12,614,047 B2Granted
Removable memory card with efficient card lock mechanism, XY ratios, anti-reverse insertion feature, pullout feature, and pads layout
AssigneeSanDisk Technologies LLC
InventorsYoseph Pinto, Jegathese Dhanachandra Prakash, Nandha Kumar Mohanraj, Satish Kammar
Life of this patent
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Abstract
A memory card is provided with various pad layouts to prevent a data signal pad from contacting a power contact in a host during insertion and removal of the memory card. The memory card can have a form factor and features that accommodate a relatively-large memory with relatively-high performance and accompanying thermal conditions. An efficient card lock mechanism is also provided.
Claims20
A memory card comprising:
- a top surface, wherein the upper-right corner of a front of the top surface comprises a diagonal-cut corner;
- a first side surface comprising a locking mechanism notch and a first card removal notch;
- a second side surface comprising a second removal notch;
- and
- a bottom surface opposite the top surface, wherein the bottom surface comprises a plurality of pads;
- wherein:
- a first row of pads located toward a front of the memory card comprises a plurality of pads, none of which are power pads;
- a last row of pads located toward a rear of the memory card comprises at least one power pad;
- the at least one power pad is positioned on the memory card such that there are no other non-power pads between the at least one power pad and the front of the memory card;
- and
- a width of the memory card is larger than a length of the memory card, wherein the width of the memory card corresponds to a back edge of the memory card in a direction of insertion into a host.
8 more elements
A memory card comprising:
- a top surface, wherein the upper-right corner of a front of the top surface comprises a diagonal-cut corner;
- a first side surface comprising a locking mechanism notch and a first card removal notch;
- a second side surface comprising a second removal notch;
- and
- a bottom surface opposite the top surface, wherein the bottom surface comprises a plurality of pads;
- wherein:
- a first row of pads located toward a front of the memory card comprises a plurality of pads, none of which are power pads;
- a last row of pads located toward a rear of the memory card comprises at least one power pad;
- the at least one power pad is positioned on the memory card such that there are no other non-power pads between the at least one power pad and the front of the memory card;
- the at least one power pad comprises one or more power pads located at a first end of the last row and one or more power pads located at a second end of the last row;
- and
- a width of the memory card is about 18 mm and a length of the memory card is about 14 mm, wherein the width of the memory card corresponds to a back edge of the memory card in a direction of insertion into a host.
9 more elements
A memory card comprising:
- a top surface, wherein the upper-right corner of a front of the top surface comprises a diagonal-cut corner;
- a first side surface comprising a locking mechanism notch and a first card removal notch;
- a second side surface comprising a second removal notch;
- and
- a bottom surface opposite the top surface, wherein the bottom surface comprises a plurality of pads;
- and
- means for preventing a signal pad of the plurality of pads from contacting a power pad of a host during insertion and removal of the memory card;
- wherein a width of the memory card is about 18 mm and a length of the memory card is about 16 mm, wherein the width of the memory card corresponds to a back edge of the memory card in a direction of insertion into a host.
5 more elements
Dependencies are inferred from the claim text.